An indispensable tool for the production and finishing of earmolds. The sharp-edged toothing passes to holes with a clean surface.
The 2.9 mm round bur is the standard for the sound tube bore.
Features
- Material: Steel
- Form: ball
- Diameter: 1.2 mm
- Shaft length: 34.0 mm
- Shaft diameter: 2.35 mm
- Max. speed 20,000 rev / min
Also available in sizes from 1.0 to 4.7 mm