0.5mm

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.

Screws with an Allen wrench drive.

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

Nuts have internal machine threads, for use with machine thread bolts and screws.

For adding a machine thread to material that otherwise cannot be tapped.

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