High feed cutter MFH MFHHarrier Series Recommended cutting conditions Toolholder description and feed rate (fz: mm/t) Recommended insert grades ( Vc: m/min) MEGACOAT NANO CVD Insert type Coated carbide Workpiece material MFH25-... MFH32-... MFH40-... PR1535 PR1525 PR1510 CA6535 0.5~0.8~1.0(ap≤1.0mm) 0.5~1.0~1.5(ap≤1.0mm) 0.5~1.2~1.8(ap≤1.0mm) ✩ ★ Carbon steel 0.2~0.4~0.5(ap≤1.5mm) 0.3~0.7~1.0(ap≤1.5mm) 0.4~1.0~1.5(ap≤1.5mm) 120~180~250 120~180~250 - - 0.5~0.8~1.0(ap≤1.0mm) 0.5~1.0~1.5(ap≤1.0mm) 0.5~1.2~1.8(ap≤1.0mm) ✩ ★ Alloy steel 0.2~0.4~0.5(ap≤1.5mm) 0.3~0.7~1.0(ap≤1.5mm) 0.4~1.0~1.5(ap≤1.5mm) 100~160~220 100~160~220 - - Mold steel 0.5~0.7~0.8(ap≤1.0mm) 0.5~0.8~1.2(ap≤1.0mm) 0.5~1.0~1.6(ap≤1.0mm) ✩ ★ - - (~ 40HRC) 0.2~0.3~0.4(ap≤1.5mm) 0.3~0.6~0.8(ap≤1.5mm) 0.4~0.8~1.2(ap≤1.5mm) 80~140~180 80~140~180 Mold steel 0.15~0.3~0.5(ap≤1.0mm) 0.2~0.5~0.8(ap≤1.0mm) 0.2~0.6~0.9(ap≤1.0mm) ✩ ★ - - (40 ~ 50HRC) 0.15~0.2~0.25(ap≤1.5mm) 0.2~0.3~0.45(ap≤1.5mm) 0.2~0.5~0.7(ap≤1.5mm) 60~100~130 60~100~130 Stainless steel 0.5~0.7~0.8(ap≤1.0mm) 0.5~0.8~1.2(ap≤1.0mm) 0.5~1.0~1.6(ap≤1.0mm) ✩ ✩ - - (Austenitic related) 0.2~0.3~0.4(ap≤1.5mm) 0.3~0.6~0.8(ap≤1.5mm) 0.4~0.8~1.2(ap≤1.5mm) 100~160~200 100~160~200 GM Stainless steel 0.5~0.7~0.8(ap≤1.0mm) 0.5~0.8~1.2(ap≤1.0mm) 0.5~1.0~1.6(ap≤1.0mm) ✩ ★ - - GH (Martensitic related) 0.2~0.3~0.4(ap≤1.5mm) 0.3~0.6~0.8(ap≤1.5mm) 0.4~0.8~1.2(ap≤1.5mm) 150~200~250 180~240~300 Stainless steel 0.5~0.7~0.8(ap≤1.0mm) 0.5~0.8~1.2(ap≤1.0mm) 0.5~1.0~1.6(ap≤1.0mm) ★ - - - (Precipitation hardening) 0.2~0.3~0.4(ap≤1.5mm) 0.3~0.6~0.8(ap≤1.5mm) 0.4~0.8~1.2(ap≤1.5mm) 90~120~150 0.5~0.8~1.0(ap≤1.0mm) 0.5~1.0~1.5(ap≤1.0mm) 0.5~1.2~1.8(ap≤1.0mm) ★ Gray cast iron 0.2~0.4~0.5(ap≤1.5mm) 0.3~0.7~1.0(ap≤1.5mm) 0.4~1.0~1.5(ap≤1.5mm) - - 120~180~250 - 0.5~0.7~0.8(ap≤1.0mm) 0.5~0.8~1.2(ap≤1.0mm) 0.5~1.0~1.6(ap≤1.0mm) ★ Nodular cast iron 0.2~0.3~0.4(ap≤1.5mm) 0.3~0.6~0.8(ap≤1.5mm) 0.4~0.8~1.2(ap≤1.5mm) - - 100~150~200 - 0.2~0.4~0.6(ap≤1.0mm) 0.2~0.5~0.9(ap≤1.0mm) 0.2~0.6~1.0(ap≤1.0mm) ✩ ★ Ni-base heat-resistant alloys 0.15~0.2~0.3(ap≤1.5mm) 0.2~0.4~0.6(ap≤1.5mm) 0.2~0.5~0.8(ap≤1.5mm) 20~30~50 - - 20~30~50 0.2~0.4~0.6(ap≤1.0mm) 0.2~0.5~0.9(ap≤1.0mm) 0.2~0.6~1.0(ap≤1.0mm) ★ ✩ Titanium alloys 0.15~0.2~0.3(ap≤1.5mm) 0.2~0.4~0.6(ap≤1.5mm) 0.2~0.5~0.8(ap≤1.5mm) 40~60~80 - 30~50~70 - 0.5~0.8~1.0(ap≤1.0mm) 0.5~1.0~1.5(ap≤1.0mm) 0.5~1.2~1.8(ap≤1.0mm) ✩ ★ Carbon