Enhance the security of your fastening applications with this External Tooth Lock Washer. Designed to prevent loosening and provide a reliable hold, this washer features a durable steel construction. With an outside diameter of .467 inches and a thickness of .024 inches, it offers a precise fit for #12 hole sizes. Compliant with ASME B18.21.1 standards and RoHS regulations, this washer ensures both quality and environmental responsibility. Upgrade your assembly processes with this essential component for industrial and DIY projects.