TYPES OF SCREWDRIVER HEADS NAMES THINGS TO KNOW BEFORE YOU BUY

A variation with the TA will be the tri-level-3, that has rounded edges to overcome the TA’s considerably less- safe compatibility with hex drives. Measurements with the tri-angle drive are in measurements preceded by a TA prefix.Bolt (left) and Screw (correct) It’s very popular to use the conditions ‘screw’ and bolt’ and confer with a si