TYPES OF SCREW HEADS - AN OVERVIEW

A slotted or flat travel screw head demands a flat blade or slotted screwdriver or little bit to tighten or loosen. They are really built which has a slotted flat line in the head to permit a flat blade to tighten/loosen this kind of head. Countersunk screw heads come in a variety of designs. the commonest types are flat and oval screw heads. We'l