Not known Factual Statements About types of screw heads
Hex head screws can be a sort of device screw. they're not the same as Hex socket head screws simply because Hex head screws Have got a hexagonal shaped head and can only be tightened having a wrench. there is not any interior socket as There exists with Hex socket formed screws. flat head screwhex head screwlag screwsPhillips screw headRobertson