Hex Nuts
At Kimball Midwest, we understand the critical role hex nuts play in ensuring the integrity and reliability of your connections. That's why we offer an extensive selection featuring various sizes, materials and grades to suit every application.
Grade 8 Hex Nuts - Coarse Thread (USS)
For demanding applications, these coarse‑thread Grade 8 nuts meet SAE and IFI specs. RoHS‑compliant zinc yellow plating offers corrosion protection, while heat treatment and full traceability ensure reliability. Perfect for high‑stress MRO or construction projects when paired with matching Grade 8 cap screws.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 100 |
343804
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 500 |
3438042
|
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|
Package Weight: 3.5 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 100 |
343805
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 500 |
3438052
|
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|
Package Weight: 5.5 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 100 |
343806
|
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|
Package Weight: 1.5 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 200 |
3438062
|
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|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-14 | Coarse | 50 |
343807
|
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|
Package Weight: 1.4 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-14 | Coarse | 100 |
3438071
|
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|
Package Weight: 2.8 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 50 |
343808
|
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|
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|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 100 |
3438082
|
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|
Package Weight: 3.8 lbs
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-12 | Coarse | 50 |
343809
|
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|
Package Weight: 2.9 lbs
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-12 | Coarse | 100 |
3438091
|
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|
Package Weight: 5.8 lbs
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Grade 8 (USS) Hex Nuts - Plain Finish
Made of high‑strength alloy steel, these Grade 8 plain‑finish nuts deliver maximum holding power when paired with Grade 8 cap screws. Double chamfers and finished faces improve wrenching, while the plain finish suits conditions that don’t demand extra corrosion resistance. Ideal for heavy machinery or automotive tasks.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 100 |
349804
|
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|
Package Weight: 0.8 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 100 |
349805
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 100 |
349806
|
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|
Package Weight: 1.6 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-14 | Coarse | 50 |
349807
|
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|
Package Weight: 1.5 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 50 |
349808
|
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|
Package Weight: 1.8 lbs
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-12 | Coarse | 50 |
349809
|
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|
Package Weight: 2.9 lbs
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-11 | Coarse | 50 |
349810
|
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|
Package Weight: 3.8 lbs
|
|||||||
| 3/4" | 41/64" | 1-1/8" | 3/4"-10 | Coarse | 25 |
349812
|
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|
Package Weight: 2.8 lbs
|
|||||||
| 7/8" | 3/4" | 1-5/16" | 7/8"-9 | Coarse | 10 |
349814
|
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|
Package Weight: 1.9 lbs
|
|||||||
| 1" | 55/64" | 1-1/2" | 1"-8 | Coarse | 10 |
349816
|
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|
Package Weight: 2.7 lbs
|
|||||||
| 1-1/8" | 31/32" | 1-11/16" | 1-1/8"-7 | Coarse | 5 |
343818
|
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|
Package Weight: 2 lbs
|
|||||||
| 1-1/8" | 31/32" | 1-11/16" | 1-1/8"-7 | Coarse | 10 |
3438181
|
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Package Weight: 4 lbs
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Grade 8 Armor Coat™ Hex Nuts - Coarse Thread (USS)
Boasting Armor Coat™ for 1,000+ hours of salt spray protection, these Grade 8 nuts excel in highly corrosive or moist conditions. Tested to be 10x more corrosion‑resistant than standard finishes, they feature a 175,000 PSI proof load. Pair with Armor Coat™ Grade 8 bolts for heavy‑duty performance in marine or off‑road MRO.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 100 |
344104
|
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|
Package Weight: 0.8 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 100 |
344105
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 100 |
344106
|
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|
Package Weight: 1.5 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-14 | Coarse | 50 |
344107
|
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|
Package Weight: 1.4 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 50 |
344108
|
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|
Package Weight: 1.9 lbs
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-11 | Coarse | 25 |
344110
|
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|
Package Weight: 1.7 lbs
|
|||||||
| 3/4" | 41/64" | 1-1/8" | 3/4"-10 | Coarse | 10 |
344112
|
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|
Package Weight: 1.2 lbs
|
|||||||
| 7/8" | 3/4" | 1-5/16" | 7/8"-9 | Coarse | 10 |
344114
|
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|
Package Weight: 1.8 lbs
|
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Grade 8 Tall Hex Nuts - Coarse Thread (USS)
Standing 25% taller than standard Grade 8 nuts, these “tall” nuts provide extra thread engagement and grip. Zinc yellow plating fights corrosion, while the waxed finish eases torque. They’re ideal for high‑stress automotive or industrial applications where added height prevents wrench slippage and thread stripping.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 9/32" | 7/16" | 1/4"-20 | Coarse | 100 |
344004
|
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|
Package Weight: 0.9 lbs
|
|||||||
| 5/16" | 21/64" | 1/2" | 5/16"-18 | Coarse | 100 |
344005
|
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|
Package Weight: 1.3 lbs
|
|||||||
| 3/8" | 13/32" | 9/16" | 3/8"-16 | Coarse | 100 |
344006
|
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|
Package Weight: 2 lbs
|
|||||||
| 7/16" | 15/32" | 11/16" | 7/16"-14 | Coarse | 50 |
344007
|
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|
Package Weight: 1.7 lbs
|
|||||||
| 1/2" | 35/64" | 3/4" | 1/2"-13 | Coarse | 50 |
344008
|
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|
Package Weight: 2.4 lbs
|
|||||||
| 5/8" | 23/32" | 15/16" | 5/8"-11 | Coarse | 25 |
344010
|
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|
Package Weight: 2.4 lbs
|
|||||||
Grade 8 Torque-Tension Hex Nuts - Coarse Thread (USS)
Engineered to optimize torque‑to‑tension ratios, these Grade 8 nuts provide consistent clamp loads in critical assemblies. Heat‑treated alloy steel ensures high strength, and the plain finish suits typical machinery builds. Pair them with Grade 8 cap screws in heavy equipment or engine applications needing reliable tension control.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 100 |
345804
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 100 |
345805
|
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| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 100 |
345806
|
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|
Package Weight: 1.5 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-14 | Coarse | 50 |
345807
|
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|
Package Weight: 1.4 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 50 |
345808
|
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|
Package Weight: 1.8 lbs
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-12 | Coarse | 50 |
345809
|
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|
Package Weight: 2.8 lbs
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-11 | Coarse | 50 |
345810
|
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|
Package Weight: 3.6 lbs
|
|||||||
| 7/8" | 3/4" | 1-5/16" | 7/8"-9 | Coarse | 10 |
345814
|
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|
Package Weight: 1.9 lbs
|
|||||||
Grade 8 Hex Nuts - Fine Thread (SAE)
Zinc yellow plated and heat‑treated, these SAE fine‑thread nuts meet Grade 8 specs for ultimate holding power. The shortened thread pitch suits precision assemblies like engine components or structural frames. Pair with matching Grade 8 cap screws for a secure clamp in demanding automotive or industrial tasks.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-28 | Fine | 100 |