steel 0.06~0.1~0.2(ap≤3.5mm) 0.06~0.15~0.3(ap≤3.5mm) 0.06~0.2~0.3(ap≤3.5mm) 120~180~250 120~180~250 - - 0.5~0.8~1.0(ap≤1.0mm) 0.5~1.0~1.5(ap≤1.0mm) 0.5~1.2~1.8(ap≤1.0mm) ✩ ★ Alloy steel 0.06~0.1~0.2(ap≤3.5mm) 0.06~0.15~0.3(ap≤3.5mm) 0.06~0.2~0.3(ap≤3.5mm) 100~160~220 100~160~220 - - Mold steel 0.5~0.7~0.8(ap≤1.0mm) 0.5~0.8~1.2(ap≤1.0mm) 0.5~1.0~1.6(ap≤1.0mm) ✩ ★ - - (~ 40HRC) 0.06~0.08~0.15(ap≤3.5mm) 0.06~0.1~0.2(ap≤3.5mm) 0.06~0.15~0.2(ap≤3.5mm) 80~140~180 80~140~180 Mold steel 0.2~0.3~0.5(ap≤1.0mm) 0.2~0.5~0.8(ap≤1.0mm) 0.2~0.6~0.9(ap≤1.0mm) ✩ ★ - - (40 ~ 50HRC) 0.03~0.05~0.1(ap≤3.5mm) 0.03~0.08~0.15(ap≤3.5mm) 0.03~0.1~0.15(ap≤3.5mm) 60~100~130 60~100~130 M Stainless steel (Austenitic related) 0.5~0.7~0.8(ap≤1.0mm) 0.06~0.08~0.15(ap≤3.5mm) 0.5~0.8~1.2(ap≤1.0mm) 0.06~0.1~0.2(ap≤3.5mm) 0.5~1.0~1.6(ap≤1.0mm) 0.06~0.15~0.2(ap≤3.5mm) ★ 100~160~200 ✩ 100~160~200 - - LD Stainless steel (Martensitic related) 0.5~0.7~0.8(ap≤1.0mm) 0.06~0.08~0.15(ap≤3.5mm) 0.5~0.8~1.2(ap≤1.0mm) 0.06~0.1~0.2(ap≤3.5mm) 0.5~1.0~1.6(ap≤1.0mm) 0.06~0.15~0.2(ap≤3.5mm) ✩ 150~200~250 - - ★ 180~240~300 Stainless steel 0.5~0.7~0.8(ap≤1.0mm) 0.5~0.8~1.2(ap≤1.0mm) 0.5~1.0~1.6(ap≤1.0mm) ★ - - - (Precipitation hardening) 0.06~0.08~0.15(ap≤3.5mm) 0.06~0.1~0.2(ap≤3.5mm) 0.06~0.15~0.2(ap≤3.5mm) 90~120~150 0.5~0.8~1.0(ap≤1.0mm) 0.5~1.0~1.5(ap≤1.0mm) 0.5~1.2~1.8(ap≤1.0mm) ★ Gray cast iron - - - Milling 0.06~0.1~0.2(ap≤3.5mm) 0.06~0.15~0.3(ap≤3.5mm) 0.06~0.2~0.3(ap≤3.5mm) 120~180~250 0.5~0.7~0.8(ap≤1.0mm) 0.5~0.8~1.2(ap≤1.0mm) 0.5~1.0~1.6(ap≤1.0mm) ★ Nodular cast iron 0.06~0.08~0.15(ap≤3.5mm) 0.06~0.1~0.2(ap≤3.5mm) 0.06~0.15~0.2(ap≤3.5mm) - - 100~150~200 - 0.2~0.4~0.6(ap≤1.0mm) 0.2~0.5~0.9(ap≤1.0mm) 0.2~0.6~1.0(ap≤1.0mm) ✩ ★ Ni-base heat-resistant alloys 0.03~0.05~0.1(ap≤3.5mm) 0.03~0.08~0.15(ap≤3.5mm) 0.03~0.1~0.15(ap≤3.5mm) 20~30~50 - - 20~30~50 0.2~0.4~0.6(ap≤1.0mm) 0.2~0.5~0.9(ap≤1.0mm) 0.2~0.6~1.0(ap≤1.0mm) ★ ✩ Titanium alloys 0.03~0.05~0.1(ap≤3.5mm) 0.03~0.08~0.15(ap≤3.5mm) 0.03~0.1~0.15(ap≤3.5mm) 40~60~80 - 30~50~70 - 0.5~0.8~1.0(ap≤1.0mm) 0.5~1.0~1.5(ap≤1.0mm) 0.5~1.2~1.8(ap≤1.0mm) ✩ ★ Carbon steel 0.2~0.4~0.5(ap≤1.5mm) 0.3~0.7~1.0(ap≤1.5mm) 0.4~1.0~1.5(ap≤1.5mm) 120~180~250 120~180~250 - - 0.5~0.8~1.0(ap≤1.0mm) 0.5~1.0~1.5(ap≤1.0mm) 0.5~1.2~1.8(ap≤1.0mm) ✩ ★ Alloy steel 0.2~0.4~0.5(ap≤1.5mm) 0.3~0.7~1.0(ap≤1.5mm) 0.4~1.0~1.5(ap≤1.5mm) 100~160~220 100~160~220 - - Mold steel 