Tab Lock Washer

Tab lock washers are available in the following materials and finishes.

Tab lock washer.

The ears are bent up by the user to lock the nut in place. Split star and tab lock washers are commonly used in airplane manufacturing. Tab lock washers are designed to prevent both the washer and the nut from rotating in an assembly. Tab lock washers are a type of round lock washer that are generally manufactured with tabs or notches that are designed to fit around bolts and nuts or made to lay flat.

Teeth bite into the joint for a tighter grip than split lock washers. Free shipping and free returns on prime eligible items. They work to lock a part in place and are most often used in applications where there are drastic heat conditions or heavy vibrations. Bend the tab of these lock washers against the flats of a hex nut or bolt head to prevent the fastener and washer from turning and loosening.

Tab lock washers bend one tab against the side of the mounting surface and the other tab against the flats on a bolt or nut to prevent both the fastener and washer from turning and loosening in high vibration applications such as a motor mount.