Ensure secure fastening with this Internal Tooth Lockwasher. Crafted from durable stainless steel with a sleek black passivate finish, it offers reliable performance in various applications. With an outside diameter of .373 inches and a thickness of .021 inches, it is designed for #8 hole sizes, featuring an inside diameter of .172 inches. Compliant with RoHS standards, this lockwasher guarantees both quality and environmental responsibility. Trust in its precision engineering for effective locking and sealing in your assemblies.