Metric shoulder bolt

Metric shoulder bolts

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

Metric shoulder bolts

Metric shoulder bolt

Allen

Allen (hex socket) drive is a six-sided recess for use with an allen wrench (hex key).

See also

Metric socket product

Metric socket products

Screws with an allen wrench drive.