Page 367 - Carmex - Metric Catalog 2021
P. 367
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Mill-Thread Technical Section
Mill-Thread Inserts Speed and Feed
Selection
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 Speed m/min
ISO Materials
MT7
Low and Medium Carbon Steels 115 - 280
P High Carbon Steels 130 - 200
Alloy Steels, Treated Steels 105 - 180
Stainless Steels 130 - 190
M
Cast Steels 150 - 190
K Cast Iron 80 - 70
Non-Ferrous & Aluminum 180 - 340
N
Synthetics, Duroplastics, Thermoplastics 115 - 460
S Nickel Alloys, Titanium Alloys 25 - 90
Recommended FEED RATE: 0.05 - 0.15 mm
B12-5
