Bosch HSS-AlTiN step drill bits

Key features

• HSS AlTiN Step Drill Bit performs smooth drilling in several diameters with one drill bit
• Pre-punching is not necessary as the split-point tip allows for an easy start
• 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
• 3-flat shank prevents slipping in the chuck of rotary drills and drivers

Technical data

• Shank diameter: 8 mm
• Step diameter (range): 4-20 mm
• Step height: 4
• Total length: 70.5 mm
• Pack quantity: 1 Pcs
• Price: £85.62