0.5~0.7~0.8(ap≤1.0mm) 0.5~0.8~1.2(ap≤1.0mm) 0.5~1.0~1.6(ap≤1.0mm) ✩ ★ - - (~ 40HRC) 0.2~0.3~0.4(ap≤1.5mm) 0.3~0.6~0.8(ap≤1.5mm) 0.4~0.8~1.2(ap≤1.5mm) 80~140~180 80~140~180 Mold steel 0.15~0.3~0.5(ap≤1.0mm) 0.2~0.5~0.8(ap≤1.0mm) 0.2~0.6~0.9(ap≤1.0mm) ✩ ★ - - (40 ~ 50HRC) 0.15~0.2~0.25(ap≤1.5mm) 0.2~0.3~0.45(ap≤1.5mm) 0.2~0.5~0.7(ap≤1.5mm) 60~100~130 60~100~130 Stainless steel 0.5~0.7~0.8(ap≤1.0mm) 0.5~0.8~1.2(ap≤1.0mm) 0.5~1.0~1.6(ap≤1.0mm) ★ ✩ - - (Austenitic related) 0.2~0.3~0.4(ap≤1.5mm) 0.3~0.6~0.8(ap≤1.5mm) 0.4~0.8~1.2(ap≤1.5mm) 100~160~200 100~160~200 FL Stainless steel (Martensitic related) 0.5~0.7~0.8(ap≤1.0mm) 0.2~0.3~0.4(ap≤1.5mm) 0.5~0.8~1.2(ap≤1.0mm) 0.3~0.6~0.8(ap≤1.5mm) 0.5~1.0~1.6(ap≤1.0mm) 0.4~0.8~1.2(ap≤1.5mm) ✩ 150~200~250 - - ★ 180~240~300 Stainless steel 0.5~0.7~0.8(ap≤1.0mm) 0.5~0.8~1.2(ap≤1.0mm) 0.5~1.0~1.6(ap≤1.0mm) ★ - - - (Precipitation hardening) 0.2~0.3~0.4(ap≤1.5mm) 0.3~0.6~0.8(ap≤1.5mm) 0.4~0.8~1.2(ap≤1.5mm) 90~120~150 0.5~0.8~1.0(ap≤1.0mm) 0.5~1.0~1.5(ap≤1.0mm) 0.5~1.2~1.8(ap≤1.0mm) ★ Gray cast iron 0.2~0.4~0.5(ap≤1.5mm) 0.3~0.7~1.0(ap≤1.5mm) 0.4~1.0~1.5(ap≤1.5mm) - - 120~180~250 - 0.5~0.7~0.8(ap≤1.0mm) 0.5~0.8~1.2(ap≤1.0mm) 0.5~1.0~1.6(ap≤1.0mm) ★ Nodular cast iron 0.2~0.3~0.4(ap≤1.5mm) 0.3~0.6~0.8(ap≤1.5mm) 0.4~0.8~1.2(ap≤1.5mm) - - 100~150~200 - 0.2~0.4~0.6(ap≤1.0mm) 0.2~0.5~0.9(ap≤1.0mm) 0.2~0.6~1.0(ap≤1.0mm) ✩ ★ Ni-base heat-resistant alloys 0.15~0.2~0.3(ap≤1.5mm) 0.2~0.4~0.6(ap≤1.5mm) 0.2~0.5~0.8(ap≤1.5mm) 20~30~50 - - 20~30~50 0.2~0.4~0.6(ap≤1.0mm) 0.2~0.5~0.9(ap≤1.0mm) 0.2~0.6~1.0(ap≤1.0mm) ★ ✩ Titanium alloys 0.15~0.2~0.3(ap≤1.5mm) 0.2~0.4~0.6(ap≤1.5mm) 0.2~0.5~0.8(ap≤1.5mm) 40~60~80 - 30~50~70 - ★: 1st Recommendation ✩: 2nd Recommendation * Machining with coolant is recommended for Ni-base heat-resistant alloys and titanium alloys. * The bold-faced number indicates a center value of recommended cutting condition. Adjust the cutting speed and the feed rate within the above conditions according to the actual machining situation. * When finishing with LD type and FL type inserts, recommended feed rate for SOMT14 LD type: f=1.5(mm/rev) or less/for SOMT10 LD type: f=0.9(mm/rev) or less for SOMT14 FL type: f=3.0(mm/rev) or less/for SOMT10 FL type: f=1.4(mm/rev) or less * For machining center equivalent to BT30, reduce feed rate to 25% or less of the recommended condition. * For slotting, internal coolant is recommended. M146