Milwaukee 05-90-0106 Split Ring

About the Milwaukee 05-90-0106 Split Ring

A split lock washer is a ring split at one point and bent into a helical shape. This causes the washer to exert a spring force between the nut or other type of fastener to the surface in which its being fastened too. The split ends maintain the washer hard against the substrate and the bolt thread hard against the nut or substrate thread,