Midwest Fastener 1/2-13 Stainless Steel Nylon Insert Lock Nut, 12-Pack

The Midwest Fastener Lock Nut with Nylon Insert provides dependable holding power for a wide variety of industrial, automotive, and general hardware assemblies. Engineered with an integrated nylon collar, this lock nut grips bolt threads tightly to prevent back-off and loosening caused by severe vibration, shock, or dynamic loads. Constructed from premium stainless steel, this fastener delivers outstanding corrosion resistance and longevity in both indoor and harsh outdoor environments. Ideal for demanding mechanical assemblies and everyday repairs, it ensures a secure, reliable fastening connection.