Helical Inserts
Perma-Thread Stainless Steel Helical Insert Kits
Perma-Thread Inserts are precision formed coils of extremely hard stainless steel (18-8) diamond shaped wire, providing permanent conventional screw-threads when installed into a tapped hole. Features include a notched driving tang for easy removal and a design that expands outward to anchor securely. Kits range from 3/4” to 7/8” and meet all applicable industrial and military specifications, including NAS 1222. Suitable for military trucks, aircraft, and other vehicles covered by MS 21208 and MS 21209.
Thread Type: Coarse
| Diameter | Length | Thread Size | Number of Inserts | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
| 1/4" | 0.375" | 1/4"-20 | 12 | 1 |
85265
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Item Number: 85265
Package Weight: 0.2 lbs
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| 5/16" | 0.469" | 5/16"-18 | 12 | 1 |
85267
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Item Number: 85267
Package Weight: 0.3 lbs
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| 3/8" | 0.562" | 3/8"-16 | 12 | 1 |
85269
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Item Number: 85269
Package Weight: 0.3 lbs
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| 7/16" | 0.656" | 7/16"-14 | 6 | 1 |
85271
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Item Number: 85271
Package Weight: 0.4 lbs
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| 1/2" | 0.75" | 1/2"-13 | 6 | 1 |
85273
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Item Number: 85273
Package Weight: 0.5 lbs
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| 9/16" | 0.844" | 9/16"-12 | 6 | 1 |
85275
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Item Number: 85275
Package Weight: 0.7 lbs
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| 5/8" | 0.938" | 5/8"-11 | 6 | 1 |
85277
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Item Number: 85277
Package Weight: 0.9 lbs
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| 3/4" | 1.125" | 3/4"-10 | 4 | 1 |
85279
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Item Number: 85279
Package Weight: 1.2 lbs
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| 7/8" | 1.312" | 7/8"-9 | 6 | 1 |
85281
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Item Number: 85281
Package Weight: 2 lbs
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| No. 8 | 0.246" | #8-32 | 12 | 1 |
85261
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Item Number: 85261
Package Weight: 0.2 lbs
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| No. 10 | 0.285" | #10-24 | 12 | 1 |
85262
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Item Number: 85262
Package Weight: 0.2 lbs
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| No. 12 | 0.324" | #12-24 | 12 | 1 |
85264
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Item Number: 85264
Package Weight: 0.2 lbs
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Perma-Thread Stainless Steel Helical Inserts
Perma-Thread Inserts feature precision-formed coils of extremely hard stainless steel (18-8) diamond-shaped wire, providing permanent conventional screw-threads when installed in a tapped hole. Each insert includes a notched driving tang for easy installation and removal. Larger in diameter before installation, the insert tightens during installation, allowing it to fit into the tapped hole, and expands outward to anchor securely.
Thread Type: Coarse
| Diameter | Length | Thread Size | Number of Inserts | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
| 1/4" | 0.375" | 1/4"-20 | 12 | 1 |
85205
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Item Number: 85205
Package Weight: 0.1 lbs
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| 5/16" | 0.469" | 5/16"-18 | 12 | 1 |
85207
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Item Number: 85207
Package Weight: 0.1 lbs
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| 3/8" | 0.562" | 3/8"-16 | 12 | 1 |
85209
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Item Number: 85209
Package Weight: 0.1 lbs
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| 7/16" | 0.656" | 7/16"-14 | 6 | 1 |
85211
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Item Number: 85211
Package Weight: 0.1 lbs
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| 1/2" | 0.75" | 1/2"-13 | 6 | 1 |
85213
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Item Number: 85213
Package Weight: 0.1 lbs
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| 9/16" | 0.844" | 9/16"-12 | 6 | 1 |
85215
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Item Number: 85215
Package Weight: 0.2 lbs
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| 5/8" | 0.938" | 5/8"-11 | 6 | 1 |
85217
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Item Number: 85217
Package Weight: 0.2 lbs
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| 3/4" | 1.125" | 3/4"-10 | 4 | 1 |
85219
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Item Number: 85219
Package Weight: 0.2 lbs
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| 7/8" | 1.312" | 7/8"-9 | 6 | 1 |
85221
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Item Number: 85221
Package Weight: 0.1 lbs
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| No. 8 | 0.246" | #8-32 | 12 | 1 |
85201
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Item Number: 85201
Package Weight: 0.1 lbs
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| No. 10 | 0.285" | #10-24 | 12 | 1 |
85202
|
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Item Number: 85202
Package Weight: 0.1 lbs
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| No. 12 | 0.324" | #12-24 | 12 | 1 |
85204
|
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Item Number: 85204
Package Weight: 0.1 lbs
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Metric Perma-Thread Stainless Steel Helical Insert Kits
Kits packaged in reclosable plastic clamshell boxes. Contains 6 Inserts, 1 Tap, and 1 Installation tool. Perma-Thread Inserts are precision formed coils of extremely hard stainless steel (18-8) providing permanent screw-threads. Inserts meet all applicable industrial and military specifications, suitable for military trucks and aircraft.
