Hex nut with a nylon-filled collar at its back end.
When a screw reaches the collar, the threads and nylon engage for a tight, frictional fit.
Restricts movement of the screw when it is subjected to vibration.
Designed to be used with like-material machine screws and bolts.
Reusable.
Hex nut with a nylon-filled collar at its back end. When a screw reaches the collar, the threads and nylon engage for a tight, frictional fit. Restricts m