NYLOK NUT M/FINE 20MM X 1.5 E/G

A nyloc nut is a hex nut with an integrated nylon insert at the top. The nylon collar grips the threads of the bolt when tightened, providing a locking action that resists loosening from vibration and movement. Unlike a standard hex nut, a nyloc nut maintains tension even under dynamic loads, making it a reliable choice for assemblies that experience continuous motion or shock.