System of Measurement System of Measurement |
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Thread Size Thread Size | Show |
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Thread Size Thread Size | Hide |
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Material Material |
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Nut Type Nut Type | Show |
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 | Locknut |
Hex Nut Profile Hex Nut Profile |
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 |  |
| Thin | Extra-Wide Thin |
Locking Type Locking Type |
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| Nylon Insert | Flex-Top |
Thread Direction Thread Direction |
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 | Right Hand |
Thread Fit Thread Fit |
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Thread Spacing Thread Spacing |
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Drive Style Drive Style |
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 | External Hex |
Thread Type Thread Type |
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Insert Maximum Temperature Insert Maximum Temperature |
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Fastener Strength Grade/Class Fastener StrengthGrade/Class |
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 | Grade C |
About Nuts, Materials, and Finishes
More
High-Strength Steel Extra-Wide Thin Nylon-Insert Locknuts
About half the height and 10% wider than standard nylon-insert locknuts, use these in low-clearance applications or jam one against an extra-wide hex nut to hold it in place. The nylon insert grips the bolt to resist loosening without damaging threads. They're reusable, but their holding power lessens with each use. Comparable in strength to Grade 8 bolts, these locknuts are about three times stronger than low-strength steel extra-wide thin locknuts.
Steel locknuts without a finish are ready to be welded, painted and finished.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Insert Max. Temp., °F | Each | |
Steel—Grade C | |||||
|---|---|---|---|---|---|
| 1 3/8"-12 | 2 13/64" | 1 3/16" | 250° | 000000000 | 000000 |
Steel Thin Flex-Top Locknuts for Heavy Vibration
About two-thirds the height of standard flex-top locknuts, use these in low-clearance applications or jam one against a hex nut to hold it in place. Threads at the top of the nut expand to grip the bolt on all sides for a stronger hold than distorted-thread locknuts. The strength of the bolt should match the strength of the nut to prevent damaging threads. These locknuts have equivalent strength to Grade 8 steel locknuts.
Plain steel locknuts are uncoated and ready for painting.
For technical drawings and 3-D models, click on a part number.
| Thread Size | Wd. | Ht. | Pkg. Qty. | Pkg. | |
Steel | |||||
|---|---|---|---|---|---|
| 1 3/8"-12 | 1 15/16" | 57/64" | 1 | 000000000 | 000000 |