Metric Din 982 Hex Nylon Insert Locknut High Type A4 Stainless Steel

Hex nut with a metric thread pitch and a nylon-filled collar at its back end. This “high-type” nut is 20-40% thicker in overall height than the standard DIN 985 variety. When a screw reaches the collar, the threads and nylon form a tight, frictional fit, restricting movement of the screw when it is subjected to vibration. The nylon insert comes in various colors