Midwest Fastener 1/4 in.-20 Nylon Insert Lock Nut

The Midwest Fastener 1/4 in.-20 Nylon Insert Lock Nut is designed to provide secure, vibration-resistant fastening in a wide range of automotive, agricultural, and general hardware applications. Featuring an integrated nylon collar that creates friction against the mating bolt threads, this lock nut resists backing off without damaging threads. Constructed with a protective zinc-plated finish, this coarse-thread lock nut offers excellent corrosion resistance and dependable durability for both indoor and outdoor use.