® Mill-Thread Technical Section Cutting Data MTH type MT11 Sub-Micron Grade with advanced PVD triple coating. ISO Materials HardnessHRc CuttingSpeedm/minø2.5ø3 Feed mm/toothCutting Diameter = Dø4ø5ø6ø7ø8ø9ø10 S Nickel Alloys, Titanium Alloysand High Temp. Alloys20-500.020.02 0.02 0.02 0.03 0.03 0.03 0.03 0.04 H Hardened SteelsCast Iron 45 - 50 70 - 80 0.02 0.03 0.03 0.04 0.04 0.05 0.05 0.06 0.0751 - 5560 - 700.010.020.020.030.030.040.040.050.0656 - 6240 - 500.0050.010.010.020.020.030.030.040.05 For cutters with long cutting length reduce feed rate by 40% Positioning Thread Milling Chamfering B12-22