Product description
Step drill 4–20 mm HSS with 9 steps for drilling in metal, plastic, and composite materials.
Specifications:
- Material: High-speed steel (HSS)
- Drilling diameter: 4–20 mm (2 mm steps)
- Number of steps: 9
- Total length: 75 mm
- Shank diameter: 6 mm
- Coating: Titanium nitride (TiN)