What is hardware handles the self-locking screw?
the self-locking screw locking screw hardware shake handshandle is refers to does not need to use the self tapping screw, nut thread tapping type, the tail tip.
triangular teeth from the extrusion molding screw when screwed into the hole on the plastic metal materials, internal thread layer formed by squeezing effect in the hole and form a reliable locking screw thread connection; Triangular tooth self-locking screw is self tapping screw thread is the triangular teeth. The tail is sophisticated, triangular teeth. There are three prism thread.
this is hardware handles the locking screw is introduced.