Fascination About types of screw heads for screwdrivers
Hex screw heads are of two types—external and interior. Exterior screw heads are hexagonal and protrude with the area, wanting comparable to a bolt head. Some hex exterior screw heads have in-constructed flanges, while some make do with the hexagon to the head.These screws have the appearance that there's a hat or cap on the top on the screw head