THE FACT ABOUT TYPES OF SCREW HEADS THAT NO ONE IS SUGGESTING

Breakaway head The breakaway head (also known as breakoff or shear fastener)[70] is usually a high-safety fastener whose head breaks off during set up, throughout or quickly following the driving approach, to depart just a sleek area. It ordinarily includes a countersunk flat-head bolt, with a skinny shank and hex head protruding from your flat hea