This countersink features a high-speed steel construction with enhanced cobalt content (HSS-E), ensuring exceptional durability and heat resistance for prolonged use. With a 82° hole type, it is specifically designed to create clean and uniform countersunk holes with a consistent angle. The sharp cutting edges of the countersink efficiently remove material, leaving behind smooth and burr-free countersinks. Whether you're working with metal, wood, or plastic, the Toolex HSS-E Countersink delivers accurate results and helps achieve a polished finish.