THE 5-SECOND TRICK FOR TYPES OF SCREW HEADS

A slotted or flat push screw head requires a flat blade or slotted screwdriver or little bit to tighten or loosen. They may be made using a slotted flat line through the head to allow a flat blade to tighten/loosen this sort of head. Countersunk screw heads appear in a number of styles. the commonest types are flat and oval screw heads. We will ev