Internal /External Tooth Lockwasher

Internal/External Tooth Lockwasher. A hardened circular washer with twisted prongs or teeth protuding from both the inside and outer edges of the washer. Preferred lockwasher in the collowing situations: (1) where a larger bearing surface is desired; (2) for an optimum electrical connection; (3) where the hole is oversized or out of round; (4) as an insert between two adjustable pieces where a longitudinal or rotational adjustment must be maintained. *ZB - BLUE ZINC