Generally refers to the thread-tapping, tapping, does not need to be used with nuts. Screw head has a lot of categories, with Hexagon head, Pan head, countersunk head, Hexagon socket head. Umbrella, haircuts, and so on. And the tip of the tail is generally. Tapping effect.
Self tapping screw self tapping screws. Names are not the same, but the meaning is the same. Are self-tapping. Tapping screw is the most essential function does not need to be used with nuts, on the cost of it, saving a large number of. No nuts cost fee.
Self tapping screws there are many commonly used, for example cross recessed Pan head self tapping screw, countersunk head tapping screws with gasket self tapping screw, truss head tapping screw, self-tapping screws cut tail, last triangle of a post written by the locking bolt. Delta Dental auto-locking screws in the market is very wide. Customers very much. Definition interested friends can take a look at the locking bolt, self-locking screws definitions and basics of triangular teeth. Convenient for us to know and learn.