that is a variation in the counter sunk screw head, nevertheless the less than surface of The pinnacle is curved, like a bugle. This lowers harm to plasterboard minimizing tearing in the paper, so is often uncovered on drywall screws comprehension the reasons will allow you to pick the most effective just one with the task. This allows you to comp

Breakaway head The breakaway head (also called breakoff or shear fastener)[70] is really a high-safety fastener whose head breaks off during set up, during or instantly after the driving method, to leave just a easy surface area. It typically is made up of a countersunk flat-head bolt, with a skinny shank and hex head protruding from your flat head