Precision-ground machine tap, made from high-speed steel, cobalt alloy (HSS-CO). Vaporised for improved cutting ability and longer service life. Application area: Mainly for use with long-chipping materials, such as steel up to 1000 N/mm², rust and acid-resistant steels, special alloys and flexible plastics. Typical applications include blind and through hole threads in machine parts, tool manufacturing, housings and repair work in trade and industry.