The 2-Minute Rule for types of screw heads for screwdrivers
You can find far more heads that exist, but all absolutely are a variation or blend of these pursuing essential shapes:A square nut, shown in fig., is Employed in conjunction with a sq.-headed bolt. The spanner utilized for the nut may have an improved hold on a square nut than over a hexagonal nut.Pick out the ideal size screw: With the position o