Products - Bolt Index - External Serrated Lock Washer
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External Type Lockwashers

Provide maximum torsional resistance.
Work best with larger head screws (round, pan, binding, etc.)
Part numbers shown are for washers made of spring steel. These washers are also available in bronze and bronze alloy and in 400 series stainless steel. Many of these are in stock at WCL. In addition, Toothed Lock washers are in stock and produced from 300 series stainless steel and Alloy Bronze. Other materials are available upon request. Specify material and finish using the correct dash number when inquiring or ordering.