3 Flute, 30° helix, 0.02 mm profile tolerance. Non-center cutting ball tip. 1.5, 2.0, 3.0 & 4.0 R nose. Ideal for finishing blisks, impellers & turbine rotors. Chip-Surfer. 46W_1 - Taper Form Finisher for Alum (Metric) Ø8.0-16.0 mm (T-Adaption) 3 Flute, 30° helix, …