- ISO 173/018. - Head Diameter: 1.8 mm. - Cutting Length: 10 mm. - Total Length: 23 mm. - Shank Type: 314-FG Standard. - Shank Diameter: 1.6 mm. - Head Shape: Flat Cone/Taper. - Grit: Medium. - Color: Blue. - MAX. speed 300,000 rpm. **For further product information, please contact Chat Support**