Hex Washer Head Machine Screws are intended for use with a threaded hole or a nut. Hex Washer Head Machine Screws are threaded fasteners with a hex head and built-in washer extending beyond the hex, providing the Hex Washer Head with a greater bearing surface. They provide high clamping force, resist loosening, and are commonly used in engine, chassis, body and interior assembly. Finish: Zinc & Hexavalent Black.
Bulk Group: MACHINE SCREWS - Hex Washer
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Description |
Part # |
Price |
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|---|---|---|---|
| 5/16-18 X 3/4 HXWA TR3 MS BLK ZC. 4 pk | B-13990 | $4 |
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| 5/16-18 X 3/4 HXWA TR3 MS BLK ZC. 10 pk | B-13990-10 | $7 |
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| 5/16-18 X 3/4 HXWA TR3 MS BLK ZC. 25 pk | B-13990-25 | $17 |
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| 5/16-18 X 3/4 HXWA TR3 MS BLK ZC. 50 pk | B-13990-50 | $31 |
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| 5/16-18 X 3/4 HXWA TR3 MS BLK ZC. 100 pk | B-13990-100 | $56 |
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| 5/16-18 X 3/4 HXWA TR3 MS BLK ZC. 250 pk | B-13990-250 | $125 |
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