Page 404 - Carmex - Inch Catalog 2022

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Mill-Thread Technical Section

Cutting Data

MTH type

MT11 Sub-Micron Grade with advanced PVD triple coating.

Feed inch/tooth
Cutting
Hardness Cutting Diameter = D
ISO Materials Speed
HRc
ft/min
Ø.10 Ø.12 Ø.16 Ø.20 Ø.24 Ø.28 Ø.31 Ø.35 Ø.39
Nickel Alloys, Titanium Alloys
S 66-164 .0008 .0008 .0008 .0008 .0012 .0012 .0012 .0012 .0016
and High Temp. Alloys
45-50 230-262 .0008 .0012 .0012 .0016 .0016 .0020 .0020 .0024 .0028
Hardened Steels
H 51-55 197-230 .0004 .0008 .0008 .0012 .0012 .0016 .0016 .0020 .0024
Cast Iron
56-62 131-164 .0002 .0004 .0004 .0008 .0008 .0012 .0012 .0016 .0020
For cutters with long cutting length reduce feed rate by 40%

Positioning

Thread Milling

Chamfering

B12-24