Enhance the security of your fastening applications with this Internal Tooth Lockwasher. Crafted from durable steel and coated with zinc for added protection against corrosion, this essential hardware component ensures a reliable grip. With an outside diameter of .682 inches and a thickness of .036 inches, it is designed to fit perfectly in your assembly. The internal tooth design provides maximum locking power, while the 3/8-inch hole size accommodates standard fasteners. RoHS compliant, this lockwasher is not only efficient but also environmentally friendly. Trust in its quality to keep your components securely fastened in place.