343904
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-24 | Fine | 100 |
343905
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-24 | Fine | 100 |
343906
|
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|
Package Weight: 1.5 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-20 | Fine | 50 |
343907
|
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|
Package Weight: 1.4 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-20 | Fine | 50 |
343908
|
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|
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-18 | Fine | 50 |
343909
|
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|
Package Weight: 2.8 lbs
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-18 | Fine | 50 |
343910
|
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|
|
|||||||
| 3/4" | 41/64" | 1-1/8" | 3/4"-16 | Fine | 25 |
343912
|
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|
|
|||||||
| 7/8" | 3/4" | 1-5/16" | 7/8"-14 | Fine | 10 |
343914
|
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|
|
|||||||
| 1" | 55/64" | 1-1/2" | 1"-14 | Fine | 10 |
343916
|
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|
|
|||||||
Grade 8 Plain Hex Nuts - Fine Thread (SAE)
Designed for fine‑thread Grade 8 assemblies, these plain‑finish nuts provide excellent clamp force with minimal slippage. Heat‑treated alloy steel ensures durability, while double chamfers help with wrench engagement. Use them in automotive or machinery builds where high strength matters more than extra corrosion coating.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1-1/8" | 31/32" | 1-11/16" | 1-1/8"-12 | Fine | 5 |
343918
|
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|
Package Weight: 2 lbs
|
|||||||
| 1-1/4" | 1-1/16" | 1-7/8" | 1-1/4"-7 | Fine | 5 |
343920
|
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|
Package Weight: 2.6 lbs
|
|||||||
| 1-1/2" | 1-9/32" | 2-1/4" | 1-1/2"-12 | Fine | 1 |
343924
|
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|
|
|||||||
Grade 8 (SAE) Hex Nuts - Plain Finish
For high‑stress fastening, these Grade 8 SAE nuts deliver maximum clamp when used with matching Grade 8 bolts. A plain finish is ideal where extra plating isn’t needed. The high‑strength steel offers excellent load distribution in automotive or industrial machinery requiring robust torque capacity.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 3/8" | 21/64" | 9/16" | 3/8"-24 | Fine | 100 |
349906
|
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|
Package Weight: 1.5 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-20 | Fine | 50 |
349907
|
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|
Package Weight: 1.4 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-20 | Fine | 50 |
349908
|
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|
Package Weight: 1.8 lbs
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-18 | Fine | 50 |
349909
|
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|
Package Weight: 2.9 lbs
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-18 | Fine | 50 |
349910
|
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|
Package Weight: 3.9 lbs
|
|||||||
Grade 8 (SAE) Hi Hex Nuts - Plain Heat Treated Finish
Tall profile and heat‑treated to Grade 8 specs, these SAE hi‑hex nuts allow extra wrench contact for higher torque. The temper finish and robust construction make them ideal in heavier automotive or industrial builds. Pair with Grade 8 bolts where more driving surface ensures consistent clamp load.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 7/16" | 39/64" | 5/8" | 7/16"-20 | Fine | 25 |
347707
|
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|
Package Weight: 0.9 lbs
|
|||||||
| 1/2" | 11/16" | 3/4" | 1/2"-20 | Fine | 25 |
347708
|
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|
Package Weight: 1.5 lbs
|
|||||||
| 9/16" | 49/64" | 7/8" | 9/16"-18 | Fine | 25 |
347709
|
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|
Package Weight: 2.4 lbs
|
|||||||
| 5/8" | 27/32" | 15/16" | 5/8"-18 | Fine | 25 |
347710
|
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|
Package Weight: 2.7 lbs
|
|||||||
| 3/4" | 1" | 1-1/16" | 3/4"-16 | Fine | 25 |
347712
|
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|
Package Weight: 3.8 lbs
|
|||||||
| 3/4" | 1" | 1-1/8" | 3/4"-16 | Fine | 25 |
347713
|
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|
Package Weight: 4.6 lbs
|
|||||||
| 7/8" | 1-5/32" | 1-1/4" | 7/8"-14 | Fine | 10 |
347714
|
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|
Package Weight: 2.5 lbs
|
|||||||
| 1" | 1-5/16" | 1-7/16" | 1"-14 | Fine | 10 |
347716
|
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|
Package Weight: 3.7 lbs
|
|||||||
Grade 8 Torque-Tension Hex Nuts - Fine Thread (SAE)
With a design that optimizes torque‑to‑tension consistency, these Grade 8 SAE nuts reduce clamp variability. Perfect for critical engine, machinery, or structural connections. A plain finish suits typical indoor applications, while the specialized geometry ensures lower installation torque. Pair with Grade 8 screws for reliability.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-28 | Fine | 100 |
345904
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-24 | Fine | 100 |
345905
|
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| 3/8" | 21/64" | 9/16" | 3/8"-24 | Fine | 100 |
345906
|
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|
Package Weight: 1.5 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-20 | Fine | 50 |
345907
|
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|
Package Weight: 1.4 lbs
|
|||||||
| 1/2" | 31/64" | 7/8" | 1/2"-20 | Fine | 50 |
345908
|
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|
Package Weight: 1.8 lbs
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-18 | Fine | 50 |
345909
|
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|
Package Weight: 2.8 lbs
|
|||||||
| 7/8" | 3/4" | 1-5/16" | 7/8"-14 | Fine | 10 |
345914
|
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|
Package Weight: 1.8 lbs
|
|||||||
Grade 5 Hex Nuts - Coarse Thread (USS)
Meeting Grade 5 specs, these coarse‑thread nuts feature zinc plating for moderate rust resistance. Double chamfers make installation faster, while the robust steel handles mid‑level torque needs. Great for automotive, agricultural, or general maintenance tasks when used with matching Grade 5 bolts.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 100 |
345004
|
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|
Package Weight: 0.8 lbs
|
|||||||
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 200 |
3450042
|
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|
Package Weight: 1.6 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 100 |
345005
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 200 |
3450052
|
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|
Package Weight: 2.2 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 100 |
345006
|
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|
Package Weight: 1.6 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 200 |
3450062
|
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|
Package Weight: 3.2 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-14 | Coarse | 50 |
345007
|
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|
Package Weight: 1.4 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-14 | Coarse | 100 |
3450071
|
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|
Package Weight: 2.8 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 50 |
345008
|
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|
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 100 |
3450082
|
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|
Package Weight: 3.8 lbs
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-12 | Coarse | 50 |
345009
|
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|
Package Weight: 2.9 lbs
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-12 | Coarse | 100 |
3450091
|
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|
Package Weight: 5.8 lbs
|
|||||||
Grade 5 (USS) Hex Nuts - Plain Finish
For moderate‑strength fastening, these plain‑finish Grade 5 nuts suit general automotive and machinery repairs where plating isn’t required. Heat‑treated for reliability, they pair seamlessly with Grade 5 bolts. Double chamfers aid wrenching, and the plain finish helps keep costs down for everyday MRO projects.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 100 |
349504
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 100 |
349505
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 100 |
349506
|
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|
Package Weight: 1.6 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-14 | Coarse | 100 |
349507
