Recommended tightening torque for insert clamp Ext 88125R-13T-M-G 3.5N•m - Lead angle 0°/ 2° 88160R-15T-M-G MFSN88 MFLN90 Coat anti-seize compound thinly on portion of taper and thread when insert is fixed. Recommended cutting conditions Coated carbide Recommended insert grades ( Vc: m/min) Chipbreaker Feed Workpiece material MEGACOAT (PVD Coated carbide) (fz: mm/t) 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) 0.06~0.12~0.2 ★ - - - SM 100~150~200 Stainless steel (Precipitation hardening) 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 ✩ M Carbon steel 0.15~0.25~0.35 - 120~180~250 - - Alloy steel 0.15~0.25~0.35 - ✩ - - 100~160~220 Mold steel 0.1~0.2~0.3 - ✩ - - GH 80~140~180 Gray cast iron 0.15~0.25~0.35 - - ✩ - 120~180~250 Nodular cast iron 0.1~0.2~0.3 - - ✩ - 100~150~200 Milling 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 Feed (Vc: m/min) Chipbreaker Workpiece material (fz: mm/t) Cermet 5 5 TN620M GH ap (mm) ap (mm) ★ 3 3 Carbon steel 0.06~0.12~0.15 200~250~300 SM GM 2 GM GM Alloy steel 0.06~0.12~0.15 ★ 180~220~250 0.5 0.5 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