Enhance the security of your fastening applications with our Internal Tooth Lockwasher. Made of durable steel with a protective zinc coating, this lockwasher ensures reliable performance and longevity. With an outside diameter of .75 inches and a thickness of .036 inches, it is designed for precision and efficiency. The internal tooth design provides a secure grip, while the .455-inch inside diameter and 7/16-inch hole size offer compatibility with various screws and bolts. Rest assured, this lockwasher meets high-quality standards and is essential for maintaining the integrity of your assemblies.