Set: No, Material: Metal, Shank Type: Cylindrical shank with 3 stages, Drill Type: Step drill, Hole Diameter: 6-39 mm
- CNC-milled spiral groove optimally removes chips and enables low-vibration and thus consistent drilling
- Step diameter: 6 mm - 39 mm, Shank diameter: 10 mm, Total length: 93.5 mm
- Made of HSS steel for high durability
- Smooth drilling of holes with various diameters using a single drill
- Center punching is not required, as the drill tip with cross grinding facilitates the start of drilling
- Axial and radial relief grinding for maximum cutting performance and absolutely smooth results