Deformed Thread Lock Nuts
Grade C Ultra-Lock Nuts - Coarse Thread (USS)
Made in the U.S.A. from medium carbon steel and heat treated to meet Grade 8 performance standards. Developed to meet specifications of Automotive Fastener Engineering Specialists. Grade C nut provides predictable torque-tension in high strength applications. Features six dots at 60° intervals and three point top thread deflections for reusable torque. Cadmium and wax finish reduces application torque by up to 50%.
| Diameter | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
| 1/4" | 7/16" | 1/4"-20 | Coarse | 50 |
344804
|
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Item Number: 344804
Package Weight: 0.4 lbs
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||||||
| 5/16" | 1/2" | 5/16"-18 | Coarse | 50 |
344805
|
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Item Number: 344805
Package Weight: 0.5 lbs
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||||||
| 3/8" | 9/16" | 3/8"-16 | Coarse | 50 |
344806
|
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Item Number: 344806
Package Weight: 0.8 lbs
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||||||
| 7/16" | 11/16" | 7/16"-14 | Coarse | 50 |
344807
|
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Item Number: 344807
Package Weight: 1.3 lbs
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||||||
| 1/2" | 3/4" | 1/2"-13 | Coarse | 50 |
344808
|
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Item Number: 344808
Package Weight: 1.7 lbs
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||||||
| 9/16" | 7/8" | 9/16"-12 | Coarse | 25 |
344809
|
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Item Number: 344809
Package Weight: 1.6 lbs
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||||||
| 5/8" | 15/16" | 5/8"-11 | Coarse | 25 |
344810
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Item Number: 344810
Package Weight: 1.7 lbs
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||||||
| 3/4" | 1-1/8" | 3/4"-10 | Coarse | 25 |
344812
|
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Item Number: 344812
Package Weight: 2.7 lbs
|
||||||
| 7/8" | 1-5/16" | 7/8"-9 | Coarse | 10 |
344814
|
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Item Number: 344814
Package Weight: 1.8 lbs
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||||||
| 1" | 1-1/2" | 1"-8 | Coarse | 10 |
344816
|
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Item Number: 344816
Package Weight: 2.7 lbs
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||||||
| 1-1/8" | 1-11/16" | 1-1/8"-7 | Coarse | 5 |
344818
|
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Item Number: 344818
Package Weight: 1.7 lbs
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||||||
| 1-1/4" | 1-7/8" | 1-1/4"-7 | Coarse | 2 |
344820
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Item Number: 344820
Package Weight: 1 lbs
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Grade C Ultra-Lock Tall Nuts - Coarse Thread (USS)
High Head Grade 8 Cap Screws made in the U.S.A. from medium carbon steel, heat treated to meet Grade 8 standards. Features a grade C prevailing torque nut with six dots at 60° intervals for identification. Offers reduced application torque of up to 50% of standard values, ensuring reliability in high strength applications.
| Diameter | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
| 1/4" | 7/16" | 1/4"-20 | Coarse | 50 |
344604
|
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Item Number: 344604
Package Weight: 0.5 lbs
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||||||
| 5/16" | 1/2" | 5/16"-18 | Coarse | 50 |
344605
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Item Number: 344605
Package Weight: 0.6 lbs
|
||||||
| 3/8" | 9/16" | 3/8"-16 | Coarse | 50 |
344606
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Item Number: 344606
Package Weight: 0.9 lbs
|
||||||
| 7/16" | 11/16" | 7/16"-14 | Coarse | 50 |
344607
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Item Number: 344607
Package Weight: 1.8 lbs
|
||||||
| 1/2" | 3/4" | 1/2"-13 | Coarse | 25 |
344608
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Item Number: 344608
Package Weight: 1.1 lbs
|
||||||
| 5/8" | 15/16" | 5/8"-11 | Coarse | 25 |
344610
|
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Item Number: 344610
Package Weight: 2.3 lbs
|
||||||
| 3/4" | 1-1/8" | 3/4"-10 | Coarse | 10 |
344612
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Item Number: 344612
Package Weight: 1.3 lbs
|
||||||
Grade C Ultra-Lock Nuts - Fine Thread (SAE)
Made in the U.S.A. from medium carbon steel, heat treated to meet Grade 8 performance standards. Developed for Automotive Fastener Engineering specifications. Features a grade C nut with a proven torque-tension relationship, six dots for identification, and three point top thread deflections for reusable performance. Cadmium and wax finish reduces application torque by up to 50%.