|
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|
Package Weight: 2.8 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 100 |
349508
|
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|
Package Weight: 3.8 lbs
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-18 | Coarse | 50 |
349509
|
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|
Package Weight: 2.7 lbs
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-11 | Coarse | 50 |
349510
|
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|
Package Weight: 3.7 lbs
|
|||||||
| 3/4" | 41/64" | 1-1/8" | 3/4"-10 | Coarse | 25 |
349512
|
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|
Package Weight: 3 lbs
|
|||||||
| 7/8" | 3/4" | 1-5/16" | 7/8"-9 | Coarse | 25 |
349514
|
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|
Package Weight: 4.8 lbs
|
|||||||
| 1" | 55/64" | 1-1/2" | 1"-8 | Coarse | 25 |
349516
|
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|
Package Weight: 7.1 lbs
|
|||||||
Grade 5 Hex Nuts - Fine Thread (SAE)
These fine‑thread Grade 5 nuts meet IFI and SAE specs for moderate‑strength assemblies. Their zinc plating protects against corrosion, while chamfered faces simplify wrenching. For best results, pair with Grade 5 bolts in general automotive or MRO tasks needing reliable clamp and easy alignment.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-28 | Fine | 100 |
345104
|
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|
Package Weight: 0.8 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-24 | Fine | 100 |
345105
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-24 | Fine | 100 |
345106
|
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|
Package Weight: 1.5 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-20 | Fine | 50 |
345107
|
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|
Package Weight: 1.4 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-20 | Fine | 50 |
345108
|
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|
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-18 | Fine | 50 |
345109
|
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|
Package Weight: 2.8 lbs
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-18 | Fine | 25 |
345110
|
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|
|
|||||||
| 3/4" | 41/64" | 1-1/8" | 3/4"-16 | Fine | 25 |
345112
|
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|
|
|||||||
| 7/8" | 3/4" | 1-5/16" | 7/8"-14 | Fine | 10 |
345114
|
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|
|
|||||||
| 1" | 55/64" | 1-1/2" | 1"-14 | Fine | 10 |
345116
|
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|
|
|||||||
| 1-1/8" | 31/32" | 1-11/16" | 1-1/8"-12 | Fine | 5 |
345118
|
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|
Package Weight: 1.9 lbs
|
|||||||
| 1-1/4" | 1-1/16" | 1-7/8" | 1-1/4"-12 | Fine | 5 |
345120
|
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|
Package Weight: 2.6 lbs
|
|||||||
Grade 5 (SAE) Plain Hi Hex Nuts
Ideal for higher torque, these Grade 5 SAE hi‑hex nuts feature heat‑treated steel and a temper finish. The taller hex design allows easier wrenching on automotive or industrial assemblies. Pair with Grade 5 fasteners where additional surface contact ensures secure clamp load in moderate‑stress environments.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 3/8" | 17/32" | 9/16" | 3/8"-24 | Fine | 25 |
347706
|
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|
Package Weight: 0.6 lbs
|
|||||||
Grade 2 Hex Nuts - Coarse Thread (USS)
Made for light‑to‑moderate loads, these Grade 2 coarse‑thread nuts conform to IFI and ASME specs. Zinc plating provides mild rust resistance, and double chamfering up to 5/8" eases wrench usage. Pair with Grade 2 bolts for general applications like equipment repair or common structural tasks.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 100 |
343504
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 100 |
343505
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 100 |
343506
|
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|
Package Weight: 1.5 lbs
|
|||||||
| 7/16" | 3/8" | 5/8" | 7/16"-14 | Coarse | 50 |
34350758
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-14 | Coarse | 50 |
343507
|
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|
Package Weight: 1.4 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 50 |
343508
|
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|
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-12 | Coarse | 50 |
343509
|
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|
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-11 | Coarse | 50 |
343510
|
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|
|
|||||||
| 3/4" | 41/64" | 1-1/8" | 3/4"-10 | Coarse | 25 |
343512
|
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|
|
|||||||
| 7/8" | 3/4" | 1-5/16" | 7/8"-9 | Coarse | 10 |
343514
|
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|
|
|||||||
| 1" | 55/64" | 1-1/2" | 1"-8 | Coarse | 10 |
343516
|
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|
|
|||||||
Grade 2 Galvanized Finished Hex Nuts - Coarse Thread (USS)
Hot‑dip galvanized for rust resistance, these Grade 2 coarse‑thread nuts meet A563A specs for outdoors or damp conditions. Double chamfers and finished faces ensure uniform load distribution. Combine with galvanized Grade 2 bolts for building frames, fences, or agricultural machinery needing reliable, corrosion‑resistant fastening.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 100 |
3417004
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 100 |
3417005
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 100 |
3417006
|
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|
Package Weight: 1.5 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 50 |
3417008
|
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|
Package Weight: 1.8 lbs
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-11 | Coarse | 25 |
3417010
|
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|
Package Weight: 1.8 lbs
|
|||||||
| 3/4" | 41/64" | 1-1/8" | 3/4"-10 | Coarse | 25 |
3417012
|
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|
Package Weight: 2.7 lbs
|
|||||||
Grade 2 Black Oil Dipped Hex Nuts - Coarse Thread (USS)
Offering a black oil dip finish, these Grade 2 nuts resist minor corrosion and allow smooth wrenching. They meet IFI and ASME standards, with double‑chamfer edges for secure seating. Use them in standard MRO tasks where moderate torque and a steady clamp are sufficient, especially with Grade 2 coarse‑thread bolts.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1-1/8" | 31/32" | 1-11/16" | 1-1/8"-7 | Coarse | 5 |
343518
|
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|
Package Weight: 1.9 lbs
|
|||||||
| 1-1/4" | 1-1/16" | 1-7/8" | 1-1/4"-7 | Coarse | 5 |
343520
|
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|
Package Weight: 2.6 lbs
|
|||||||
| 1-1/2" | 1-9/32" | 2-1/4" | 1-1/2"-12 | Coarse | 5 |
343524
|
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|
Package Weight: 4.6 lbs
|
|||||||
| 1-3/4" | 1-1/2" | 2-5/8" | 1-3/4"-5 | Coarse | 1 |
343528
|
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|
Package Weight: 1.5 lbs
|
|||||||
Grade 2 Hex Nuts - Fine Thread (SAE)
Suited for moderate strength tasks, these Grade 2 fine‑thread nuts conform to IFI and ASME specs. Double chamfering (to 5/8") and a zinc coating for corrosion protection make them a staple in general repairs. Pair with Grade 2 bolts where standard torque and reliable seating are all you need.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-28 | Fine | 100 |
343604
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-24 | Fine | 100 |
343605
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-24 | Fine | 100 |
343606
|
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|
Package Weight: 1.5 lbs
|
|||||||
| 7/16" | 3/8" | 5/8" | 7/16"-14 | Fine | 50 |
34360758
|
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|
Package Weight: 1 lbs
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-20 | Fine | 50 |
343607
|
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|
Package Weight: 1.4 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-20 | Fine | 50 |
343608
|
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|
|
|||||||
| 9/16" | 31/64" | 7/8" | 9/16"-18 | Fine | 50 |
343609
|
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|
Package Weight: 2.7 lbs
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-18 | Fine | 50 |
343610
|
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|
|
|||||||
| 3/4" | 41/64" | 1-1/8" | 3/4"-16 | Fine | 25 |
343612
|
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|
|
|||||||
| 7/8" | 3/4" | 1-5/16" | 7/8"-14 | Fine | 10 |
343614
|
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|
|
|||||||
| 1" | 55/64" | 1-1/2" | 1"-14 | Fine | 10 |
343616
|
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|
|
|||||||
