® Mill-Thread Technical Section Cutting Data FMT - Fast MT type MT8 Sub Micron grade with advanced PVD triple coating (ISO K10-K20). Extremely high heat resistant and smooth cutting operation, for high performance and normal machining conditions. General purpose for all materials. ISOStandard Materials Cutting Feed mm/toothSpeedCutting Diameter = Dm/minø5ø6ø8ø10ø12 Low and Medium Carbon Steels < 0.55%C 100 - 250 0.03 0.06 0.07 0.08 0.09 P High Carbon Steels ≥ 0.55%C 110 - 180 0.03 0.05 0.06 0.07 0.08 Alloy Steels, Treated Steels 90 - 60 0.02 0.03 0.04 0.05 0.05 Stainless Steel - Free Cutting 60 - 160 0.03 0.04 0.05 0.06 0.06 M Stainless Steel - Austenitic 60 - 120 0.01 0.03 0.04 0.05 0.05 Cast Steels 130 - 170 0.02 0.03 0.04 0.05 0.05 K Cast Iron 70 - 150 0.04 0.06 0.07 0.08 0.09 Aluminum ≤ 12%Si, Copper 150 - 350 0.04 0.06 0.07 0.08 0.09 N Aluminum > 12%Si 100 - 250 0.03 0.03 0.04 0.05 0.05 Synthetics, Duroplastics, Thermoplastics 100 - 400 0.06 0.08 0.10 0.11 0.12 S Nickel Alloys, Titanium Alloys. 20 - 80 0.02 0.03 0.03 0.03 0.03 H Hardened Steel, 45-50HRc 60 - 70 0.02 0.03 0.03 0.03 0.03 B12-15