THE DEFINITIVE GUIDE TO TYPES OF SCREW HEADS UK

Screw head push types all have varying amounts of Keeping power, resistance to cam out, and simplicity of use with different instruments.This is called “cam out.” More secure compared to the slotted drive and may be used with electrical screwdrivers. A pozi drive screw is analogous, but has an additional cross to cut back cam out. A Philips scr