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Recommended Cutting Conditions
KTN / KTNS SIN / CIN
Workpiece Recommended Insert Grade (Cutting Speed: m/min) Workpiece Recommended Insert Grade (Cutting Speed: m/min)
Material Material
Cermet PVD Coated Carbide Carbide Cermet PVD Coated Carbide Carbide
Carbon Steel
TC60 PR930 PR1115 GW15 (KW10) TC60 PR930 PR1115 GW15 (KW10)
First ap (Radial)
100~150 100~150 100~150 - Carbon Steel 100~150 100~150 100~150
Alloy Stee
under 0.3mm under 0.3mm under 0.3mm First ap (Radial) under 0.3mm under 0.3mm under 0.3mm
First ap (Radial)
100~150 100~150 100~150 - Alloy Steel 100~150 100~150 100~150
Stainless Steel
under 0.3mm under 0.3mm under 0.3mm First ap (Radial) under 0.3mm under 0.3mm under 0.3mm
First ap (Radial)
60~80 60~80 60~80 - Stainless Steel 60~80 60~80 60~80
Cast Iron
under 0.25mm under 0.25mm under 0.25mm First ap (Radial) under 0.25mm under 0.25mm under 0.25mm
First ap (Radial)
- - - 100 Cast Iron 100
Non-ferrous Metals
under 0.3mm First ap (Radial) under 0.3mm
First ap (Radial)
- - - 150~400 Non-ferrous Metals 150~400
under 0.3mm First ap (Radial) under 0.3mm
For TNN06IR / 08IR, please lower it to a figure under 40% of above condition list
KTT S…STWP (-E)
Workpiece Recommended Insert Grade (Cutting Speed: m/min) Workpiece Recommended Insert Grade (Cutting Speed: m/min)
Material Material
Cermet PVD Coated Carbide Carbide Cermet PVD Coated Cermet Carbide
Carbon Steel
TC60 PR930 PR1115 KW10 TN6020 TN60 PV7020 PV60 KW10
First ap (Radial)
100~150 100~150 100~150 - Carbon Steel 100~150 100~150 100~150 100~150 -
Alloy Steel
under 0.3mm under 0.3mm under 0.3mm First ap (Radial) under 0.25mm under 0.25mm under 0.25mm under 0.25mm
First ap (Radial)
100~150 100~150 100~150 - Alloy Steel 100~150 100~150 100~150 100~150 -
Stainless Steel
under 0.3mm under 0.3mm under 0.3mm First ap (Radial) under 0.25mm under 0.25mm under 0.25mm under 0.25mm
First ap (Radial)
60~80 60~80 60~80 - Stainless Steel - - - - - J
Cast Iron
under 0.25mm under 0.25mm under 0.25mm First ap (Radial)
First ap (Radial)
- - - 100 Cast Iron - - - - 100
Non-ferrous Metals
under 0.3mm First ap (Radial) under 0.25mm
First ap (Radial)
- - - 150~400 Non-ferrous Metals - - - - 150~400
under 0.3mm First ap (Radial) under 0.25mm Threading
KTTX / S-KTTX KITG
Workpiece Recommended Insert Grade (Cutting Speed: m/min) Workpiece Recommended Insert Grade (Cutting Speed: m/min)
Material Material
Cermet PVD Coated Carbide Carbide Cermet PVD Coated Carbide Carbide
Carbon Steel Carbon Steel
TC60 PR930 PR1115 KW10 TC60 PR930 PR1115 KW10
First ap (Radial) First ap (Radial)
100~150 100~150 100~150 - 100~150 100~150 100~150 -
Alloy Steel Alloy Steel
under 0.3mm under 0.3mm under 0.3mm under 0.3mm under 0.3mm under 0.3mm
First ap (Radial) First ap (Radial)
100~150 100~150 100~150 - 100~150 100~150 100~150 -
Stainless Steel Stainless Steel
under 0.3mm under 0.3mm under 0.3mm under 0.3mm under 0.3mm under 0.3mm
First ap (Radial) First ap (Radial)
60~80 60~80 60~80 - 60~80 60~80 60~80 -
Cast Iron Cast Iron
under 0.25mm under 0.25mm under 0.25mm under 0.25mm under 0.25mm under 0.25mm
First ap (Radial) First ap (Radial)
- - - 100 - - - 100
Non-ferrous Metals Non-ferrous Metals
under 0.3mm under 0.3mm
First ap (Radial) First ap (Radial)
- - - 150~400 - - - 150~400
under 0.3mm under 0.3mm
Indicates : 2nd Recommendation
: 1st Recommendation
Coolant is recommended.
In case of using cermet insert, honing the edge with a hand lapper
enables higher stability.
In case of threading stainless steel, please set two to three
passes more than previous description of .
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