Midwest Fastener 1/4 in.-20 Stainless Steel Nylon Insert Lock Nut, 20-Pack

The Midwest Fastener 1/4 in.-20 Stainless Steel Nylon Insert Lock Nut, 20-Pack is designed to deliver reliable fastening performance in demanding environments. Built from durable stainless steel, these lock nuts offer excellent resistance to rust and corrosion, making them suitable for both indoor and outdoor applications. Featuring an integrated nylon collar, this lock nut grips the mating bolt threads tightly to prevent accidental loosening caused by vibration, shock, or movement. It is ideal for mechanical, automotive, agricultural, and general hardware assemblies requiring dependable fastening security.