Enhance the security of your fastening applications with this high-quality External Tooth Lock Washer. Designed for reliable performance, this washer is crafted from durable 410 Stainless Steel, ensuring longevity and corrosion resistance. With an outside diameter of .373 inches and a thickness of .021 inches, it provides a precise fit for #8 hole sizes. Compliant with ASME B18.21.1 specifications and RoHS regulations, this washer guarantees both quality and environmental responsibility. The external tooth design offers superior grip and prevents loosening, making it ideal for a wide range of industrial and DIY projects. Upgrade your fastening system with this essential component that combines functionality, durability, and compliance.