Lead angle 45°/ 24°/ 20° MFPMN FSPeNri6e6s Recommended cutting conditions Coated carbide Recommended insert grades (Vc: m/min) Chipbreaker Workpiece material Feed(fz: mm/t) MEGACOAT (PVD coated carbide) PR1535 PR1525 PR1510 PR015S Carbon steel 0.1~0.2~0.3 ☆ ★120~180~250120~180~250- - Alloy steel 0.1~0.2~0.3 ☆ ★100~160~220100~160~220- - Mold steel 0.1~0.18~0.25 ★ ★80~140~18080~140~180- - Stainless steel (Austenitic related) 0.1~0.18~0.25 ☆ ☆100~150~200100~150~200- - GM Stainless steel (Martensitic related) 0.1~0.18~0.25 ☆100~150~200 - - - Stainless steel (Precipitation hardening) 0.1~0.18~0.25 ★90~120~150 - - - Gray cast iron 0.1~0.2~0.3 - - ★120~180~250 - Nodular cast iron 0.1~0.18~0.25 - - ★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 0.06~0.1~0.15 - ☆80~140~180 - - Stainless steel (Austenitic related) 0.06~0.12~0.2 ★ ☆100~150~200100~150~200- - 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 - - v100~150~200 - Hard materials (60HRC or less) 0.1~0.2~0.3 - - - ★80~100~120 ★: 1st Recommendation ☆: 2nd Recommendation Cermet Applicable chipbreaker range Recommended insert grades Coated carbide Cermet Chipbreaker Workpiece material Feed(fz: mm/t) Vc: m/minCermet 5 5GH TN620M 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 0.50.060.10.20.250.30.350.060.10.15 0.20.3 Mold steel 0.06~0.1~0.13 ★150~180~220 fz(mm/t) fz(mm/t)  ★: 1st Recommendation Applicable chipbreaker Chipbreaker Cutter type GM SM GH Fine pitch Extra fine pitch (Feed rate is recommended fz=0.2mm/t or under) Recommended cutting conditions: F122 - F124 M19 ap(mm) ap(mm) Milling