Midwest Fastener 12 mm-1.50 Nylon Insert Lock Nut

The Midwest Fastener nylon insert lock nut provides dependable locking capability for demanding hardware and mechanical assemblies. Designed with an integrated nylon ring, it creates friction against mating threads to resist loosening under extreme vibration, shock, and torque. Constructed from durable steel with a corrosion-resistant zinc finish, this metric lock nut delivers long-lasting performance across automotive, industrial, and agricultural fastening projects.