![External Tooth Lock Washers](https://s3-us-west-2.amazonaws.com/fastenersuperstore.com.files/images/categories/washers-external-tooth-lock.png)
External Tooth Lockwashers
External Tooth Lockwashers are available in steel with zinc, black zinc, black oxide or yellow zinc finish, and in 18-8 or 410 stainless steel. Countersunk style is available in steel / zinc or zinc yellow. Featuring twisted prongs extending from the outer edge, external tooth lockwashers offer a larger locking radius than other locking washers, providing greater holding strength.