US Fasteners, 5/16" x 1/2", 316 |
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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. |
Socket screwsScrews with an Allen wrench drive. |
Set screwsScrews with no head and machine threads for use in a tapped hole. |