Gundrilling 
- Gundrilling is characterized by small diameters. Diameters between 1 - 50mm [0.04 -2.00 inches] are common.
- High-pressure coolant is introduced through the spindle and gundrill center.
- Chips are discharged from the outside of the tool.
- Special forms can be ground in tool tip for form tool operations.
Machines with Gundrilling Capabilities:
- USK series
- UNI series
- UNE series
- USC series
- For the middle range diameters between 20-50mm [0.79-2.00 inch] Gundrill/BTA conversion attachments are available.

