Draper Hss Turbo Titanium Drill Bit Set (19 Piece) | Dbts6These high speed steel drill bits have three cutting points, which are self centring and enable much faster drilling. Manufactured with a titanium and black coating for a long service life. Fully ground with a 135 split point to prevent drill wander. Fitted with a triangular flattened shank, which prevents the drill bit from slipping in the chuck. Draper Titanium Series drill bits work best in conjunction with a cooling agent. Suitable for use with