Grade 2 Black Oil Dipped Hex Nuts - Fine Thread (SAE)
Conforming to IFI and ASME specs, these Grade 2 fine‑thread nuts are dipped in black oil for a smooth finish. Double‑chamfering up to 5/8" fosters better wrench grip and uniform seating. Use them with compatible Grade 2 bolts or cap screws for general maintenance tasks needing moderate strength.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1-1/8" | 31/32" | 1-11/16" | 1-1/8"-12 | Fine | 5 |
343618
|
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| 1-1/4" | 1-1/16" | 1-7/8" | 1-1/4"-12 | Fine | 5 |
343620
|
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|
Package Weight: 2.7 lbs
|
|||||||
| 1-1/2" | 1-9/32" | 2-1/4" | 1-1/2"-12 | Fine | 5 |
343624
|
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|
Package Weight: 4.4 lbs
|
|||||||
| 1-3/4" | 1-1/2" | 2-5/8" | 1-3/4"-12 | Fine | 1 |
343628
|
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|
Package Weight: 1.5 lbs
|
|||||||
Grade 2H Hex Nuts - Plain Finish
Providing 175,000 PSI proof load strength under ASTM A194 2H, these plain‑finish nuts handle heavy structural or petrochemical bolts. Ideal for extreme conditions such as high‑pressure flanges or industrial piping. Pair with 2H studs or other high‑tensile fasteners for reliable clamp in demanding environments.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/2" | 31/64" | 7/8" | 1/2"-13 | Coarse | 50 |
347108
|
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|
Package Weight: 3.1 lbs
|
|||||||
| 5/8" | 39/64" | 1-1/16" | 5/8"-11 | Coarse | 25 |
347110
|
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|
|
|||||||
| 3/4" | 47/64" | 1-1/4" | 3/4"-10 | Coarse | 25 |
347112
|
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|
|
|||||||
| 7/8" | 55/64" | 1-7/16" | 7/8"-9 | Coarse | 10 |
347114
|
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|
|
|||||||
| 1" | 63/64" | 1-5/8" | 1"-8 | Coarse | 10 |
347116
|
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|
|
|||||||
| 1-1/8" | 1-7/64" | 1-13/16" | 1-1/8"-7 | Coarse | 5 |
347118
|
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|
|
|||||||
| 1-1/4" | 1-7/32" | 2" | 1-1/4"-7 | Coarse | 5 |
347120
|
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|
|
|||||||
| 1-1/2" | 1-15/32" | 2-3/8" | 1-1/2"-12 | Coarse | 5 |
347124
|
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|
|
|||||||
2H (USS) Hex Nuts
For structural or pressure vessel use, these 2H nuts meet ASTM A194 with a 175,000 PSI proof load. Zinc plating adds moderate rust protection, while the heavy‑duty design suits high‑tension assemblies like flanges or pipeline systems. Pair with 2H or similarly rated studs or bolts for reliable performance.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 15/64" | 1/2" | 1/4"-20 | Coarse | 50 |
348104
|
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|
|
|||||||
| 5/16" | 19/64" | 9/16" | 5/16"-18 | Coarse | 50 |
348105
|
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|
|
|||||||
| 3/8" | 23/64" | 11/16" | 3/8"-16 | Coarse | 50 |
348106
|
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|
|
|||||||
| 7/16" | 27/64" | 3/4" | 7/16"-14 | Coarse | 50 |
348107
|
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|
|
|||||||
| 1/2" | 31/64" | 7/8" | 1/2"-13 | Coarse | 50 |
348108
|
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|
|
|||||||
| 5/8" | 39/64" | 1-1/16" | 5/8"-11 | Coarse | 25 |
348110
|
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|
|
|||||||
| 3/4" | 47/64" | 1-1/4" | 3/4"-10 | Coarse | 25 |
348112
|
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|
|
|||||||
| 7/8" | 55/64" | 1-7/16" | 7/8"-9 | Coarse | 10 |
348114
|
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|
|
|||||||
| 1" | 63/64" | 1-5/8" | 1"-8 | Coarse | 10 |
348116
|
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|
|
|||||||
Grade 2H Armor Coat™ Hex Nuts - Coarse Thread (USS)
Offering 1,000+ hours of salt spray protection, these 2H nuts with Armor Coat™ excel in extreme corrosion environments. At 175,000 PSI proof load, they meet ASTM 2H/B633 for structural or heavy machinery use. Pair with Armor Coat™ bolts where high tensile strength and superior rust resistance are essential.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 5/8" | 39/64" | 1-1/16" | 5/8"-11 | Coarse | 25 |
343110
|
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|
Package Weight: 2.8 lbs
|
|||||||
| 3/4" | 47/64" | 1-1/4" | 3/4"-10 | Coarse | 25 |
343112
|
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|
Package Weight: 4.5 lbs
|
|||||||
L9 (USS) Hex Nuts
Built for the highest mechanical strength, these L9® nuts handle extreme stress in heavy equipment or trucking. Special torque‑tension control yields consistent clamp force, while the tall hex design aids wrenching. Cadmium plating plus waxing help reduce galling. Pair with L9® bolts for maximum clamp in demanding MRO settings.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 17/64" | 7/16" | 1/4"-20 | Coarse | 100 |
349004
|
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|
|
|||||||
| 5/16" | 11/32" | 1/2" | 5/16"-18 | Coarse | 100 |
349005
|
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|
|
|||||||
| 3/8" | 13/32" | 9/16" | 3/8"-16 | Coarse | 100 |
349006
|
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|
|
|||||||
| 7/16" | 7/16" | 11/16" | 7/16"-14 | Coarse | 50 |
349007
|
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|
|
|||||||
| 1/2" | 33/64" | 3/4" | 1/2"-13 | Coarse | 50 |
349008
|
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|
|
|||||||
| 9/16" | 37/64" | 7/8" | 9/16"-12 | Coarse | 50 |
349009
|
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|
|
|||||||
| 5/8" | 21/32" | 15/16" | 5/8"-11 | Coarse | 50 |
349010
|
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|
|
|||||||
| 3/4" | 49/64" | 1-1/8" | 3/4"-10 | Coarse | 25 |
349012
|
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|
|
|||||||
| 7/8" | 57/64" | 1-5/16" | 7/8"-9 | Coarse | 10 |
349014
|
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|
|
|||||||
| 1" | 1-1/64" | 1-1/2" | 1"-8 | Coarse | 10 |
349016
|
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|
|
|||||||
L9 (SAE) Hex Nuts
Built to the highest off‑the‑shelf standard, these L9® nuts deliver extreme clamp loads in severe‑duty settings. Waxed cadmium plating resists corrosion and galling, while the tall hex profile provides a larger wrench area. Combine with L9® bolts to handle maximum torque in heavy trucking, construction, or industrial machinery.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 5/16" | 7/16" | 1/4"-28 | Fine | 100 |
349104
|
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|
|
|||||||
| 5/16" | 11/32" | 1/2" | 5/16"-24 | Fine | 100 |
349105
|
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|
|
|||||||
| 3/8" | 13/32" | 9/16" | 3/8"-24 | Fine | 100 |
349106
|
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|
|
|||||||
| 7/16" | 7/16" | 11/16" | 7/16"-20 | Fine | 50 |
349107
|
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|
|
|||||||
| 1/2" | 33/64" | 3/4" | 1/2"-20 | Fine | 50 |
349108
|
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|
|
|||||||
| 9/16" | 37/64" | 7/8" | 9/16"-18 | Fine | 50 |
349109
|
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|
|
|||||||
| 5/8" | 21/32" | 15/16" | 5/8"-18 | Fine | 50 |
349110
|
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|
|
|||||||
| 3/4" | 49/64" | 1-1/8" | 3/4"-10 | Fine | 25 |
349112
|
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|
|
|||||||
| 7/8" | 57/64" | 1-5/16" | 7/8"-14 | Fine | 10 |
349114
|
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|
|
|||||||
A536 Galvanized Hex Nuts
Meeting ASTM A536 for structural fasteners, these hot‑dip galvanized hex nuts resist rust in outdoor or harsh settings. They pair well with A325 or other large bolts in bridges, building frames, or heavy construction. The thick zinc layer provides lasting protection under severe weather or corrosive conditions.
| Diameter | Height | Width Across Flats | Thread Size | Measurement Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 5/8" | 39/64" | 1-1/16" | 5/8"-11 | USS | 25 |
342110
|
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|
Package Weight: 2.8 lbs
|
|||||||
| 3/4" | 47/64" | 1-1/4" | 3/4"-10 | USS | 10 |
342112
|
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|
Package Weight: 1.9 lbs
|
|||||||
| 7/8" | 1-7/16" | 55/64" | 7/8"-9 | USS | 10 |
342114
|
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|
Package Weight: 0.1 lbs
|
|||||||
Heavy Hex Nuts - USS
Built to ANSI B18.2.2 standards, these heavy hex nuts feature a larger width across flats, offering superior wrench engagement. Zinc plating protects against mild corrosion. Use them with heavy structural or industrial bolts where extra contact area helps distribute load in tough MRO applications.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 15/64" | 1/2" | 1/4"-20 | Coarse | 100 |
347604
|
