Enhance the security of your fastening applications with this External Tooth Lock Washer. Made from durable steel with a protective zinc coating, it ensures reliable performance in various environments. Designed to fit a hole size of 3/4 inches, this washer features an outside diameter of 1.24 inches and a thickness of .051 inches. Its ASME B18.21.1 specification guarantees quality and precision. The internal diameter of .782 inches accommodates standard fasteners, while the external tooth design provides a secure grip. Whether for industrial or DIY use, this washer is essential for preventing loosening and maintaining the integrity of your assemblies. It does not contain any restricted substances, ensuring compliance with RoHS regulations. Upgrade your fastening system with this high-quality External Tooth Lock Washer.