Midwest Fastener 3/8 in.-16 Nylon Insert Lock Nut

The Midwest Fastener 3/8 in.-16 Nylon Insert Lock Nut is engineered to deliver secure, vibration-resistant fastening across automotive, mechanical, and hardware applications. Designed with an internal nylon collar, this lock nut grips mating threads tightly to eliminate accidental back-off during continuous operation. Featuring a protective zinc-plated finish, this coarse-thread locking nut offers corrosion resistance for dependable performance in general construction and maintenance assemblies.