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Mill - Thread Technical Section
Cutting Data
CMT Milling cutter
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.
ISO Cutting Speed Feed
Material
Standard m/min mm/tooth
Low and Medium Carbon Steels <0.55%C 60-120 0.05-0.15
P High Carbon Steels 0.55%C 60-90 0.05-0.10
Alloy Steels, Treated Steels 50-80 0.05-0.10
Stainless Steel-Free Cutting 70-100 0.04-0.13
M Stainless Steel-Austenitic 60-90 0.04-0.10
Cast Steels 70-90 0.04-0.13
K Cast Iron 40-80 0.05-0.15
Aluminum 12%Si, Copper 100-200 0.05-0.25
N Aluminum >12%Si 60-140 0.03-0.10
Synthetics, Duroplastics, Thermoplastics 50-200 0.05-0.25
S Nickel alloys, Titanium Alloys. 20-40 0.03-0.10
H Hardened Steel, 45 HRc 60-70 0.03-0.10
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