Enhance the security of your fastening applications with this External Tooth Lock Washer. Made of durable steel with a protective zinc finish, it ensures reliable performance even in demanding environments. Compliant with ASME B18.21.1 specifications, this washer features an outside diameter of .252 inches and a thickness of .015 inches. Its precise design, including an inside diameter of .119 inches and a hole size of #4, guarantees a perfect fit for your assembly needs. Rest assured, this washer is RoHS compliant, making it a sustainable choice for your projects. Upgrade your fastening solution with this essential component for added stability and peace of mind.