US Fasteners |
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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Screws with an allen wrench drive.
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Nuts have internal machine threads, for use with machine thread bolts and screws.
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Used to spread the load of a bolt or screw over a larger area or to help prevent loosening under vibration.
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Screws with an unthreaded shoulder that is larger in diameter than the threads. Also known as stripper bolts.
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