Enhance security in your fastening applications with our External Tooth Lock Washer. Crafted from durable Phosphor Bronze, this washer ensures reliable performance and corrosion resistance. With a precise outside diameter of .682 inches and a thickness of .036 inches, it is designed to fit snugly into your assembly. Compliant with ASME B18.21.1 standards and RoHS regulations, this washer guarantees quality and environmental responsibility. Its unique toothed design provides a tight grip, preventing loosening due to vibration or shifting. Ideal for use with a 3/8-inch hole size, it offers essential reinforcement in various industrial and mechanical settings. Upgrade your fastening solutions with this essential component.