Bosch Step drill bit Hss step drill bits 2608597524

Features: Drilling Several Diameters HSS Step Drill Bit performs smooth drilling in several diameters with one drill bit Hex shank for a strong connection and maximum torque transmission in three-jaw chucks and ¼"" internal hex tool holders 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. 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 radial relief grinding. This step drill bit is suitable for use on thin