Internal Tab Keyed Washer

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Internal tab keyed washer.

The tabs prevent the washer from rotating under the bolt or in relation to a shaft. Please select a size below for further information and 3d model. Internal tab lock washers external tab lock washers and lock washers are designed to be utilized in critical assemblies such as naval ships power plants and in heavy equipment preventing bolts from coming loose. The internal tab prevents the shaft from rotating.

Cadmium type i ii c1 c2 zinc type ii iii z2 z3 other finishes also available. The external or internal tabs of the tab lock washer are bent over mating parts to create a physical lock for bolts and nuts. Choose from our selection of tab lock washers countersunk external tooth lock washers metric tab lock washers and more. The internal tabs prevent shaft rotation whole external tabs can lock into holes or over the edge of the assembly base.

Internal tab formed key washer. Steel crs customary finishes. Formed key washers are designed to lock into the base material or assembly with the external key to prevent the washer s rotation. With an oversized outside diameter these washers distribute your fastener s load over a larger surface area than other internal tooth lock washers to limit damage to soft material.

Tab washers are available with a wide variety of both internal and external tab configurations.