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Specifications Met Specifications Met | Hide |
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Warning: Products have one, but not necessarily all, of the selected characteristics.
System of Measurement System of Measurement |
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Locking Type Locking Type |
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 | Distorted Thread |
Material Material |
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Finish Finish |
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Fastener Strength Grade/Class Fastener StrengthGrade/Class  |
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Distorted Thread Type Distorted Thread Type |
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 | Top Lock |
Hex Nut Profile Hex Nut Profile |
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 | Standard |
Thread Direction Thread Direction |
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Thread Type Thread Type |
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Thread Spacing Thread Spacing |
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Drive Style Drive Style |
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Thread Fit Thread Fit |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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About Nuts, Materials, and Finishes
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Metric Medium-Strength Steel Top-Lock
Distorted-Thread Locknuts—Class 8
An irregularly shaped thread at the top of the nut grips the bolt for a stronger hold than nylon-insert locknuts. They thread on from the bottom of the nut, allowing more threads to engage the bolt before tightening for easier installation than center-lock distorted thread locknuts. The strength of the bolt should match the strength of the nut to prevent damaging threads. They're not reusable. Comparable in strength to Class 8.8 bolts, they're suitable for fastening most machinery and equipment. A zinc or zinc yellow-chromate plating provides corrosion resistance in wet environments.
For technical drawings and 3-D models, click on a part number.
Thread | |||||||
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| Size | Pitch, mm | Wd., mm | Ht., mm | Specifications Met | Pkg. Qty. | Pkg. | |
Zinc-Plated Steel—Class 8 | |||||||
| M3 | 0.5 | 5.5 | 3.7 | DIN 980V | 50 | 000000000 | 000000 |
| M4 | 0.7 | 7 | 4.2 | DIN 980V | 100 | 000000000 | 00000 |
| M5 | 0.8 | 8 | 5.1 | DIN 980V | 100 | 000000000 | 00000 |
| M6 | 1 | 10 | 6 | DIN 980V | 100 | 000000000 | 0000 |
| M8 | 1.25 | 13 | 8 | DIN 980V | 50 | 000000000 | 0000 |
| M10 | 1.25 | 17 | 10 | DIN 980V | 25 | 000000000 | 0000 |
| M10 | 1.5 | 17 | 10 | DIN 980V | 25 | 000000000 | 0000 |
| M12 | 1.25 | 19 | 12 | DIN 980V | 25 | 000000000 | 00000 |
| M12 | 1.5 | 19 | 12 | DIN 980V | 10 | 000000000 | 00000 |
| M12 | 1.75 | 19 | 12 | DIN 980V | 25 | 000000000 | 00000 |
| M14 | 1.5 | 22 | 14 | DIN 980V | 10 | 000000000 | 00000 |
| M14 | 2 | 22 | 14 | DIN 980V | 10 | 000000000 | 00000 |
| M16 | 1.5 | 24 | 16 | DIN 980V | 5 | 000000000 | 00000 |
| M16 | 2 | 24 | 16 | DIN 980V | 10 | 000000000 | 00000 |
| M18 | 1.5 | 27 | 18 | DIN 980V | 1 | 000000000 | 0000 |
| M18 | 2.5 | 27 | 18 | DIN 980V | 5 | 000000000 | 00000 |
| M20 | 1.5 | 30 | 20 | DIN 980V | 1 | 000000000 | 0000 |
| M20 | 2.5 | 30 | 20 | DIN 980V | 5 | 000000000 | 00000 |
| M24 | 1.5 | 36 | 24 | DIN 980V | 1 | 000000000 | 0000 |
| M24 | 3 | 36 | 24 | DIN 980V | 1 | 000000000 | 0000 |
| M27 | 3 | 41 | 27 | DIN 980V | 1 | 000000000 | 0000 |
| M30 | 3.5 | 46 | 30 | DIN 980V | 1 | 000000000 | 0000 |
Zinc Yellow-Chromate Plated Steel—Class 8 | |||||||
| M36 | 4 | 55 | 36 | DIN 980V | 1 | 000000000 | 0000 |