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Mill-Thread Technical Section
Cutting Data CMT Spiral Multi Flute Inserts
Carbide grade - MT8: Sub-Micron Grade with Aluminum Titanium Nitride (AlTiN) multi-layer coating (ISO K10-K20). Extremely high heat resistant and smooth cutting operation, for high performance, and normal machining conditions. General purpose for all materials. Feed mm/tooth Cutting Diameter = D Cutting Speed m/min Material ISO Standard ø 16- ø 35 0.14 - 0.24 60 - 120 Low and Medium Carbon Steels <0.55%C P 0.12 - 0.24 60 - 90 High Carbon Steels ≥0.55%C 0.08 - 0.20 50 - 80 Alloy Steels,Treated Steels 0.08 - 0.19 70 - 100 Stainless Steel-Free Cutting M 0.08 - 0.19 60 - 90 Stainless Steel-Austenitic 0.08 - 0.20 70 - 90 Cast Steels 0.14 - 0.24 40 - 80 Cast Iron K 0.14 - 0.26 100 - 200 Aluminum ≤12%Si, Copper N 0.08 - 0.22 60 - 140 Aluminum >12%Si 0.17 - 0.28 50 - 200 Synthetics, Duroplastics, Thermoplastics 0.05 - 0.14 20 - 40 Nickel Alloys, Titanium Alloys. S 0.07 - 0.17 60 - 70 Hardened Steel, 45-50HRc H 0.06 - 0.16 50 - 60 Hardened Steel, 51-55HRc
B12-10
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