Thread Type: Coarse
| Diameter | Length | Thread Size | Number of Inserts | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
| M5 | 0.295" | M5 x 0.8 | 12 | 1 |
85290
|
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Item Number: 85290
Package Weight: 0.2 lbs
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| M6 | 0.354" | M6 x 1 | 12 | 1 |
85291
|
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Item Number: 85291
Package Weight: 0.2 lbs
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| M7 | 0.413" | M7 x 1 | 12 | 1 |
85292
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Item Number: 85292
Package Weight: 0.3 lbs
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| M8 | 0.472" | M8 x 1.25 | 12 | 1 |
85293
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Item Number: 85293
Package Weight: 0.3 lbs
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| M10 | 0.591" | M10 x 1.5 | 12 | 1 |
85295
|
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Item Number: 85295
Package Weight: 0.3 lbs
|
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| M12 | 0.708" | M12 x 1.75 | 6 | 1 |
85297
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Item Number: 85297
Package Weight: 0.4 lbs
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| M14 | 0.826" | M14 x 2.0 | 6 | 1 |
85299
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Item Number: 85299
Package Weight: 0.7 lbs
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| M16 | 0.944" | M16 x 2.0 | 6 | 1 |
85301
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Item Number: 85301
Package Weight: 0.9 lbs
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| M18 | 1.078" | M18 x 2.5 | 6 | 1 |
85303
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Item Number: 85303
Package Weight: 1.1 lbs
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| M20 | 1.196" | M20 x 2.5 | 6 | 1 |
85304
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Item Number: 85304
Package Weight: 1.6 lbs
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| M22 | 0.99" | M22 x 2.5 | 5 | 1 |
85305
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Item Number: 85305
Package Weight: 2.3 lbs
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| M24 | 1.099" | M24 x 3.0 | 5 | 1 |
85306
|
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Item Number: 85306
Package Weight: 3.1 lbs
|
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Metric Perma-Thread Stainless Steel Helical Inserts
Perma-Thread Inserts feature precision-formed coils of extremely hard stainless steel (18-8) diamond-shaped wire, providing permanent conventional screw-threads when installed. Each insert includes a notched driving "tang" for easy installation and removal. Larger in diameter before installation, the insert tightens during installation, expanding outward to anchor securely.
Thread Type: Coarse
| Diameter | Length | Thread Size | Number of Inserts | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
| M5 | 0.295" | M5 x 0.8 | 12 | 1 |
85235
|
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|
Item Number: 85235
Package Weight: 0.1 lbs
|
||||||
| M6 | 0.354" | M6 x 1 | 12 | 1 |
85236
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Item Number: 85236
Package Weight: 0 lbs
|
||||||
| M7 | 0.413" | M7 x 1 | 12 | 1 |
85237
|
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|
Item Number: 85237
Package Weight: 0.1 lbs
|
||||||
| M8 | 0.472" | M8 x 1.25 | 12 | 1 |
85238
|
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|
Item Number: 85238
Package Weight: 0.1 lbs
|
||||||
| M10 | 0.591" | M10 x 1.5 | 12 | 1 |
85240
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|
Item Number: 85240
Package Weight: 0.1 lbs
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||||||
| M12 | 0.708" | M12 x 1.75 | 6 | 1 |
85242
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Item Number: 85242
Package Weight: 0.1 lbs
|
||||||
| M14 | 0.826" | M14 x 2.0 | 6 | 1 |
85244
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Item Number: 85244
Package Weight: 0.2 lbs
|
||||||
| M16 | 0.944" | M16 x 2.0 | 6 | 1 |
85246
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Item Number: 85246
Package Weight: 0.2 lbs
|
||||||
| M18 | 1.078" | M18 x 2.5 | 6 | 1 |
85248
|
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|
Item Number: 85248
Package Weight: 0.2 lbs
|
||||||
| M20 | 1.196" | M20 x 2.5 | 6 | 1 |
85249
|
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|
Item Number: 85249
Package Weight: 0.3 lbs
|
||||||
| M22 | 1.196" | M22 x 2.5 | 5 | 1 |
85250
|
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|
Item Number: 85250
Package Weight: 0.1 lbs
|
||||||
| M24 | 1.196" | M24 x 3.0 | 5 | 5 |
85251
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|
Item Number: 85251
Package Weight: 2.5 lbs
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