Page 403 - Carmex - Inch Catalog 2022

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Mill-Thread Technical Section

Cutting Data

Mini Mill-Thread MTSH and FSH

MT9 Sub-Micron Grade with advanced PVD triple coating.

MT6
Ultra-Fine carbide grade with high hardness and toughness provides an excellent
solution for machining steels, stainless steels, and super alloys Ni or Ti base.
With a universal PVD multi-layer coating, provides high heat and wear resistance.

MT3 Ultra-Fine carbide grade with PVD multi-layer coating for machining Super
Alloys and Hard materials up to 65 HRc.
Provides supreme edge stability with high heat and wear resistance.
For increased productivity and high performance.

Left hand cutting for CNC code use M04

Feed inch/tooth
Cutting
Hardness Cutting Diameter = D
ISO Materials Speed
HRc
ft/min
Ø.04 Ø.06 Ø.08 Ø.12 Ø.16 Ø.20 Ø.24 Ø.28 Ø.31 Ø.35 Ø.39 Ø.47 Ø.55 Ø.63
Nickel Alloys, Titanium Alloys
S 70-130 .0012 .0012 .0012 .0016 .0016 .0020 .0024 .0024 .0024 .0028 .0028 .0028 .0031 .0031
and High Temp. Alloys
45-50 200-230 .0012 .0016 .0016 .0020 .0020 .0024 .0024 .0028 .0028 .0031 .0031 .0035 .0039 .0043
H Hardened Steels 51-55 160-200 .0008 .0012 .0012 .0016 .0016 .0020 .0020 .0024 .0024 .0028 .0028 .0031 .0035 .0039
56-62 130-160 .0004 .0008 .0008 .0012 .0012 .0016 .0016 .0020 .0020 .0024 .0024 .0028 .0031 .0035
start center arc thread arc end
point location entrance milling exit point

Case Study

Application Internal Thread M4 X 0.7
Thread Depth .315
Workpiece Material Tool Steel: D2
Hardness 60-62 (HRc)
Cutter Description MTSH0250C35 0.7 ISO
Cutting Speed: 144 ft / min
Machining Conditions
Feed: .0012 Inch / tooth
Machine Mori Seiki VN5000
Control Fanuc
Cooling Lubricant Emulsion

Tool Life (No. of Threads) 84
B12-23