Ensure secure fastening with this Internal Tooth Lockwasher. Crafted from durable bronze, it features an outside diameter of .402 inches and a thickness of .021 inches. Designed for #10 hole size, it boasts an inside diameter of .199 inches, providing a snug fit for your fastening needs. Compliant with RoHS standards, it guarantees both quality and environmental responsibility in its design and manufacturing. Ideal for various applications, this lockwasher is a reliable choice for maintaining the integrity of your assemblies.