Recommended Cutting Conditions ■ KTN / KTNS ■ SIN / CIN Workpiece Recommended Insert Grades (Cutting Speed Vc: m/min) Workpiece Recommended Insert Grades (Cutting Speed Vc: m/min) Material Cermet PVD Coated Carbide Carbide Material Cermet PVD Coated Carbide Carbide TC60M PR1115 GW15 TC60M PR1115 GW15 Carbon Steel ☆ ★ - Carbon Steel ☆ ★ - 100~150 100~150 100~150 100~150 First ap (Radial) 0.3mm and under 0.3mm and under First ap (Radial) 0.3mm and under 0.3mm and under Alloy Steel ☆ ★ - Alloy Steel ☆ ★ - 100~150 100~150 100~150 100~150 First ap (Radial) 0.3mm and under 0.3mm and under First ap (Radial) 0.3mm and under 0.3mm and under Stainless Steel ☆ ★ - Stainless Steel ☆ ★ - 60~80 60~80 60~80 60~80 First ap (Radial) 0.25mm and under 0.25mm and under First ap (Radial) 0.25mm and under 0.25mm and under Cast Iron - - ★ Cast Iron - - ★ 100 100 First ap (Radial) 0.3mm and under First ap (Radial) 0.3mm and under Aluminum - - ★ Aluminum - - ★ 150~400 150~400 First ap (Radial) 0.3mm and under First ap (Radial) 0.3mm and under Brass - - ★ Brass - - ★ 150~300 150~300 First ap (Radial) 0.3mm and under First ap (Radial) 0.3mm and under ● For 06IR / 08IR, please lower it to a figure under 40% of above condition list ■ KTT ■ S···STWP (-E) Workpiece Recommended Insert Grades (Cutting Speed Vc: m/min) Workpiece Recommended Insert Grades (Cutting Speed Vc: m/min) Material Cermet PVD Coated Carbide Carbide Material Cermet PVD Coated Cermet Carbide TC60M PR930 PR1115 KW10 TN6020 TN60 PV7020 KW10 Carbon Steel ☆ ☆ ★ - Carbon Steel ☆ ☆ ★ - 100~150 100~150 100~150 100~150 100~150 100~150 J First ap (Radial) 0.3mm and under 0.3mm and under 0.3mm and under First ap (Radial) 0.25mm and under 0.25mm and under 0.25mm and under Alloy Steel ☆ ☆ ★ - Alloy Steel ☆ ☆ ★ - 100~150 100~150 100~150 100~150 100~150 100~150 First ap (Radial) 0.3mm and under 0.3mm and under 0.3mm and under First ap (Radial) 0.25mm and under 0.25mm and under 0.25mm and under Stainless Steel ☆ ☆ ★ - Stainless Steel - - - - 60~80 60~80 60~80 Threading First ap (Radial) 0.25mm and under 0.25mm and under 0.25mm and under First ap (Radial) Cast Iron - - - ★ Cast Iron - - - ★ 100 100 First ap (Radial) 0.3mm and under First ap (Radial) 0.25mm and under Aluminum - - - ★ Aluminum - - - ★ 150~400 150~400 First ap (Radial) 0.3mm and under First ap (Radial) 0.25mm and under Brass - - - ★ Brass - - - ★ 150~300 150~300 First ap (Radial) 0.3mm and under First ap (Radial) 0.25mm and under ■ KTTX / S-KTTX ■ KITG Workpiece Recommended Insert Grades (Cutting Speed Vc: m/min) Workpiece Recommended Insert Grades (Cutting Speed Vc: m/min) Material Cermet PVD Coated Carbide Carbide Material Cermet PVD Coated Carbide Carbide TC60M PR930 PR1115 KW10 TC60M PR930 PR1115 KW10 Carbon Steel ☆ ☆ ★ - Carbon Steel ☆ ☆ ★ - 100~150 100~150 100~150 100~150 100~150 100~150 First ap (Radial) 0.3mm and under 0.3mm and under 0.3mm and under First ap (Radial) 0.3mm and under 0.3mm and under 0.3mm and under Alloy Steel ☆ ☆ ★ - Alloy Steel ☆ ☆ ★ - 100~150 100~150 100~150 100~150 100~150 100~150 First ap (Radial) 0.3mm and under 0.3mm and under 0.3mm and under First ap (Radial) 0.3mm and under 0.3mm and under 0.3mm and under Stainless Steel ☆ ☆ ★ - Stainless Steel ☆ ☆ ★ - 60~80 60~80 60~80 60~80 60~80 60~80 First ap (Radial) 0.25mm and under 0.25mm and under 0.25mm and under First ap (Radial) 0.25mm and under 0.25mm and under 0.25mm and under Cast Iron - - - ★ Cast Iron - - - ★ 100 100 First ap (Radial) 0.3mm and under First ap (Radial) 0.3mm and under Aluminum - - - ★ Aluminum - - - ★ 150~400 150~400 First ap (Radial) 0.3mm and under First ap (Radial) 0.3mm and under Brass - - - ★ Brass - - - ★ 150~300 150~300 First ap (Radial) 0.3mm and under First ap (Radial) 0.3mm and under ★ :1st Recommendation ☆ :2nd Recommendation ● Coolant is recommended. ●In case of using cermet insert, honing the edge with hand lapper enables higher stability. ●In case of threading stainless steel, please set two to three passes more than previous description of . J32