Midwest Fastener #8 Internal Tooth Lock Washer

The Midwest Fastener #8 Internal Tooth Lock Washer provides reliable fastening security and prevents hardware from loosening under severe vibration. Its internal teeth bite firmly into mating surfaces and fastener heads, delivering enhanced holding power for mechanical, automotive, and assembly applications. Constructed from quality Grade 2 steel with a protective zinc finish, this washer offers dependable strength and corrosion resistance across various indoor and outdoor fastening tasks.