- Working part material (ISO): 500. - Tungsten carbide. - Shank type and overall length (ISO): 314 - FG. - Standard rod. - Length: 19 mm. - Diameter: Ø 1.60 mm. - Nominal size. - The largest diameter of the working part (ISO): 018 - Ø18 (1/10mm). - 12 blades. **For further product information, please contact Chat Support**