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|
|
|||||||
| 5/16" | 19/64" | 9/16" | 5/16"-18 | Coarse | 100 |
347605
|
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|
|
|||||||
| 3/8" | 23/64" | 11/16" | 3/8"-16 | Coarse | 100 |
347606
|
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|
|
|||||||
| 7/16" | 27/64" | 3/4" | 7/16"-14 | Coarse | 50 |
347607
|
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|
|
|||||||
| 1/2" | 31/64" | 7/8" | 1/2"-13 | Coarse | 50 |
347608
|
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|
|
|||||||
| 9/16" | 35/64" | 15/16" | 9/16"-12 | Coarse | 25 |
347609
|
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|
|
|||||||
| 5/8" | 39/64" | 1-1/16" | 5/8"-11 | Coarse | 25 |
347610
|
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|
|
|||||||
| 3/4" | 47/64" | 1-1/4" | 3/4"-10 | Coarse | 25 |
347612
|
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|
|
|||||||
| 7/8" | 55/64" | 1-7/16" | 7/8"-9 | Coarse | 10 |
347614
|
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|
|
|||||||
| 1" | 63/64" | 1-5/8" | 1"-8 | Coarse | 10 |
347616
|
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|
|
|||||||
Hex Jam Nuts - Coarse Thread (USS)
With chamfered edges and zinc plating, these coarse‑thread jam nuts offer a lower profile to lock a full nut in place or adjust bearings. They’re ideal in gear or pulley setups, where space is tight yet added security is essential. Install above a standard hex nut to reduce loosening under vibration.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 5/32" | 7/16" | 1/4"-20 | Coarse | 100 |
346404
|
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|
Package Weight: 0.5 lbs
|
|||||||
| 5/16" | 3/16" | 1/2" | 5/16"-18 | Coarse | 100 |
346405
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 3/8" | 7/32" | 9/16" | 3/8"-16 | Coarse | 100 |
346406
|
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|
Package Weight: 1 lbs
|
|||||||
| 7/16" | 1/4" | 11/16" | 7/16"-14 | Coarse | 50 |
346407
|
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|
Package Weight: 0.9 lbs
|
|||||||
| 1/2" | 5/16" | 3/4" | 1/2"-13 | Coarse | 50 |
346408
|
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|
Package Weight: 1.3 lbs
|
|||||||
| 9/16" | 5/16" | 7/8" | 9/16"-12 | Coarse | 50 |
346409
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 5/8" | 3/8" | 15/16" | 5/8"-11 | Coarse | 50 |
346410
|
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|
Package Weight: 2.4 lbs
|
|||||||
| 3/4" | 27/64" | 1-1/8" | 3/4"-10 | Coarse | 25 |
346412
|
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|
Package Weight: 2 lbs
|
|||||||
| 7/8" | 31/64" | 1-5/16" | 7/8"-9 | Coarse | 10 |
346414
|
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|
Package Weight: 1.2 lbs
|
|||||||
| 1" | 35/64" | 1-1/2" | 1"-8 | Coarse | 10 |
346416
|
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|
Package Weight: 1.7 lbs
|
|||||||
Hex Jam Nuts - Fine Thread (SAE)
These fine‑thread jam nuts feature zinc plating and chamfered edges, making them perfect for locking in place above standard nuts. They’re often used in shaft or bearing setups where tight adjustment is necessary. Install them to prevent loosening under vibration or frequent mechanical movement.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 5/32" | 7/16" | 1/4"-28 | Fine | 100 |
346504
|
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|
Package Weight: 0.8 lbs
|
|||||||
| 5/16" | 3/16" | 1/2" | 5/16"-24 | Fine | 100 |
346505
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 3/8" | 7/32" | 9/16" | 3/8"-24 | Fine | 100 |
346506
|
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|
Package Weight: 1 lbs
|
|||||||
| 7/16" | 1/4" | 11/16" | 7/16"-20 | Fine | 50 |
346507
|
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|
Package Weight: 0.9 lbs
|
|||||||
| 1/2" | 5/16" | 3/4" | 1/2"-20 | Fine | 50 |
346508
|
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|
Package Weight: 1.3 lbs
|
|||||||
| 9/16" | 5/16" | 7/8" | 9/16"-18 | Fine | 50 |
346509
|
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|
Package Weight: 1.7 lbs
|
|||||||
| 5/8" | 3/8" | 15/16" | 5/8"-18 | Fine | 50 |
346510
|
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|
Package Weight: 2.3 lbs
|
|||||||
| 3/4" | 27/64" | 1-1/8" | 3/4"-16 | Fine | 25 |
346512
|
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|
Package Weight: 1.8 lbs
|
|||||||
| 7/8" | 31/64" | 1-5/16" | 7/8"-14 | Fine | 10 |
346514
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 1" | 35/64" | 1-1/2" | 1"-14 | Fine | 10 |
346516
|
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|
Package Weight: 1.6 lbs
|
|||||||
Brass Hex Nuts - Coarse Thread (USS)
Perfect for exhaust manifolds or marine hardware, these coarse‑thread brass hex nuts feature chamfered, washer‑faced edges and stay free from rust and seizure. Brass ensures smooth thread engagement and reliable clamp without galling on studs. Ideal for applications exposed to heat, moisture, or chemicals.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 50 |
346804
|
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|
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 50 |
346805
|
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|
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 25 |
64092
|
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|
|
|||||||
| 3/8" | 5/8" | 9/16" | 3/8"-16 | Coarse | 25 |
64093
|
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|
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-14 | Coarse | 25 |
64096
|
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|
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 25 |
346808
|
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|
|
|||||||
| No. 4 | 3/32" | 1/4" | #4-40 | Coarse | 100 |
346810
|
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|
|
|||||||
| No. 5 | 7/64" | 5/16" | #5-40 | Coarse | 100 |
346811
|
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|
|
|||||||
| No. 6 | 7/64" | 5/16" | #6-32 | Coarse | 50 |
346801
|
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|
|
|||||||
| No. 8 | 1/8" | 11/32" | #8-32 | Coarse | 50 |
346802
|
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|
|
|||||||
| No. 10 | 1/8" | 3/8" | #10-24 | Coarse | 50 |
346803
|
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|
|
|||||||
Brass Hex Nuts - Fine Thread (SAE)
Suited for manifolds or marine connections, these fine‑thread brass nuts won’t seize or rust. Their chamfered, washer‑faced design promotes smooth mating, and the brass composition resists corrosion and galling. Use them anywhere moisture or mild chemicals could damage standard steel hardware.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-28 | Fine | 50 |
346904
|
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|
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-24 | Fine | 50 |
346905
|
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|
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-24 | Fine | 25 |
64094
|
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|
|
|||||||
| 7/16" | 3/8" | 11/16" | 7/16"-20 | Fine | 25 |
64098
|
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|
|
|||||||
| No. 10 | 1/8" | 3/8" | #10-32 | Fine | 50 |
346903
|
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|
|
|||||||
Nylon Hex Nuts
Non‑conductive and lightweight, these nylon hex nuts excel in electrical or chemical environments where metal might corrode. They won’t rust or gall, and they’re easy to handle for utility or electronic assemblies. Use them anywhere you need a non‑magnetic, non‑conductive fastening solution.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 50 |
341164
|
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|
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 50 |
341166
|
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|
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 25 |
341168
|
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|
|
|||||||
Silicon Bronze (USS) Hex Nuts
Non‑magnetic and highly corrosion resistant, these silicon bronze hex nuts excel in marine, electrical, or chemical environments. Alloy 651 stands up to salt water, gases, and sewage, making them popular for power generation, pole line hardware, or offshore oil platforms. Pair with matching bronze bolts for best results.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 50 |
348904
|
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|
Package Weight: 0.4 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 50 |
348905
|
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|
Package Weight: 0.6 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 25 |
348906
|
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|
Package Weight: 0.4 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 25 |
348908
|
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|
Package Weight: 1.1 lbs
|
|||||||
Thermoplastic Flange Nuts
