Midwest Fastener 1/4 in. External Tooth Lock Washer

The Midwest Fastener 1/4 in. External Tooth Lock Washer is designed to provide secure fastening and prevent loosening caused by vibration. Featuring external teeth that bite into mating surfaces, it delivers superior holding power for mechanical and hardware assemblies. Constructed from durable Grade 2 steel with a corrosion-resistant zinc finish, this external tooth lock washer provides reliable performance across automotive, agricultural, and general fastening applications.