1/2-13 UNC 18-8 Heavy Hex Lock Nut with Expanding Flex Top MPN:50FK-813

This 1/2-13 UNC 18-8 stainless steel heavy hex lock nut is ideal for securing bolts in place with a high degree of security. Its expanding flex top technology ensures that it will never back off, preventing any loosening or movement once properly tightened. The extra-long threads provide an increased amount of grip and strength, providing added peace of mind when securing critical components in place. It measures 1.9875 inches in diameter by 3/4 inches in width making it suitable for various applications. Its high polish finish provides a clean and attractive appearance while the 18-8 stainless steel construction offers rust resistance. This lock nut is perfect for use on boat trailers, automotive projects, trucks or any other equipment that requires a durable and dependable fastening solution.