Bosch 3 Piece HSS Step Drill Bit Set

The Bosch 3 Piece HSS Step Drill Bit Set is a set of cone and stepped drill bits designed for smooth, burr-free drilling in several diameters with a single bit. It suits drilling round holes, enlarging existing holes and deburring in thin materials. The split-point tip allows an easy start, so pre-punching is not necessary. A CNC ground spiral flute provides optimised chip removal and less vibration for even drilling, while axial and radial relief grinding delivers cutting smoothness. The 3-flat shank helps prevent slipping in the chuck of rotary drills and drivers. Suitabl