Non‑conductive and corrosion‑resistant, these thermoplastic flange nuts combine fiberglass‑reinforced polyurethane with nylon for tough, lightweight fastening. They won’t rust or gall, making them ideal for electrical utilities or wet, chemical environments. Perfect wherever a metal‑free, insulated solution is required.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 25 |
341264
|
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|
Package Weight: 0.1 lbs
|
|||||||
| 3/8" | 3/4" | 9/16" | 3/8"-16 | Coarse | 10 |
341266
|
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|
Package Weight: 0.1 lbs
|
|||||||
| 1/2" | 7/8" | 3/4" | 1/2"-13 | Coarse | 10 |
341268
|
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|
Package Weight: 0.2 lbs
|
|||||||
Metric Class 10 (Coarse Thread) Hex Nuts
These Class 10 metric nuts pair with 10.9 cap screws for high‑strength fastening in machinery or automotive applications. Zinc plating adds moderate corrosion resistance, while heat‑treated steel ensures reliable clamp force. Use them in heavy MRO tasks needing a stable grip with metric coarse threads.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| M6 | 5 mm | 10 mm | M6 x 1 | Coarse | 50 |
463806
|
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|
Package Weight: 0.3 lbs
|
|||||||
| M8 | 6.5 mm | 13 mm | M8 x 1.25 | Coarse | 50 |
463808
|
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|
Package Weight: 0.5 lbs
|
|||||||
| M10 | 8 mm | 16 mm | M10 x 1.5 | Coarse | 25 |
463850
|
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|
Package Weight: 0.5 lbs
|
|||||||
| M10 | 8 mm | 17 mm | M10 x 1.5 | Coarse | 25 |
463810
|
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|
Package Weight: 0.6 lbs
|
|||||||
| M12 | 10 mm | 18 mm | M12 x 1.75 | Coarse | 25 |
463852
|
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|
Package Weight: 0.5 lbs
|
|||||||
| M12 | 10 mm | 19 mm | M12 x 1.75 | Coarse | 25 |
463812
|
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|
Package Weight: 0.9 lbs
|
|||||||
| M14 | 11 mm | 22 mm | M14 x 2.0 | Coarse | 25 |
463814
|
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|
Package Weight: 1.2 lbs
|
|||||||
| M16 | 13 mm | 24 mm | M16 x 2.0 | Coarse | 25 |
463816
|
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|
Package Weight: 1.6 lbs
|
|||||||
| M18 | 15 mm | 27 mm | M18 x 2.5 | Coarse | 25 |
463818
|
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|
Package Weight: 2.3 lbs
|
|||||||
| M20 | 16 mm | 30 mm | M20 x 2.5 | Coarse | 10 |
463820
|
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|
Package Weight: 1.3 lbs
|
|||||||
| M22 | 18 mm | 32 mm | M22 x 2.5 | Coarse | 10 |
463822
|
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|
Package Weight: 1.5 lbs
|
|||||||
| M24 | 19 mm | 36 mm | M24 x 3.0 | Coarse | 10 |
463824
|
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|
Package Weight: 2.2 lbs
|
|||||||
Metric Class 10 (Fine Thread) Hex Nuts
Use these Class 10 fine‑thread metric nuts with 10.9 bolts in high‑strength applications. Zinc plating protects against rust, and the alloy steel design meets DIN 934‑10 for consistent torque. Great for critical machinery or automotive repairs needing strong clamp and tight pitch for precise alignment.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| M8 | 6.5 mm | 13 mm | M8 x 1 | Fine | 50 |
463908
|
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|
Package Weight: 0.5 lbs
|
|||||||
| M10 | 8 mm | 17 mm | M10 x 1.25 | Fine | 25 |
463910
|
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|
Package Weight: 0.6 lbs
|
|||||||
| M12 | 10 mm | 19 mm | M12 x 1.5 | Fine | 25 |
463912
|
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|
Package Weight: 0.9 lbs
|
|||||||
| M14 | 11 mm | 22 mm | M14 x 1.5 | Fine | 10 |
463914
|
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|
Package Weight: 0.5 lbs
|
|||||||
| M16 | 13 mm | 24 mm | M16 x 1.5 | Fine | 10 |
463916
|
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|
Package Weight: 0.7 lbs
|
|||||||
| M20 | 15 mm | 30 mm | M20 x 1.5 | Fine | 10 |
463920
|
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|
Package Weight: 1.2 lbs
|
|||||||
Metric Class 8 (Coarse Thread) Hex Nuts
Rated for standard metric 8.8 bolts, these Class 8 coarse‑thread nuts are heat‑treated and zinc plated for mild corrosion resistance. They’re perfect for routine MRO tasks on import equipment where moderate strength is sufficient. Pair with 8.8 metric screws for a consistent clamp in daily industrial use.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| M3 | 2.4 mm | 5.5 mm | M3 x 0.5 | Coarse | 50 |
463503
|
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|
Package Weight: 0.1 lbs
|
|||||||
| M4 | 3.2 mm | 7 mm | M4 x 0.7 | Coarse | 50 |
463504
|
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|
Package Weight: 0.1 lbs
|
|||||||
| M5 | 4 mm | 8 mm | M5 x 0.8 | Coarse | 50 |
463505
|
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|
Package Weight: 0.2 lbs
|
|||||||
| M6 | 5 mm | 10 mm | M6 x 1 | Coarse | 50 |
463506
|
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|
Package Weight: 0.3 lbs
|
|||||||
| M7 | 5.5 mm | 11 mm | M7 x 1 | Coarse | 50 |
463507
|
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|
Package Weight: 0.3 lbs
|
|||||||
| M8 | 6.5 mm | 13 mm | M8 x 1.25 | Coarse | 50 |
463508
|
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|
Package Weight: 0.5 lbs
|
|||||||
| M10 | 8 mm | 17 mm | M10 x 1.5 | Coarse | 25 |
463510
|
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|
Package Weight: 0.6 lbs
|
|||||||
| M12 | 10 mm | 19 mm | M12 x 1.75 | Coarse | 25 |
463512
|
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|
Package Weight: 0.9 lbs
|
|||||||
| M14 | 11 mm | 22 mm | M14 x 2.0 | Coarse | 25 |
463514
|
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|
Package Weight: 1.2 lbs
|
|||||||
| M16 | 13 mm | 24 mm | M16 x 2.0 | Coarse | 10 |
463516
|
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|
Package Weight: 0.7 lbs
|
|||||||
| M18 | 15 mm | 27 mm | M18 x 2.5 | Coarse | 10 |
463518
|
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|
Package Weight: 0.9 lbs
|
|||||||
| M20 | 16 mm | 30 mm | M20 x 2.5 | Coarse | 10 |
463520
|
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|
Package Weight: 1.3 lbs
|
|||||||
Metric Class 8 (Coarse Thread) JIS Hex Nuts
These Class 8 JIS‑style nuts meet Japanese Industrial Standards for metric coarse‑thread applications. Heat‑treated steel and zinc plating deliver moderate corrosion protection. They fit 8.8 JIS bolts in import automotive or machinery repairs, ensuring a secure clamp load in daily MRO tasks.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| M8 | 6.5 mm | 12 mm | M8 x 1.25 | Coarse | 50 |
464008
|
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|
Package Weight: 0.4 lbs
|
|||||||
| M10 | 8 mm | 14 mm | M10 x 1.25 | Fine | 25 |
464010
|
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|
Package Weight: 0.4 lbs
|
|||||||
| M10 | 8 mm | 14 mm | M10 x 1.5 | Coarse | 25 |
464011
|
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|
Package Weight: 0.3 lbs
|
|||||||
| M12 | 10 mm | 17 mm | M12 x 1.25 | Fine | 25 |
464012
|
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|
Package Weight: 0.6 lbs
|
|||||||
Class-8 (Coarse Thread) Hex Jam Nuts
These Class 8 jam nuts are great for locking a primary nut in place without adding extra height. Their plated finish offers basic corrosion resistance, making them suitable for moderate industrial or machinery tasks. Install them in secondary locking applications for consistent clamp in vibrating equipment.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| M4 | 2.2 mm | 7 mm | M4 x 0.7 | Coarse | 50 |
466504
|
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|
Package Weight: 0.1 lbs
|
|||||||
| M5 | 2.7 mm | 8 mm | M5 x 0.8 | Coarse | 50 |
466505
|
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|
Package Weight: 0.1 lbs
|
|||||||
| M6 | 3.2 mm | 10 mm | M6 x 1 | Coarse | 50 |
466506
|
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|
Package Weight: 0.1 lbs
|
|||||||
| M8 | 4 mm | 13 mm | M8 x 1.25 | Coarse | 50 |
466508
|
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|
Package Weight: 0.3 lbs
|
|||||||
| M10 | 5 mm | 17 mm | M10 x 1.5 | Coarse | 50 |
466510
|
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|
Package Weight: 0.7 lbs
|
|||||||
| M12 | 6 mm | 19 mm | M12 x 1.75 | Coarse | 25 |
466512
|
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|
Package Weight: 0.5 lbs
|
|||||||
| M14 | 7 mm | 22 mm | M14 x 2.0 | Coarse | 25 |
466514
|
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|
Package Weight: 0.9 lbs
|
|||||||
| M16 | 8 mm | 24 mm | M16 x 2.0 | Coarse | 25 |
466516
|
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| M18 | 8 mm | 27 mm | M18 x 2.5 | Coarse | 10 |
466518
|
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|
Package Weight: 0.6 lbs
|
|||||||
| M20 | 10 mm | 30 mm | M20 x 2.5 | Coarse | 10 |
466520
