Screw Locking Overview

Screw Locking Inserts have all the characteristics of free running inserts but in addition, one or more coils in the middle of the screw lock insert are polygon shaped. These coils serve as a locking device by gripping the threads of the installed screw, effectively preventing the screw from loosening under vibration or impact.

Screw Locking Insert permit frequent removal and reassembly of bolts without appreciable loss of torque. They positively secure the screw against loosening caused by vibration and shock and they will not relax their grip on the screw even in tough metals such as cast iron, alloy steel, titanium etc.

How Thread Screw Locking Inserts Work:

One of the biggest misconceptions regarding locking type helical coil screw thread inserts is the insert has a feature that locks it into place in the parent material. This is not the case. Locking inserts apply a locking, or prevailing, torque on the male fastener.

Welcome to buy the screw locking thread inserts-how thread screw locking inserts work? in stock from our factory. As one of the leading threaded inserts manufacturers and suppliers in China, we can assure you of the high quality of our products made in China.