Enhance the security of your fastening applications with this External Tooth Lock Washer. Crafted from durable steel and featuring a yellow zinc finish coating for added protection against corrosion, this washer ensures reliable performance. Designed to fit #12 holes, it has an outside diameter of .467 inches and a thickness of .024 inches, meeting ASME B18.21.1 specifications. The external tooth design provides a secure grip, making it ideal for use in various industrial and mechanical settings. Rest assured of its quality, as it is not only RoHS compliant but also offers precise measurements with an inside diameter of .226 inches. Upgrade your fastening system with this essential component for peace of mind in your assemblies.