Internal External Tab Washer

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.

Internal external tab washer.

Multiple product options available. Lock washers are used with the km kml 3074 3015 3072 3016 hm n and an series of lock nuts that are designed for this purpose. External keyed 5 internal keyed 2. Din 462 and din 5406 washers meet international standards for lock washer dimensions.

Internal and external tooth lock washers have teeth along the inside diameter outside diameter or both. Catalog view list. 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. Made of steel they re strong and flexible.

The teeth grip the fastener and workpiece to prevent the fastener from loosening. Like any other washer external tab washers prevent the movement of components in an assembly from rotating in reaction to a shaft. 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. Tab washer 25 special interest promotional items 25 tab washers.

A2 stainless steel external tooth lock washer. 316 stainless steel internal tooth lock washer. Just like its internal tab counterpart these washers come in a wide range of dimensions starting from an outer diameter of 2 mm all the way up to an outer diameter of 152 mm. The external or internal tabs of the tab lock washer are bent over mating parts to create a physical lock for bolts and nuts.

Internal external tooth type a 16 light duty 86 serrated 6 serrated external teeth 15 serrated internal teeth 10 spring lock 50 square ends 40. Spring lock washers with external teeth grip components using their teeth in addition to spring tension. 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. They also have an inner tab that sits in the shaft or spindle s keyway to prevent the nut from loosening.