HSS Step Drill Bits

For drilling cylindrical holes in solid material >4.0mm. Tapered cutting edges of the next drill step for simultaneous deburring or chamfering. Low cutting speed and cooling liquid will increase lifetime and improve working results.


Product Description

Pack Types Key: Retail Tube
drilling range diameter (mm) step (mm) number of steps shank diameter (mm) Find Out More
4.0-12.0 1.0 9 6.0
4.0-20.0 2.0 9 8.0
4.0-30.0 2.0 14 10.0