Outstanding service life in metal. High-speed steel, ground for long-lasting performance. Do you need durable drill bits to enable easy spot drilling without centre holes? Then the PRO Metal HSS-G twist drill is the right choice. It allows you to drill effectively and place holes exactly where they should be. PRO Metal HSS-G drill bits are a good choice for builders and installers who need durable metal drill bits for drilling in alloyed and unalloyed steel, non-ferrous metals, cast iron, plastics and wood. They are made from high quality high speed steel and ground for strength, heat resistance and precision. The cross-ground drill point enables precise drilling.