Pointed tail self-tapping screws

A kind of self-tapping screw, also known as “iron die” screw, the screw has a pointed tail. It is not necessary to tap the lock, and the pointed tail screw can be used for direct tapping. Because there is a need for direct tapping, its material is carburized and heat-treated to increase hardness. The locks are often made of wood, iron plates, etc. According to its head shape, it can be divided into round head, big flat head, dish head, hexagonal washer head, etc.

Item number: BSA