Internal External Tab Washer

The teeth grip the fastener and workpiece to prevent the fastener from loosening.

Internal external tab washer. Catalog view list. 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. Please select a size below for further information and 3d model. 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.

Spring lock washers with external teeth grip components using their teeth in addition to spring tension. Din 462 and din 5406 washers meet international standards for lock washer dimensions. The external or internal tabs of the tab lock washer are bent over mating parts to create a physical lock for bolts and nuts. They also have an inner tab that sits in the shaft or spindle s keyway to prevent the nut from loosening.

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. Multiple product options available. 316 stainless steel internal tooth lock washer. A2 stainless steel external tooth lock washer.

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. 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. Internal and external tooth lock washers have teeth along the inside diameter outside diameter or both. 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 combination of internal and external teeth boosts gripping power to maintain a tight hold and provide more vibration resistance than other tooth lock washers. Internal keyed plain 11508194 ea. Use with fasteners that have heads large enough to make contact with the external teeth such as pan button and binding head screws. External keyed 5 internal keyed 2.