alpen: sheet metal paring bit, step drill
- Application: To drill larger holes in thin material or to counterbore existing holes, for burr-free and chatter-free drilling or counterboring (without predrilling) in stainless steel sheets and soft materials, suitable for manual and box column drills
- Design: bare surface
- Application: For boring cylindrical holes in materials up to 4 and/or 6 mm thick
- Design: bare surface