® Mill-Thread Technical Section Cutting Data DMT type MT7 Sub-Micron Grade with Titanium Aluminum Nitride multi-layer coating (ISO K10 - K20). This is a general purpose grade, which can be used with all materials; it should be run at medium to high cutting speeds. Cutting Feed mm/tooth ISO Materials Speed m/min ø3 ø4 ø5 ø6 ø8 ø9 ø10 ø12 Low and Medium Carbon Steels < 0.55%C 60 - 120 0.02 0.03 0.03 0.04 0.05 0.05 0.05 0.05 P High Carbon Steels ≥ 0.55%C 60 - 90 0.015 0.02 0.03 0.03 0.04 0.04 0.04 0.05 Alloy Steels, Treated Steels 50 - 80 0.015 0.02 0.02 0.02 0.02 0.03 0.03 0.04 M Stainless Steels - Free CuttingStainless Steels - Austenitic70 - 1000.0150.020.02 0.02 0.02 0.03 0.03 0.0360 -900.0150.020.020.020.020.030.030.03 Cast Steels 70 - 90 0.015 0.02 0.02 0.02 0.02 0.03 0.03 0.04 K Cast Iron 40 - 80 0.02 0.03 0.03 0.04 0.05 0.05 0.05 0.05 Aluminum ≤12%Si, Copper 100 - 200 0.02 0.03 0.03 0.04 0.05 0.05 0.05 0.05 N Aluminum >12% Si 60 - 140 0.015 0.02 0.02 0.02 0.02 0.03 0.03 0.03 Synthetics, Duroplastics, Thermoplastics 50 - 200 0.03 0.04 0.05 0.05 0.06 0.06 0.06 0.06 DMTH type MT11 Ultra-fine Sub-Micron grade with advanced PVD triple Blue coating. Cutting Feed mm/tooth ISO Materials Speed m/min ø2 ø3 ø4 ø5 ø6 ø8 ø9 ø10 ø12 Low and Medium CarbonSteels < 0.55%C 60 - 120 0.02 0.02 0.03 0.03 0.04 0.05 0.05 0.05 0.05 P High Carbon Steels ≥ 0.55%C 60 - 90 0.02 0.02 0.02 0.03 0.03 0.04 0.04 0.04 0.05 Alloy Steels, Treated Steels 50 - 80 0.02 0.02 0.02 0.02 0.02 0.02 0.03 0.03 0.04 M Stainless Steels - Free CuttingStainless Steels - Austenitic70 - 1000.0260 -900.020.020.020.020.020.020.020.020.020.020.020.030.030.030.030.030.03 Cast Steels 70 - 90 0.02 0.02 0.02 0.02 0.02 0.02 0.03 0.03 0.04 K Cast Iron 40 - 80 0.03 0.03 0.03 0.03 0.04 0.05 0.05 0.05 0.05 Aluminum ≤10%Si, Copper 100 - 200 0.03 0.03 0.03 0.03 0.04 0.05 0.05 0.05 0.05 N Aluminum >10% Si 60 - 140 0.02 0.02 0.02 0.02 0.02 0.02 0.03 0.03 0.03 Synthetics, Duroplastics,Thermoplastics 50 - 200 0.04 0.05 0.05 0.05 0.05 0.06 0.06 0.06 0.06 S Nickel Alloys, Titanium Alloysand High Temp. Alloys20 -400.02 0.03 0.03 0.04 0.05 0.05 0.06 0.06 0.06 H Hardened Steels 45-50 HRcHardened Steels 50-55 HRc60 -700.02 0.02 0.02 0.03 0.04 0.04 0.05 0.05 0.0550 -600.010.010.010.020.030.030.040.040.04 B12-19