Enhance the security of your fastening applications with this External Tooth Lock Washer. Crafted from durable steel with a zinc finish coating, it ensures reliable performance and corrosion resistance. Designed to fit #2 hole sizes, this washer features an ASME B18.21.1 specification, guaranteeing quality and precision. With an outside diameter of .184 inches and a thickness of .011 inches, it provides a snug and secure fit. Its internal diameter of .09 inches accommodates various fastener sizes. Whether for industrial or DIY projects, this washer is an essential component for maintaining tight and stable connections. Non-RoHS compliant.