|
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|
Package Weight: 0.7 lbs
|
|||||||
| M24 | 12 mm | 36 mm | M24 x 3.0 | Coarse | 5 |
466524
|
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|
Package Weight: 0.1 lbs
|
|||||||
Metric Class 8 (Fine Thread) Hex Nuts
Built for 8.8 metric bolts, these Class 8 fine‑thread nuts come heat‑treated with a black oil-dipped finish. Expect consistent clamp force in moderate industrial applications. They may ship plain‑finish but deliver reliable performance when used with matching 8.8 fasteners, especially in metric MRO work.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| M8 | 6.5 mm | 13 mm | M8 x 1 | Fine | 25 |
463608
|
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|
Package Weight: 0.3 lbs
|
|||||||
| M10 | 8 mm | 17 mm | M10 x 1.25 | Fine | 25 |
463610
|
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|
Package Weight: 0.6 lbs
|
|||||||
| M12 | 10 mm | 19 mm | M12 x 1.5 | Fine | 25 |
463612
|
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|
Package Weight: 0.9 lbs
|
|||||||
| M14 | 11 mm | 22 mm | M14 x 1.5 | Fine | 10 |
463614
|
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|
Package Weight: 0.5 lbs
|
|||||||
| M16 | 13 mm | 24 mm | M16 x 1.5 | Fine | 10 |
463616
|
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|
Package Weight: 0.6 lbs
|
|||||||
| M18 | 15 mm | 27 mm | M18 x 1.5 | Fine | 10 |
463618
|
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|
Package Weight: 0.8 lbs
|
|||||||
| M20 | 16 mm | 30 mm | M20 x 1.5 | Fine | 10 |
463620
|
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|
Package Weight: 1.2 lbs
|
|||||||
Metric Class 8 (Very Fine Thread) Hex Nuts
Ideal for 8.8 bolts requiring tighter thread pitch, these metric Class 8 nuts come with a black oil dipped finish (occasionally plain). Heat‑treated for strength, they suit carefully aligned machinery or precision automotive tasks. Use them wherever a narrower thread pitch is needed for secure clamp.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| M10 | 8 mm | 17 mm | M10 x 1.0 | Very Fine | 25 |
463710
|
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|
Package Weight: 0.6 lbs
|
|||||||
| M12 | 10 mm | 19 mm | M12 x 1.25 | Very Fine | 25 |
463712
|
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|
Package Weight: 0.8 lbs
|
|||||||
18-8 Stainless Steel Hex Nuts - Coarse Thread (USS)
Offering dependable corrosion resistance, these 18‑8 stainless coarse‑thread nuts thrive in wet or chemical conditions. Easy to install with their standard hex design, they’re perfect for decks, marine hardware, or food processing lines. For best results, use them with 18‑8 stainless bolts in MRO or construction.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 50 |
332040
|
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|
Package Weight: 0.4 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 50 |
332050
|
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|
Package Weight: 0.5 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 25 |
332060
|
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|
Package Weight: 0.5 lbs
|
|||||||
| 7/16" | 3/8" | 5/8" | 7/16"-14 | Coarse | 25 |
332070
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 25 |
332080
|
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| 9/16" | 31/64" | 15/16" | 9/16"-12 | Coarse | 10 |
332130
|
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|
Package Weight: 0.6 lbs
|
|||||||
| 9/16" | 31/64" | 15/16" | 9/16"-12 | Coarse | 25 |
332090
|
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|
Package Weight: 1.4 lbs
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-11 | Coarse | 10 |
332100
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 3/4" | 41/64" | 1-1/8" | 3/4"-10 | Coarse | 10 |
332120
|
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|
Package Weight: 1.2 lbs
|
|||||||
| 7/8" | 3/4" | 1-5/16" | 7/8"-9 | Coarse | 5 |
332140
|
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|
Package Weight: 0.9 lbs
|
|||||||
| 1" | 55/64" | 1-1/2" | 1"-8 | Coarse | 5 |
332160
|
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|
Package Weight: 1.4 lbs
|
|||||||
| No. 2 | 1/16" | 3/16" | #2-56 | Coarse | 100 |
332002
|
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|
Package Weight: 0.4 lbs
|
|||||||
18-8 Stainless Steel Heavy Hex Nuts - Coarse Thread (USS)
Larger across flats than standard nuts, these 18‑8 stainless heavy hex options deliver improved wrench contact and corrosion resistance. Perfect in harsh or coastal environments, they’re an excellent choice for structural or marine tasks. Match them with stainless bolts for a complete rust‑resistant assembly.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 15/64" | 1/2" | 1/4"-20 | Coarse | 25 |
332840
|
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|
Package Weight: 0.3 lbs
|
|||||||
| 5/16" | 19/64" | 9/16" | 5/16"-18 | Coarse | 25 |
332850
|
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|
Package Weight: 0.4 lbs
|
|||||||
| 3/8" | 23/64" | 11/16" | 3/8"-16 | Coarse | 25 |
332860
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 7/16" | 27/64" | 3/4" | 7/16"-14 | Coarse | 25 |
332870
|
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| 1/2" | 31/64" | 7/8" | 1/2"-13 | Coarse | 10 |
332880
|
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|
Package Weight: 0.6 lbs
|
|||||||
| 5/8" | 39/64" | 1-1/16" | 5/8"-11 | Coarse | 10 |
332900
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 3/4" | 47/64" | 1-1/4" | 3/4"-10 | Coarse | 5 |
332920
|
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|
Package Weight: 0.9 lbs
|
|||||||
| 7/8" | 55/64" | 1-7/16" | 7/8"-9 | Coarse | 1 |
332940
|
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|
Package Weight: 0.3 lbs
|
|||||||
| 1" | 63/64" | 1-5/8" | 1"-8 | Coarse | 1 |
332941
|
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|
Package Weight: 0.4 lbs
|
|||||||
18-8 Stainless Steel (USS) Hex Jam Nuts
Made from 18‑8 stainless steel, these jam nuts help lock assemblies in place without adding bulk. Corrosion resistance suits them for damp or chemical environments, and their lower profile is perfect for secondary locking above a full‑height nut. Use in automotive, plumbing, or marine projects where space is limited.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 5/32" | 7/16" | 1/4"-20 | Coarse | 50 |
332240
|
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|
Package Weight: 0.3 lbs
|
|||||||
| 5/16" | 3/16" | 1/2" | 5/16"-18 | Coarse | 50 |
332250
|
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|
Package Weight: 0.4 lbs
|
|||||||
| 3/8" | 7/32" | 9/16" | 3/8"-16 | Coarse | 50 |
332260
|
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|
Package Weight: 0.5 lbs
|
|||||||
| 7/16" | 1/4" | 11/16" | 7/16"-14 | Coarse | 10 |
332270
|
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|
Package Weight: 0.2 lbs
|
|||||||
| 1/2" | 5/16" | 3/4" | 1/2"-13 | Coarse | 10 |
332280
|
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|
Package Weight: 0.3 lbs
|
|||||||
| 5/8" | 3/8" | 15/16" | 5/8"-11 | Coarse | 10 |
332300
|
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|
Package Weight: 0.5 lbs
|
|||||||
| 3/4" | 27/64" | 1-1/8" | 3/4"-10 | Coarse | 10 |
332320
|
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|
Package Weight: 0.7 lbs
|
|||||||
18-8 Stainless Steel Hex Nuts - Fine Thread (SAE)
Resisting corrosion in most environments, these 18‑8 stainless fine‑thread nuts suit automotive or machinery setups where rust protection is crucial. Maintenance crews favor them for consistent performance in damp, chemical, or marine settings. Pair with matching stainless bolts for a secure, all‑stainless assembly.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-28 | Fine | 50 |
331854
|
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|
Package Weight: 0.4 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-24 | Fine | 50 |
331855
|
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|
Package Weight: 0.6 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-24 | Fine | 25 |
331856
|
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|
Package Weight: 0.4 lbs
|
|||||||
| 7/16" | 3/8" | 5/8" | 7/16"-20 | Fine | 25 |
331857
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-20 | Fine | 25 |
331858
|
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|
Package Weight: 0.9 lbs
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-18 | Fine | 10 |
331859
|
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|
Package Weight: 0.9 lbs
|
|||||||
| 3/4" | 41/64" | 1-1/8" | 3/4"-16 | Fine | 10 |
331860
|
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|
Package Weight: 1.1 lbs
|
|||||||
| No. 10 | 1/8" | 3/8" | #10-32 | Fine | 100 |
332011
|
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|
Package Weight: 0.3 lbs
|
|||||||
18-8 Stainless Steel Hex Jam Nuts - Fine Thread (SAE)
