System of Measurement System of Measurement |
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Hex Nut Profile Hex Nut Profile |
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![]() | Extra-Wide Thin |
Material Material |
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Finish Finish | Show |
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Finish Finish | Hide |
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Locking Type Locking Type |
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![]() | Nylon Insert |
Fastener Strength Grade/Class Fastener StrengthGrade/Class |
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![]() | Grade C |
Thread Fit Thread Fit |
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Thread Spacing Thread Spacing |
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Thread Direction Thread Direction |
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![]() | Right Hand |
Insert Maximum Temperature Insert Maximum Temperature |
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Drive Style Drive Style |
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![]() | External Hex |
More
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.
Black-phosphate steel locknuts resist corrosion in wet environments.
For technical drawings and 3-D models, click on a part number.
Thread Size | Wd. | Ht. | Insert Max. Temp., °F | Each | |
Black-Phosphate Steel—Grade C | |||||
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1 1/4"-12 | 2" | 1 7/64" | 250° | 000000000 | 00000 |
1 1/2"-12 | 2 3/8" | 1 5/16" | 250° | 000000000 | 0000 |
1 3/4"-12 | 2 3/4" | 1 15/32" | 250° | 000000000 | 00000 |
2"-12 | 3 1/8" | 1 43/64" | 250° | 000000000 | 00000 |
2 1/4"-12 | 3 1/2" | 1 15/16" | 250° | 000000000 | 00000 |
2 1/2"-12 | 4" | 2 3/16" | 250° | 000000000 | 00000 |
2 3/4"-12 | 4" | 2 3/16" | 250° | 000000000 | 00000 |
3"-12 | 4 1/2" | 2 41/64" | 250° | 000000000 | 000000 |