| Diameter | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
| 1/4" | 7/16" | 1/4"-28 | Fine | 50 |
344904
|
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Item Number: 344904
Package Weight: 0.4 lbs
|
||||||
| 5/16" | 1/2" | 5/16"-24 | Fine | 50 |
344905
|
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Item Number: 344905
Package Weight: 0.5 lbs
|
||||||
| 3/8" | 9/16" | 3/8"-24 | Fine | 50 |
344906
|
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|
Item Number: 344906
Package Weight: 0.8 lbs
|
||||||
| 7/16" | 11/16" | 7/16"-20 | Fine | 50 |
344907
|
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Item Number: 344907
Package Weight: 1.3 lbs
|
||||||
| 1/2" | 3/4" | 1/2"-20 | Fine | 50 |
344908
|
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Item Number: 344908
Package Weight: 1.7 lbs
|
||||||
| 9/16" | 7/8" | 9/16"-18 | Fine | 25 |
344909
|
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|
Item Number: 344909
Package Weight: 1.4 lbs
|
||||||
| 5/8" | 15/16" | 5/8"-18 | Fine | 25 |
344910
|
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|
Item Number: 344910
Package Weight: 1.6 lbs
|
||||||
| 3/4" | 1-1/8" | 3/4"-16 | Fine | 25 |
344912
|
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|
Item Number: 344912
Package Weight: 2.6 lbs
|
||||||
| 7/8" | 1-5/16" | 7/8"-14 | Fine | 10 |
344914
|
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Item Number: 344914
Package Weight: 1.7 lbs
|
||||||
| 1" | 1-1/2" | 1"-14 | Fine | 10 |
344916
|
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Item Number: 344916
Package Weight: 2.7 lbs
|
||||||
| 1-1/8" | 1-11/16" | 1-1/8"-12 | Fine | 5 |
344918
|
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Item Number: 344918
Package Weight: 1.7 lbs
|
||||||
| 1-1/4" | 1-7/8" | 1-1/4"-12 | Fine | 2 |
344920
|
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Item Number: 344920
Package Weight: 0.9 lbs
|
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Metric Class 10 (Coarse Thread) Prevailing Torque Locknuts
The product features a built-in locking mechanism that, when fully torqued, ensures a complete locking action with the bolt threads. It has a zinc plated finish that provides corrosion resistance and is classified as Class 10, making it suitable for use with 10.9 cap screws.
| Diameter | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
| M6 | 10 mm | M6 x 1 | Coarse | 25 |
464806
|
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|
Item Number: 464806
Package Weight: 0.1 lbs
|
||||||
| M8 | 13 mm | M8 x 1.25 | Coarse | 25 |
464808
|
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Item Number: 464808
Package Weight: 0.3 lbs
|
||||||
| M10 | 17 mm | M10 x 1.5 | Coarse | 25 |
464810
|
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|
Item Number: 464810
Package Weight: 0.7 lbs
|
||||||
| M12 | 19 mm | M12 x 1.75 | Coarse | 10 |
464812
|
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Item Number: 464812
Package Weight: 0.4 lbs
|
||||||
| M14 | 22 mm | M14 x 2.0 | Coarse | 10 |
464814
|
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Item Number: 464814
Package Weight: 0.6 lbs
|
||||||
| M16 | 24 mm | M16 x 2.0 | Coarse | 10 |
464816
|
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Item Number: 464816
Package Weight: 0.8 lbs
|
||||||
| M18 | 27 mm | M18 x 2.5 | Coarse | 5 |
464818
|
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Item Number: 464818
Package Weight: 0.1 lbs
|
||||||
| M20 | 30 mm | M20 x 2.5 | Coarse | 5 |
464820
|
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Item Number: 464820
Package Weight: 0.2 lbs
|
||||||
| M22 | 32 mm | M22 x 2.5 | Coarse | 5 |
464822
|
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Item Number: 464822
Package Weight: 0.2 lbs
|
||||||
| M24 | 36 mm | M24 x 3.0 | Coarse | 5 |
464824
|
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Item Number: 464824
Package Weight: 0.3 lbs
|
||||||
Metric Class 8 (Coarse Thread) Prevailing Torque Locknuts
Zinc plated.
