ExtChipbreaker ap (mm) ap (mm) Milling Recommended tightening torque for insert clamp 88125R-13T-M-G 3.5N•m - Lead angle 0°/88216°0R-15T-M-G MFSLN8980 Coat anti-seize compound thinly on portion of taper and thread when insert is fixed. Recommended cutting conditions Coated carbide Workpiece material Feed(fz: mm/t) Recommended insert grades ( Vc: m/min)MEGACOAT (PVD Coated carbide) PR1535 PR1525 PR1510 PR015S Carbon steel 0.1~0.2~0.3 ✩120~180~250 ★120~180~250 - - Alloy steel 0.1~0.2~0.3 ✩100~160~220 ★100~160~220 - - Mold steel 0.1~0.15~0.25 ★80~140~180 ★80~140~180 - - Stainless steel (Austenitic related) 0.1~0.15~0.25 ✩100~150~200 ✩100~150~200 - - GM Stainless steel (Martensitic related) 0.1~0.15~0.25 ✩100~150~200 - - - Stainless steel (Precipitation hardening) 0.1~0.15~0.25 ★90~120~150 - - - Gray cast iron 0.1~0.2~0.3 - - ★120~180~250 - Nodular cast iron 0.1~0.15~0.25 - - ★100~150~200 - Ni-base heat-resistant alloys 0.1~0.12~0.2 ✩20~30~50 - - - Carbon steel 0.06~0.12~0.2 - ✩120~180~250 - - Alloy steel 0.06~0.12~0.2 - ✩100~160~220 - - Mold steel 0.06~0.08~0.15 - ✩80~140~180 - - Stainless steel (Austenitic related) 0.06~0.12~0.2 ★100~150~200 ✩100~150~200 - - Stainless steel (Martensitic related)SMStainless steel (Precipitation hardening)0.06~0.12~0.2★100~150~200 -0.06~0.12~0.2✩90~120~150- -- -- Gray cast iron 0.06~0.12~0.2 - - ✩120~180~250 - Nodular cast iron 0.06~0.1~0.15 - - ✩100~150~200 - Ni-base heat-resistant alloys 0.06~0.08~0.15 ★20~30~50 - - - Titanium alloys 0.06~0.08~0.15 ★40~60~80 - - - Carbon steelAlloy steel 0.15~0.25~0.35 - ✩120~180~250 -0.15~0.25~0.35-✩100~160~220-- M- Mold steelGHGray cast iron 0.1~0.2~0.3 - ✩80~140~180 - -0.15~0.25~0.35--✩120~180~250- Nodular cast iron 0.1~0.2~0.3 - - ✩100~150~200 - Hard materials (60HRC or less) 0.1~0.2~0.3 - - - ★50~80~100 * The bold-faced number indicates a center value of recommended cutting condition. ★: 1st Recommendation Adjust the cutting speed and the feed rate within the above conditions according to the actual machining situation. ✩: 2nd Recommendation * Machining with coolant is recommended for Ni-base heat-resistant alloys and titanium alloys. Cermet Applicable chipbreaker range Recommended insert grades Coated carbide Cermet Chipbreaker Workpiece material Feed(fz: mm/t) (Vc: m/min)Cermet 5 5 TN620M GH Carbon steel 0.06~0.12~0.15 ★200~250~300GMAlloy steel0.06~0.12~0.15★180~220~2503SMGM0.5 32 GM0.5 Mold steel 0.06~0.1~0.13 ★150~180~220 0.06 0.1 0.2 0.25 0.3 0.35 0.06 0.1 0.15 0.2 0.3 ★: 1st Recommendation fz (mm/t) fz (mm/t) Applicable chipbreaker Chipbreaker Cutter type GM SM GH Fine pitch Extra fine pitch (Feed rate is recommended fz=0.2mm/t or under) Not available for vertical milling (plunging). M101