CPT

®

Mill-Thread Technical Section

Cutting Data Mini Mill-Thread MTS, MTI and FMTI types MT6 Ultra-Fine carbide grade with high hardness and toughness provides an excel- lent 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.

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. MT7 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. MT8 Ultra-fine Sub-Micron grade with advanced PVD triple coating. MT11

Feed mm/tooth Cutting Diameter = D ø 1 ø 1.5 ø 2 ø 3 ø 4 ø 5 ø 6 ø 7 ø 8 ø 9 ø 10 ø 12 ø 14 ø 16

Cutting Speed m/min

ISO Standard

Materials

Low and Medium Carbon Steels < 0.55%C High CarbonSteels ≥ 0.55%C Alloy Steels, Treated Steels

60-120 0.04 0.05 0.05 0.07 0.09 0.11 0.13 0.14 0.15 0.16 0.16 0.17 0.18 0.18 60- 90 0.03 0.04 0.05 0.06 0.08 0.09 0.10 0.12 0.13 0.14 0.14 0.16 0.17 0.18 50- 80 0.03 0.04 0.04 0.05 0.05 0.06 0.07 0.07 0.08 0.09 0.10 0.12 0.13 0.14

P

M Stainless Steels - Free Cutting 70-100 0.02 0.03 0.03 0.04 0.05 0.06 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 Stainless Steels - Austenitic 60- 90 0.02 0.03 0.03 0.04 0.05 0.06 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 Cast Steels 70- 90 0.03 0.04 0.04 0.05 0.05 0.06 0.07 0.07 0.08 0.09 0.10 0.12 0.13 0.14 K Cast Iron 40- 80 0.04 0.05 0.05 0.07 0.09 0.11 0.13 0.14 0.15 0.16 0.16 0.17 0.18 0.18

Aluminum ≤12%Si, Copper

100-200 0.04 0.05 0.05 0.07 0.09 0.11 0.13 0.14 0.15 0.16 0.16 0.17 0.18 0.18 60-140 0.03 0.03 0.03 0.04 0.05 0.06 0.06 0.07 0.08 0.09 0.10 0.11 0.13 0.14

Aluminum >12% Si

N

Synthetics, Duroplastics, Thermoplastics

50-200 0.09 0.10 0.11 0.12 0.14 0.16 0.18 0.19 0.19 0.19 0.19 0.19 0.20 0.20 S Nickel Alloys and Titanium Alloys 20- 40 0.03 0.03 0.03 0.04 0.04 0.05 0.06 0.06 0.06 0.07 0.07 0.07 0.08 0.08

start point

center location

arc entrance

thread milling

arc exit

end point

B12-17

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