The BRASS LOCK NUT NYLON UNF 1/2"-20 is designed to provide a reliable locking mechanism, featuring a hex shape and a nylon-filled collar that grips onto the screw threads. This ensures a stable connection even in high-vibration environments, making it ideal for automotive and industrial applications. Constructed from high-quality brass, this nut offers excellent corrosion resistance and longevity. Use this lock nut to improve the performance and safety of your assemblies.