5 Simple Techniques For types of screw heads
Hex head screws can be a sort of equipment screw. they don't seem to be the same as Hex socket head screws mainly because Hex head screws Have got a hexagonal shaped head and will only be tightened with a wrench. there is not any inner socket as there is with Hex socket formed screws. flat head screwhex head screwlag screwsPhillips screw headRober