M5*0.8mm Black Internal Threads Repairing Key locking Thread Inserts

Key-locking thread inserts

Key locking insert is one thread both inside and outside, there is a specific fastenerof four or two bolt keys on the external
thread , Key locking insert kit into the bottom hole after tapping in, then four pins pressed into play a effect of strong
fastening. The products are mainly used for the military, aerospace, railway locomotives, vibration machinery etc. for thread
strength requirements for higher product used.