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5/16"-24 x 1-1/4", US

US Fasteners, 5/16"-24 x 1-1/4"

Hex bolt

Hex bolts

Bolts 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.

Socket product

Socket screws

Screws with an Allen wrench drive.

Set screw

Set screws

Screws with no head and machine threads for use in a tapped hole.