Zinc plated steel, 4", External hex, 14
US Fasteners, Zinc plated steel, 4", External hex, 14 |
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Sheet metal screwsScrews with large threads for use in sheet metal sometimes also used in plastic, fiberglass or wood. |
Hex boltsBolts with hexagonal heads and machine threads for use with a nut or in a tapped hole. Also known as hex cap screws or machine bolts. |