Internal Tab Formed Key Washer

Formed key washers are designed to lock into the base material or assembly with the external key to prevent the washer s rotation.

Internal tab formed key washer.

Cadmium type i ii c1 c2 zinc type ii iii z2 z3 other finishes also available. 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. Tab washers are a type of lock washer round in shape and often manufactured with a single tab or multiple tabs and notches that can be formed to shape around bolts nuts or designed to lay flat.

Tab washers and tab lock washers are available in materials such as low carbon steel stainless steel monel spring steel aluminum hastelloy and brass. 200pcs din 432 m12 washers 13mm id with external tab a4 stainless steel ships free in usa by aspen fasteners assp04324130 by aspen tab washers 241 89 241. Tabs may be bent or engage into keyways or slots in connected surfaces to provide a positive locking surface. Tab washers have an internal tab that fits into the keyway of a shaft and an outer tab is bent over into one of the slots located on the outside diameter of the nut.

Internal and external tab lock washers are available in a variety of outside and inside diameters to ensure a perfect match for the nuts bolts or fastening required of your application. Tab washers are an additional form of lock washer that features one or more internal or external notches or tabs designed to hold the nut in place in relation to the connecting bolt or stud. Catalogue washers circlips seals rings washers tab washers internal tab. Ideal for use in harsh environments tab washers effectively lock a part into place in applications requiring extreme heat conditions or heavy vibrations.

The internal tab prevents the shaft from rotating. Formed key washers are available in the following materials and finishes. Please select a size below for further information and 3d model.