5 EASY FACTS ABOUT TYPES OF SCREW HEAD PUNCH DESCRIBED

The Robertson screwdriver, also referred to as a sq. screwdriver, incorporates a sq.-shaped tip. Invented by Peter Lymburner Robertson in copyright, this type of screwdriver is widely used in woodworking and design tasks. It provides outstanding torque transfer and minimized cam-out, rendering it a well known option amongst Canadian DIYers and pros