Enhance the security of your fastening applications with this External Tooth Lock Washer. Crafted from durable stainless steel, it ensures reliable performance and corrosion resistance. The washer features a precision-designed outside diameter of .252 inches and a thickness of .015 inches, meeting ASME B18.21.1 specifications. Its internal diameter of .119 inches and hole size #4 provide a perfect fit for various screws and bolts. With its innovative design and RoHS compliance, this washer guarantees both functionality and environmental responsibility. Upgrade your hardware setup with this essential component for added stability and peace of mind.