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Fastener Strength Grade/Class Fastener StrengthGrade/Class | Show |
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System of Measurement System of Measurement |
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Thread Size Thread Size |
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Locking Type Locking Type |
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 | Nylon Insert |
Material Material |
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Finish Finish |
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Hex Nut Profile Hex Nut Profile |
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 | Standard |
Thread Direction Thread Direction |
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 | Right Hand |
Insert Maximum Temperature Insert Maximum Temperature |
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Thread Fit Thread Fit |
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Drive Style Drive Style |
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 | External Hex |
About Nuts, Materials, and Finishes
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Medium-Strength Steel Nylon-Insert
Flange Locknuts—Grade F
These locknuts have a nylon insert that firmly grips threads to resist loosening and a flange that distributes the load over a large area. They’re reusable, but their holding power lessens with each use. Made from Grade F steel, they're comparable in strength to Grade 5 bolts and are suitable for fastening most machinery and equipment. A zinc plating provides corrosion resistance in wet environments. Height includes the flange.
For technical drawings and 3-D models, click on a part number.
Flange | ||||||||
|---|---|---|---|---|---|---|---|---|
| Thread Size | Wd. | Ht. | Dia. | Thick. | Insert Max. Temp., °F | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel—Grade F | ||||||||
| 6-32 | 5/16" | 13/64" | 0.422" | 0.02" | 250° | 100 | 000000000 | 000000 |
| 8-32 | 11/32" | 1/4" | 0.469" | 0.02" | 250° | 100 | 000000000 | 00000 |
| 10-24 | 3/8" | 17/64" | 0.5" | 0.03" | 250° | 100 | 000000000 | 0000 |
| 10-32 | 3/8" | 17/64" | 0.5" | 0.03" | 250° | 100 | 000000000 | 0000 |
| 1/4"-20 | 7/16" | 19/64" | 0.56" | 0.04" | 250° | 100 | 000000000 | 0000 |
| 1/4"-28 | 7/16" | 19/64" | 0.56" | 0.04" | 250° | 100 | 000000000 | 0000 |
| 5/16"-18 | 1/2" | 11/32" | 0.68" | 0.05" | 250° | 50 | 000000000 | 0000 |
| 5/16"-24 | 1/2" | 11/32" | 0.68" | 0.05" | 250° | 50 | 000000000 | 0000 |
| 3/8"-16 | 9/16" | 13/32" | 0.81" | 0.06" | 250° | 50 | 000000000 | 0000 |
| 3/8"-24 | 9/16" | 13/32" | 0.81" | 0.06" | 250° | 50 | 000000000 | 0000 |
| 7/16"-14 | 11/16" | 15/32" | 0.93" | 0.07" | 250° | 25 | 000000000 | 0000 |
| 1/2"-13 | 3/4" | 35/64" | 1.07" | 0.08" | 250° | 25 | 000000000 | 0000 |
| 1/2"-20 | 3/4" | 35/64" | 1.07" | 0.08" | 250° | 25 | 000000000 | 00000 |
| 5/8"-11 | 15/16" | 43/64" | 1.33" | 0.1" | 250° | 10 | 000000000 | 0000 |
| 3/4"-10 | 1 1/8" | 13/16" | 1.585" | 0.11" | 250° | 5 | 000000000 | 0000 |