Industrial Tools

A hex socket - short for hexagonal - is a socket that fits around a hexagonal (six sided) nut or bolt head. There are two types of hex sockets - six point and twelve point. The six-point hex socket has six points (angles) inside the bolt end, making a perfectly even hexagon.

Pipe wrench. ... Another type of wrench often used on pipes, the plumber wrench, is also called a pipe wrench in some places. The Stillson wrench is an adjustable wrench (spanner) with hardened serrated teeth on its jaws.