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.

Brand Name	Bosch
Material	HSS (high-speed steel)
Type	Drill Bit
Step diameter (range)	4-20mm
Step height	4mm
Total length	70,5mm
Shank diameter inch	1/4
Version	HSS-TiN