Nylon Lock Nut Heat

360 locking purple nylon insert will not gall threads or remove plating better than an all metal flange lock nut.

Nylon lock nut heat.

Nylon lock nuts differ from a standard hex nut in that they have a nylon insert secured within the nut. Type nflg nylon insert flange lock nuts are used in applications where a wider bearing diameter is desired to cover the mating surface when seated while still offering a locking element. Since most screws and bolts are tapered at their threaded end and the first few threads may be damaged be sure that the nut is threaded on far enough for its. Be aware that flex top and nylon insert locknuts are basically one way fasteners because the locking feature is at one end they can only be installed one way locking feature last.

The nylon insert locknut comes with an insert that fits the threads of the screw it is placed on and causes a gripping action due to the friction it creates. Lock nuts are hex nuts with a nylon lock nuts are hex nuts with a nylon insert. A nyloc nut also referred to as a nylon insert lock nut polymer insert lock nut or elastic stop nut is a kind of locknut with a nylon collar that increases friction on the screw thread. This in turn lessens the chance that the nut will become loose because of vibrations.

The nylon collar insert is placed at the end of the nut with an inner diameter id slightly smaller than the major diameter of the screw. Although the name nylon insert locknut creates the impression that they actually lock they do not. When you install the nylon lock nut onto a bolt or threaded stud the nylon insert wraps around the threads and locks the nut in place. The flat side of the lock nut should sit flush with the material once tightened.