The internal tab prevents the shaft from rotating.
Internal tab keyed washer.
Shims for keyed shafts.
Internal tab formed key washer.
Tab washers are available with a wide variety of both internal and external tab configurations.
Formed key washers are designed to lock into the base material or assembly with the external key to prevent the washer s rotation.
Choose from our selection of tab lock washers countersunk external tooth lock washers metric tab lock washers and more.
Tab washer 25 special interest promotional items 25 tab washers.
Steel crs customary finishes.
The internal tabs prevent shaft rotation whole external tabs can lock into holes or over the edge of the assembly base.
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 external or internal tabs of the tab lock washer are bent over mating parts to create a physical lock for bolts and nuts.
Please select a size below for further information and 3d model.
Cadmium type i ii c1 c2 zinc type ii iii z2 z3 other finishes also available.
Catalog view list.