Enhance the security of your fastening applications with this External Tooth Lock Washer. Crafted from durable steel with a yellow zinc finish coating, it offers reliable protection against loosening and vibrations. Compliant with ASME B18.21.1 specifications, this washer features an outside diameter of .467 inches and a thickness of .024 inches. The internal tooth design ensures a secure grip, with an inside diameter of .226 inches, suitable for #12 hole sizes. Rest assured of its environmental safety, as it is RoHS compliant. Upgrade your hardware with this essential component for peace of mind in your assemblies.