Step Drills HSSM2-TiN Kit

Professional Norton STEP DRILLS are designed to drill perfectly round holes in metals of thickness up to 4 mm. They are made with a 3 flats shank for an optimal torque transmission, no slippage and better cutting action. Norton TiN (Titanium Nitride) coated Step drills provide a longer tool life, as the TiN coating provides a high hardness and low friction coefficient.