Bosch HSS Step Drill Bit

The 6mm - 39mm Bosch HSS Step Drill Bit is designed for larger holes in thin materials, with one of the biggest upper diameters in the series. It is ideal for enlarging existing holes and drilling clean round holes without changing bits. The split-point tip allows an easy start without pre-punching. The CNC ground spiral flute supports optimised chip removal and even drilling. It is suitable for non-ferrous metals, sheet plastic, sheet steel, plastic and stainless steel, and offers a long lifetime when used with coolant. Features and Benefits: • Smooth, burr-free drilling in several diameters with one bit • Split-point tip for an easy start • 3-flat shank prevents slipping in the chuck • CNC ground spiral flute for optimised chip removal and less vibration • Axial and radial relief grinding for absolute smoothness • Laser-marked hole diameters for easy identification Specifications: Hole Diameter Range: 6mm - 39mm Material: HSS (high-speed steel) Shank Type: 3-flat