Midwest Fastener #2 Internal Tooth Lock Washer

The Midwest Fastener #2 Internal Tooth Lock Washer is designed to prevent nuts, bolts, and screws from loosening due to vibration and torque. Featuring internal teeth that bite into the mating surface, it provides enhanced holding power and reliable electrical grounding. Constructed from durable steel with a protective zinc finish, this internal tooth lock washer offers dependable strength and corrosion resistance for a variety of automotive, industrial, and general fastening applications.