Bosch Step drill bit Hss-AlTiN step drill bits 2608588068

Features: Drilling Several Diameters HSS AlTiN Step Drill Bit performs smooth drilling in several diameters with one drill bit 3-flat shank prevents slipping in the chuck of rotary drills and drivers CNC ground spiral flute enables optimised chip removal and less vibration for even drilling Highest cutting smoothness due to axial and radial relief grinding Made of HSS for a long lifetime. Laser-markings for hole diameters. AlTiN coating for maximum lifetime, laser-markings for hole diameters, 3-flat shank for high-torque transmission The HSS Step Drill Bit performs smooth, burr-free drilling in several diameters with one drill bit. It is ideal for deburring, for drilling round holes and for enlarging existing ones. Pre-punching is not necessary, because the split-point tip allows for an easy start. Its CNC ground spiral flute enables optimised chip removal and less vibration for even drilling. The highest cutting performance and absolute smoothness are guaranteed due to axial and