External hex, Steel, US, 1", 12
US Fasteners, External hex, Steel, 1", 12 |
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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. |