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

The Midwest Fastener 3/8-16 in. Nylon Insert Lock Nut is designed to provide secure, vibration-resistant fastening for a wide variety of automotive, agricultural, and general hardware applications. Featuring an integrated nylon collar, this lock nut grips the mating threads firmly to prevent accidental loosening under heavy vibration and dynamic loads. Constructed from premium stainless steel, this locknut delivers exceptional resistance to corrosion, rust, and harsh environmental conditions. Ideal for demanding outdoor and mechanical assemblies where dependable, long-lasting holding power is required.