Enhance the security and stability of your fastening applications with this External Tooth Lock Washer. Crafted from durable stainless steel, it ensures reliable performance in demanding environments. Designed to fit a #8 hole size, it features an outside diameter of 0.373 inches and a precise thickness of 0.021 inches. Compliant with ASME B18.21.1 specifications and RoHS regulations, this washer guarantees quality and environmental responsibility. The unique external tooth design provides a secure grip, preventing loosening due to vibrations or other stresses. Perfect for a wide range of industrial and DIY projects, this washer is a essential component in any hardware toolkit.