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.


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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