US Fasteners |
Flange bolts have a flange on the bottom of the head that distributes the load like a washer.
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Screws with machine threads for use with a nut or in a tapped hole.
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Bolts with no drive, and machine threads for use with a nut.
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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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Provides a grip for where hand loosening or tightening is needed. Commonly used in applications such as access panels and where frequent adjustment is required.
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