A hex nut pre-assembled with a free spinning external tooth lock washer.
The locking action is achieved when the nut is tightened against a bearing surface as the teeth of the lock washer dig into it.
The most popular type of locknut because of its versatility, cost and ease of installation.
Steel, zinc plated.
Keps nuts, also known as K lock nuts. A hex nut pre-assembled with a free spinning external tooth lock washer. The locking action is achieved when the nut