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Washers made with small sharp teeth either on the inside, outside or both, that bite into the fastener and material to stop it from coming loose due to movement or vibration.
Washers that have a high thickness and a smaller outer diameter that allow for use in tight spaces. Generally for use with socket head cap screws.
Washers that use a positive locking action when compressed in order to secure bolts or nuts to prevent them from loosening when exposed to vibrations.Featured Products >