Helical Inserts
Stripped threads killing uptime? Helical inserts rebuild worn tapped holes into strong, permanent threads with 18-8 stainless coils that bite and lock as you install. Use individual inserts for quick repairs or grab our kits with tap and install tool when you need a full thread restore on the first shot. Metric and inch sizes available.
76 results
Perma-Thread Stainless Steel Helical Insert Kits
Perma-Thread stainless steel helical insert kits containing precision-formed 18-8 stainless coils with a removable notched tang for installation. Inserts expand to anchor in tapped holes, providing permanent conventional screw threads for repair or reinforcement.
Thread Type: Coarse
| Diameter | Length | Thread Size | Number of Inserts | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
#8
|
0.246"
|
#8-32
|
12
|
1
|
85261
|
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|
|
Package Weight: 0.2 lbs
|
||||||
|
#10
|
0.285"
|
#10-24
|
12
|
1
|
85262
|
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|
|
Package Weight: 0.2 lbs
|
||||||
|
#12
|
0.324"
|
#12-24
|
12
|
1
|
85264
|
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|
|
Package Weight: 0.2 lbs
|
||||||
|
1/4"
|
0.375"
|
1/4"-20
|
12
|
1
|
85265
|
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|
|
Package Weight: 0.2 lbs
|
||||||
|
5/16"
|
0.469"
|
5/16"-18
|
12
|
1
|
85267
|
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|
|
Package Weight: 0.3 lbs
|
||||||
|
3/8"
|
0.562"
|
3/8"-16
|
12
|
1
|
85269
|
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|
|
Package Weight: 0.3 lbs
|
||||||
|
7/16"
|
0.656"
|
7/16"-14
|
6
|
1
|
85271
|
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|
|
Package Weight: 0.4 lbs
|
||||||
|
1/2"
|
0.75"
|
1/2"-13
|
6
|
1
|
85273
|
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|
|
Package Weight: 0.5 lbs
|
||||||
|
9/16"
|
0.844"
|
9/16"-12
|
6
|
1
|
85275
|
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|
|
Package Weight: 0.7 lbs
|
||||||
|
5/8"
|
0.938"
|
5/8"-11
|
6
|
1
|
85277
|
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|
|
Package Weight: 0.9 lbs
|
||||||
|
3/4"
|
1.125"
|
3/4"-10
|
4
|
1
|
85279
|
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|
|
Package Weight: 1.2 lbs
|
||||||
|
7/8"
|
1.312"
|
7/8"-9
|
6
|
1
|
85281
|
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|
|
Package Weight: 2 lbs
|
||||||
Perma-Thread Stainless Steel Helical Inserts
Perma-Thread stainless steel helical inserts are precision-formed 18-8 stainless coils that restore or create permanent screw threads. Each insert has a notched driving tang for installation and removal; coil expansion anchors the insert and helps resist pullout for durable threaded connections.
Thread Type: Coarse
| Diameter | Length | Thread Size | Number of Inserts | Package Qty | Item # |
Price
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|---|---|---|---|---|---|---|
|
#8
|
0.246"
|
#8-32
|
12
|
1
|
85201
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
#10
|
0.285"
|
#10-24
|
12
|
1
|
85202
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
#12
|
0.324"
|
#12-24
|
12
|
1
|
85204
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
1/4"
|
0.375"
|
1/4"-20
|
12
|
1
|
85205
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
5/16"
|
0.469"
|
5/16"-18
|
12
|
1
|
85207
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
3/8"
|
0.562"
|
3/8"-16
|
12
|
1
|
85209
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
7/16"
|
0.656"
|
7/16"-14
|
6
|
1
|
85211
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
1/2"
|
0.75"
|
1/2"-13
|
6
|
1
|
85213
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
9/16"
|
0.844"
|
9/16"-12
|
6
|
1
|
85215
|
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|
|
Package Weight: 0.2 lbs
|
||||||
|
5/8"
|
0.938"
|
5/8"-11
|
6
|
1
|
85217
|
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|
|
Package Weight: 0.2 lbs
|
||||||
|
3/4"
|
1.125"
|
3/4"-10
|
4
|
1
|
85219
|
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|
|
Package Weight: 0.2 lbs
|
||||||
|
7/8"
|
1.312"
|
7/8"-9
|
6
|
1
|
85221
|
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|
|
Package Weight: 0.1 lbs
|
||||||
Metric Perma-Thread Stainless Steel Helical Insert Kits
Metric Perma-Thread stainless steel helical insert kits containing precision-formed 18-8 coils that restore or create durable internal threads. Diamond-shaped, high-tensile coils expand to anchor in tapped holes; driving tangs are notched for removal, providing long-term thread retention.
