US Fasteners, 5/16" x 1/2", Nylon

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  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.

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  Machine screws

  Screws with machine threads for use with a nut or in a tapped hole.

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  Studs, Rod & Stock

  Studs, threaded rod, unthreaded rod and keystock for industrial, machining and manufacturing applications.