7/16"

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.

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

Construction screws intended for fastening drywall sheets to studs.

Screws with an Allen wrench drive.

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

Bolts or screws with a circular ring on the head.

Unthreaded sleeves that fit over bolts or screws to maintain space between components.

Screws with an unthreaded shoulder that is larger in diameter than the threads. Also known as stripper bolts.

Pins and clips are used to secure or align fasteners or parts on machinery.