US, 4-1/2", 24, Zinc plated steel
US Fasteners, 4-1/2", 24, Zinc plated steel |
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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. |
Machine screwsScrews with machine threads for use with a nut or in a tapped hole. |