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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|
|
Package Weight: 0.2 lbs
|
||||||
|
M6
|
0.354"
|
M6 x 1.0
|
12
|
1
|
85291
|
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|
|
Package Weight: 0.2 lbs
|
||||||
|
M7
|
0.413"
|
M7 x 1.0
|
12
|
1
|
85292
|
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|
|
Package Weight: 0.3 lbs
|
||||||
|
M8
|
0.472"
|
M8 x 1.25
|
12
|
1
|
85293
|
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|
|
Package Weight: 0.3 lbs
|
||||||
|
M10
|
0.591"
|
M10 x 1.5
|
12
|
1
|
85295
|
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|
|
Package Weight: 0.3 lbs
|
||||||
|
M12
|
0.708"
|
M12 x 1.75
|
6
|
1
|
85297
|
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|
|
Package Weight: 0.4 lbs
|
||||||
|
M14
|
0.826"
|
M14 x 2.0
|
6
|
1
|
85299
|
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|
|
Package Weight: 0.7 lbs
|
||||||
|
M16
|
0.944"
|
M16 x 2.0
|
6
|
1
|
85301
|
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|
|
Package Weight: 0.9 lbs
|
||||||
|
M18
|
1.078"
|
M18 x 2.5
|
6
|
1
|
85303
|
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|
|
Package Weight: 1.1 lbs
|
||||||
|
M20
|
1.196"
|
M20 x 2.5
|
6
|
1
|
85304
|
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|
|
Package Weight: 1.6 lbs
|
||||||
|
M22
|
0.99"
|
M22 x 2.5
|
5
|
1
|
85305
|
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|
|
Package Weight: 2.3 lbs
|
||||||
|
M24
|
1.099"
|
M24 x 3.0
|
5
|
1
|
85306
|
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|
|
Package Weight: 3.1 lbs
|
||||||
Metric Perma-Thread Stainless Steel Helical Inserts
Metric Perma-Thread stainless steel helical inserts made from 18-8 stainless steel. Precision-formed coils with a notched driving tang install into tapped holes and expand to anchor, providing permanent conventional screw threads and improved wear resistance.
Thread Type: Coarse
| Diameter | Length | Thread Size | Number of Inserts | Package Qty | Item # |
Price
Want to view pricing for this product?
Log In or Create Login Not a Kimball Midwest Customer? Register |
|---|---|---|---|---|---|---|
|
M5
|
0.295"
|
M5 x 0.8
|
12
|
1
|
85235
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
M6
|
0.354"
|
M6 x 1.0
|
12
|
1
|
85236
|
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|
|
Package Weight: 0 lbs
|
||||||
|
M7
|
0.413"
|
M7 x 1.0
|
12
|
1
|
85237
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
M8
|
0.472"
|
M8 x 1.25
|
12
|
1
|
85238
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
M10
|
0.591"
|
M10 x 1.5
|
12
|
1
|
85240
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
M12
|
0.708"
|
M12 x 1.75
|
6
|
1
|
85242
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
M14
|
0.826"
|
M14 x 2.0
|
6
|
1
|
85244
|
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|
|
Package Weight: 0.2 lbs
|
||||||
|
M16
|
0.944"
|
M16 x 2.0
|
6
|
1
|
85246
|
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|
|
Package Weight: 0.2 lbs
|
||||||
|
M18
|
1.078"
|
M18 x 2.5
|
6
|
1
|
85248
|
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|
|
Package Weight: 0.2 lbs
|
||||||
|
M20
|
1.196"
|
M20 x 2.5
|
6
|
1
|
85249
|
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|
|
Package Weight: 0.3 lbs
|
||||||
|
M22
|
1.196"
|
M22 x 2.5
|
5
|
1
|
85250
|
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|
|
Package Weight: 0.1 lbs
|
||||||
|
M24
|
1.196"
|
M24 x 3.0
|
5
|
5
|
85251
|
Log in to view price
|
|
Package Weight: 2.5 lbs
|
||||||
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