The LOCK NUT NYLON UNF ZINC 5/16"-24 GR 8 is engineered for high-performance fastening in demanding environments. Made from robust zinc-plated steel, this Grade 8 lock nut features a nylon insert for enhanced locking capability, preventing loosening due to vibrations. Ideal for automotive and industrial applications, it provides secure connections in assemblies that require durability and strength. This 5/16"-24 thread size is compatible with a variety of standard bolts, making it a versatile choice for your fastening needs.