Internal Tab Washer

Use with fasteners that have heads large enough to make contact with the external teeth such as pan button and binding head screws.

Internal tab washer.

Tab and lock washers are also utilized in environments that feature excessive heating or consistant vibrations. Tabs may be bent or engage into keyways or slots in connected surfaces to provide a positive locking surface. 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. Catalogue washers circlips seals rings washers tab washers internal tab.

They work to lock a part in place and are most often used in applications where there are drastic heat conditions or heavy vibrations. 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. The combination of internal and external teeth boosts gripping power to maintain a tight hold and provide more vibration resistance than other tooth lock washers.