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Mill - Thread Technical Section
MTQ type
Thread mills with relieved neck and internal coolant for milling medium and large threads
on relatively deep work pieces.
Carbide grade: MT7 Advantages
To produce medium and large threads on relatively Provides high rigidity and stability (anti-vibration).
deep work pieces. Accomplishes deep threads in one pass.
To use overhang according to the application. Relatively low cutting forces due to short cutting
To perform deep threads at the bottom of the length.
application. Threads length up to 3D.
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 mm/tooth
ISO Materials Speed Cutting Diameter=D
m/min 10 12 14 16 20 25
Low and Medium Carbon Steels < 0.55%C 100 - 250 0.06 0.07 0.07 0.08 0.10 0.12
P High CarbonSteels 0.55%C 110 - 180 0.05 0.05 0.06 0.07 0.09 0.10
Alloy Steels, Treated Steels 90 - 160 0.03 0.04 0.04 0.05 0.06 0.07
Stainless Steels - Free Cutting 60 - 160 0.04 0.04 0.05 0.06 0.06 0.08
M
Stainless Steels - Austenitic 60 - 120 0.04 0.04 0.04 0.05 0.06 0.07
Cast Steels 130 - 170 0.03 0.04 0.04 0.05 0.06 0.07
K Cast Iron 70 - 150 0.06 0.07 0.07 0.08 0.10 0.12
Aluminum 12%Si, Copper 150 - 350 0.06 0.07 0.07 0.08 0.10 0.12
N Aluminum > 12% Si 100 - 250 0.03 0.04 0.04 0.05 0.06 0.07
Synthetics, Duroplastics, Thermoplastics 100 - 400 0.08 0.09 0.10 0.11 0.13 0.15
S Nickel Alloys, Titanium Alloys 20 - 80 0.02 0.02 0.02 0.03 0.03 0.03
start Thread end
point Milling point
start Thread
Thread position Milling
Milling (2. entry) (2. entry)
start Thread
position Milling
(1. entry) (1. entry)
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