Dormer A002 titanium nitride tip HSS drills – Small pack & full pack Product information High quality Dormer A002 high speed steel drill bit (HSS) available in various different sizes. Features include a titanium nitride coating applied to the main working surfaces of the drill bit to increase the performance. It works to prevent it wearing as fast and lowers the rate of friction. It also has Dormers special P.S.Point at the tip which helps with accurate drilling and ease of penetration. The wide flutes help to extract the spare material quickly and efficiently. A very popular selling drill bit amongst steel workers. Good quality at a good price. Available in single packs or in a box quantity. Suitable for use in a standard chuck up to 13mm.