The BRASS LOCK NUT NYLON UNC 3/8"-16 is engineered for reliability in various applications. Featuring a hexagonal shape, this nut utilizes a nylon insert that creates pressure against the fastener, ensuring a tight fit that prevents loosening from vibrations. Made from corrosion-resistant brass, it is ideal for demanding environments where durability and performance are critical. Perfect for automotive and industrial use, this lock nut offers enhanced security and stability for your fastening needs.