| Diameter | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
| M5 | 8 mm | M5 x 0.8 | Coarse | 25 |
464805
|
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|
Item Number: 464805
Package Weight: 0.1 lbs
|
||||||
| M8 | 13 mm | M8 x 1 | Fine | 25 |
464908
|
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|
Item Number: 464908
Package Weight: 0.3 lbs
|
||||||
| M10 | 17 mm | M10 x 1.0 | Very Fine | 10 |
464911
|
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|
Item Number: 464911
Package Weight: 0.3 lbs
|
||||||
| M10 | 17 mm | M10 x 1.25 | Fine | 10 |
464910
|
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|
Item Number: 464910
Package Weight: 0.3 lbs
|
||||||
| M12 | 19 mm | M12 x 1.25 | Very Fine | 10 |
464913
|
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Item Number: 464913
Package Weight: 0.4 lbs
|
||||||
| M12 | 19 mm | M12 x 1.5 | Fine | 10 |
464912
|
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|
Item Number: 464912
Package Weight: 0.4 lbs
|
||||||
L9 (USS) Lock Nuts
L9 FASTENING SYSTEM designed for high stress, severe service environments. HIGHEST MECHANICAL STRENGTH with superior holding power. HIGH GRADE ALLOY STEEL ensures strength and consistency. Hex nuts are yellow cadmium plated to AMS-QQ-P-416 Specifications. FULL CHAMFERS eliminate corner drag. HIGH HEX aids wrenching.
| Diameter | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
| 1/4" | 7/16" | 1/4"-20 | Coarse | 50 |
349204
|
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Item Number: 349204
Package Weight: 0.5 lbs
|
||||||
| 5/16" | 1/2" | 5/16"-18 | Coarse | 50 |
349205
|
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Item Number: 349205
Package Weight: 0.6 lbs
|
||||||
| 3/8" | 9/16" | 3/8"-16 | Coarse | 50 |
349206
|
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|
Item Number: 349206
Package Weight: 0.9 lbs
|
||||||
| 7/16" | 11/16" | 7/16"-14 | Coarse | 50 |
349207
|
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Item Number: 349207
Package Weight: 1.5 lbs
|
||||||
| 1/2" | 3/4" | 1/2"-13 | Coarse | 50 |
349208
|
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Item Number: 349208
Package Weight: 1.9 lbs
|
||||||
| 9/16" | 7/8" | 9/16"-12 | Coarse | 25 |
349209
|
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Item Number: 349209
Package Weight: 1.5 lbs
|
||||||
| 5/8" | 15/16" | 5/8"-11 | Coarse | 25 |
349210
|
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|
Item Number: 349210
Package Weight: 1.9 lbs
|
||||||
| 3/4" | 1-1/8" | 3/4"-10 | Coarse | 25 |
349212
|
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|
Item Number: 349212
Package Weight: 3.1 lbs
|
||||||
| 7/8" | 1-5/16" | 7/8"-9 | Coarse | 10 |
349214
|
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|
||||||
| 1" | 1-1/2" | 1"-8 | Coarse | 10 |
349216
|
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|
||||||
L9 (SAE) Lock Nuts
L9 FASTENING SYSTEM designed for high stress, severe service environments. HIGHEST MECHANICAL STRENGTH with superior holding power. HIGH GRADE ALLOY STEEL ensures strength and consistency. Hex nuts are yellow cadmium plated to AMS-QQ-P-416 Specifications. FULL CHAMFERS eliminate corner drag. HIGH HEX aids wrenching.
| Diameter | Width Across Flats | Thread Size | Thread Type | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
| 1/4" | 7/16" | 1/4"-28 | Fine | 50 |
349304
|
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Item Number: 349304
Package Weight: 0.5 lbs
|
||||||
| 5/16" | 1/2" | 5/16"-24 | Fine | 50 |
349305
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Item Number: 349305
Package Weight: 0.5 lbs
|
||||||
| 3/8" | 9/16" | 3/8"-24 | Fine | 50 |
349306
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Item Number: 349306
Package Weight: 0.9 lbs
|
||||||
| 7/16" | 11/16" | 7/16"-20 | Fine | 50 |
349307
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Item Number: 349307
Package Weight: 1.3 lbs
|
||||||
| 1/2" | 3/4" | 1/2"-20 | Fine | 50 |
349308
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|
||||||
| 9/16" | 7/8" | 9/16"-18 | Fine | 25 |
349309
|
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Item Number: 349309
Package Weight: 1.4 lbs
|
||||||
| 5/8" | 15/16" | 5/8"-18 | Fine | 25 |
349310
|
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Item Number: 349310
Package Weight: 1.9 lbs
|
||||||
| 3/4" | 1-1/8" | 3/4"-16 | Fine | 25 |
349312
|
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Item Number: 349312
Package Weight: 3.1 lbs
|
||||||
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