Corrosion‑resistant 18‑8 stainless construction makes these fine‑thread jam nuts ideal for tight spaces or secondary lock needs. Pair with a regular nut to prevent loosening in vibration‑prone equipment. Suited for marine, chemical, or food processing environments where stainless hardware extends service life.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 5/32" | 7/16" | 1/4"-28 | Fine | 50 |
332245
|
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|
Package Weight: 0.3 lbs
|
|||||||
| 5/16" | 3/16" | 1/2" | 5/16"-24 | Fine | 50 |
332255
|
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|
Package Weight: 0.4 lbs
|
|||||||
| 3/8" | 7/32" | 9/16" | 3/8"-24 | Fine | 50 |
332265
|
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|
Package Weight: 0.4 lbs
|
|||||||
| 7/16" | 1/4" | 11/16" | 7/16"-20 | Fine | 10 |
332275
|
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|
Package Weight: 0.2 lbs
|
|||||||
| 1/2" | 5/16" | 3/4" | 1/2"-20 | Fine | 10 |
332285
|
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|
Package Weight: 0.3 lbs
|
|||||||
| 5/8" | 3/8" | 15/16" | 5/8"-18 | Fine | 10 |
332295
|
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|
Package Weight: 0.5 lbs
|
|||||||
| 3/4" | 27/64" | 1-1/8" | 3/4"-16 | Fine | 10 |
332305
|
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|
Package Weight: 0.7 lbs
|
|||||||
316 Stainless Steel Hex Nuts - Coarse Thread (USS)
Crafted from 316 stainless steel, these coarse‑thread hex nuts provide excellent corrosion resistance in marine or chemical plants. They help prevent galling when used with 18‑8 stainless cap screws and withstand extreme conditions. A single dot on the washer‑face indicates premium 316 composition for easy ID.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| 1/4" | 7/32" | 7/16" | 1/4"-20 | Coarse | 50 |
336364
|
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|
Package Weight: 0.4 lbs
|
|||||||
| 5/16" | 17/64" | 1/2" | 5/16"-18 | Coarse | 50 |
336365
|
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|
Package Weight: 0.5 lbs
|
|||||||
| 3/8" | 21/64" | 9/16" | 3/8"-16 | Coarse | 50 |
336366
|
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|
Package Weight: 0.8 lbs
|
|||||||
| 7/16" | 3/8" | 5/8" | 7/16"-14 | Coarse | 25 |
336367
|
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|
Package Weight: 0.7 lbs
|
|||||||
| 1/2" | 7/16" | 3/4" | 1/2"-13 | Coarse | 25 |
336368
|
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|
Package Weight: 1 lbs
|
|||||||
| 5/8" | 35/64" | 15/16" | 5/8"-11 | Coarse | 15 |
336370
|
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|
Package Weight: 1.1 lbs
|
|||||||
| 3/4" | 41/64" | 1-1/8" | 3/4"-10 | Coarse | 5 |
336372
|
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|
Package Weight: 0.6 lbs
|
|||||||
| 7/8" | 3/4" | 1-5/16" | 7/8"-9 | Coarse | 5 |
336373
|
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|
Package Weight: 1 lbs
|
|||||||
| No. 4 | 3/32" | 1/4" | #4-40 | Coarse | 100 |
336359
|
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|
Package Weight: 0.1 lbs
|
|||||||
| No. 6 | 7/64" | 5/16" | #6-32 | Coarse | 100 |
336360
|
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|
Package Weight: 0.2 lbs
|
|||||||
| No. 8 | 1/8" | 11/32" | #8-32 | Coarse | 100 |
336361
|
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|
Package Weight: 0.3 lbs
|
|||||||
| No. 10 | 1/8" | 3/8" | #10-24 | Coarse | 100 |
336362
|
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|
Package Weight: 0.3 lbs
|
|||||||
Metric 18-8 Stainless Steel (Coarse Thread) Hex Nuts
Ideal for tough applications where plating isn’t required, these Grade 8 USS nuts are heat‑treated alloy steel for consistent clamp. Double chamfers assist with wrench engagement, while a plain finish works where corrosion isn’t a primary concern. Use them with Grade 8 cap screws in engines or heavy machinery.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| M2 | 1.6 mm | 4 mm | M2 x 0.4 | Coarse | 100 |
467149
|
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Package Weight: 0.1 lbs
|
|||||||
| M3 | 2.4 mm | 5.5 mm | M3 x 0.5 | Coarse | 100 |
467150
|
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|
Package Weight: 0.1 lbs
|
|||||||
| M4 | 3.2 mm | 7 mm | M4 x 0.7 | Coarse | 100 |
467151
|
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|
Package Weight: 0.2 lbs
|
|||||||
| M5 | 4 mm | 8 mm | M5 x 0.8 | Coarse | 100 |
467152
|
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|
Package Weight: 0.3 lbs
|
|||||||
| M6 | 5 mm | 10 mm | M6 x 1 | Coarse | 50 |
467153
|
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|
Package Weight: 0.3 lbs
|
|||||||
| M8 | 6.5 mm | 13 mm | M8 x 1.25 | Coarse | 25 |
467154
|
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| M10 | 8 mm | 17 mm | M10 x 1.5 | Coarse | 25 |
467155
|
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| M12 | 10 mm | 19 mm | M12 x 1.75 | Coarse | 10 |
467156
|
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| M14 | 12.4 mm | 21 mm | M14 x 2.0 | Coarse | 5 |
467190
|
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| M16 | 13 mm | 24 mm | M16 x 2.0 | Coarse | 5 |
467157
|
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| M20 | 16 mm | 30 mm | M20 x 2.5 | Coarse | 1 |
467158
|
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|
Package Weight: 0.1 lbs
|
|||||||
| M24 | 17.7 mm | 36 mm | M24 x 3.0 | Coarse | 1 |
4671159
|
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|
|
|||||||
18-8 Stainless Steel (Coarse Thread) Hex Jam Nuts
Corrosion‑resistant and compact, these 18‑8 stainless jam nuts lock standard hex nuts in place or allow for fine adjustments in bolts. They’re well‑suited for marine, chemical, or sanitary settings, providing rust‑free performance. Use in tandem with full‑height nuts to combat loosening from vibration.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| M4 | 2.2 mm | 6 mm | M4 x 0.7 | Coarse | 100 |
467861
|
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| M6 | 3.2 mm | 10 mm | M6 x 1 | Coarse | 50 |
467862
|
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| M8 | 4 mm | 13 mm | M8 x 1.25 | Coarse | 25 |
467863
|
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| M10 | 5 mm | 17 mm | M10 x 1.5 | Coarse | 25 |
467864
|
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| M12 | 6 mm | 19 mm | M12 x 1.75 | Coarse | 10 |
467865
|
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Metric 316 Stainless Steel (Coarse Thread) Hex Nuts
Upgrade to 316 stainless for excellent corrosion resistance in harsh, saltwater, or chemical‑laden environments. These metric coarse‑thread nuts reduce galling with 18‑8 screws. Marked “316” on the washer face, they’re an ideal choice in pumps, pipelines, or marine applications needing top‑tier rust protection.
| Diameter | Height | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|---|
| M6 | 5 mm | 10 mm | M6 x 1 | Coarse | 50 |
4637153
|
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| M8 | 6.5 mm | 13 mm | M8 x 1.25 | Coarse | 25 |
4637154
|
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| M10 | 8 mm | 17 mm | M10 x 1.5 | Coarse | 25 |
4637155
|
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| M12 | 10 mm | 19 mm | M12 x 1.75 | Coarse | 10 |
4637156
|
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Our Hex Nut Collection
- Stainless Steel Hex Nuts: Offering excellent corrosion resistance and durability, our stainless-steel hex nuts are ideal for harsh environments. The 9/16"-12 (USS) pack provides exceptional corrosion resistance, ensuring lasting performance in many applications.
- Brass Hex Nuts: Known for their corrosion resistance and electrical conductivity, our brass hex nuts offer a superb blend of durability and aesthetic appeal. Available in 7/16"-20 (SAE), 3/8"-24 (SAE) and many more sizes, these nuts resist freezing to studs, ideal for use on manifolds.
- Grade 8 and Class 8 Hex Nuts: For high-stress applications demanding the highest level of strength and durability, our Grade 8 (SAE) and Class 8 Hex Nuts are unmatched. These nuts are designed for high-stress applications.
- Specialty Sizes and Materials: Catering to a wide range of applications, our collection includes a variety of sizes and materials. Explore fine thread options for precise adjustment or 316 stainless steels for unmatched corrosion resistance.
Why Choose Kimball Midwest for Your Hex Nuts?
- Diverse Selection: Our extensive range covers the spectrum from standard sizes to specialized variants, ensuring you find the exact match for your specific requirements.
- Exemplary Quality: Each hex nut in our collection is manufactured to the highest standards, ensuring peak performance in reliability and durability.
- Industry Expertise: With decades of experience and a deep understanding of the industry's needs, Kimball Midwest supports your projects with unparalleled expertise and quality products.
Contact a local sales representative today and find the perfect hex nuts for your needs.
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