EXACT 3-Piece Step Drill Bit Set for Metal, 30mm Max, 4mm Min, HSS Bits / 499453

Step drill, straight tap, HSS TiAlN. HSS step drill with straight tap, two-edged TiAlN coating, for particularly tough materials For burr-free drilling and planing sheet metal, pipes and profiles No centre-punching necessary, drill bits do not run Suitable for construction steel, CrNi steel, non-ferrous metals, Plexiglas, plastics and wood up to 6 mm thick Diameter specification is lasered on every level Three-faced driving shaft, prevents slipping in the drill chuck Sets delivered in a plastic case