Page 312 - Carmex - Inch Catalog 2018-19 Rev. B

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Mill - Thread Technical Section

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 inch/tooth
ISO Materials Speed Cutting Diameter=D
ft/min Ø.16 Ø.20 Ø.24 Ø.31 Ø.35 Ø.39 Ø.47

Low and Medium Carbon Steels <0.55%C 200-395 .0012 .0012 .0016 .0020 .0020 .0020 .0020
P High Carbon Steels ≥0.55%C 200-295 .0008 .0012 .0012 .0016 .0016 .0016 .0020
Alloy Steels, Treated Steels
165-260 .0008 .0008 .0008 .0008 .0012 .0012 .0016
Stainless Steels - Free Cutting 230-330 .0008 .0008 .0008 .0008 .0012 .0012 .0012
M Stainless Steels - Austenitic 200-295 .0008 .0008 .0008 .0008 .0012 .0012 .0012
Cast Steels 230-295 .0008 .0008 .0008 .0008 .0012 .0012 .0016

K Cast Iron 130-260 .0012 .0012 .0016 .0020 .0020 .0020 .0020
Aluminum ≤12%Si, Copper 330-655 .0012 .0012 .0016 .0020 .0020 .0020 .0020
N Aluminum >12% Si 200-460 .0008 .0008 .0008 .0008 .0012 .0012 .0012

Synthetics, Duroplastics, Thermoplastics 165-655 .0016 .0020 .0020 .0024 .0024 .0024 .0024

DMTH type

MT11 Ultra-fine Sub-Micron grade with advanced PVD triple Blue coating

Cutting Feed inch/tooth
ISO Materials Speed Cutting Diameter=D
ft/min
Ø.08 Ø.12 Ø.16 Ø.20 Ø.24 Ø.31 Ø.35 Ø.39 Ø.47
Low and Medium Carbon Steels
190 - 390 .0008 .0008 .0012 .0012 .0016 .0020 .0020 .0020 .0020
<0.55%C
P High Carbon Steels ≥0.55%C 190 - 290 .0008 .0008 .0008 .0012 .0012 .0016 .0016 .0016 .0020
Alloy Steels, Treated Steels 160 - 260 .0008 .0008 .0008 .0008 .0008 .0008 .0012 .0012 .0016
Stainless Steels - Free Cutting 230 - 330 .0008 .0008 .0008 .0008 .0008 .0008 .0012 .0012 .0012
M
Stainless Steels - Austenitic 190 - 290 .0008 .0008 .0008 .0008 .0008 .0008 .0012 .0012 .0012
Cast Steels 230 - 290 .0008 .0008 .0008 .0008 .0008 .0008 .0012 .0012 .0016
K Cast Iron 130 - 260 .0012 .0012 .0012 .0012 .0016 .0020 .0020 .0020 .0020

Aluminum ≤10%Si, Copper 330 - 650 .0012 .0012 .0012 .0012 .0016 .0020 .0020 .0020 .0020
N Aluminum >10% Si 190 - 460 .0008 .0008 .0008 .0008 .0008 .0008 .0012 .0012 .0012
Synthetics, Duroplastics, 160 - 650 .0016 .0020 .0016 .0020 .0020 .0024 .0024 .0024 .0024
Thermoplastics
Nickel Alloys, Titanium Alloys
S 65 - 130 .0008 .0012 .0012 .0016 .0020 .0020 .0024 .0024 .0024
and High Temp. Alloys
Hardened Steels 45-50 HRc 190 - 230 .0008 .0008 .0008 .0012 .0016 .0016 .0020 .0020 .0020
H
Hardened Steels 50-55 HRc 160 - 190 .0004 .0004 .0004 .0008 .0012 .0012 .0016 .0016 .0016

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