General purpose “SH Chipbreaker”, Tough Edge type “GT Chipbreaker” (1) High Fracture Resistance OFMT05 type OFMT07 type Large land is applied (2) Low Cutting Force GT Great effect on high feed ratio range Chipbreaker (Tough Edge) (3) With Wiper Edge Having best angle of full profile edge, SH surface finish is greatly improved Chipbreaker (General purpose) (4) With corner identification mark Note 1) OFMT07 type insets cannot be used for MOFX cutters (Ref. to page M36). Applicable Chipbreaker Range ● 05 type S50C> ● 07 type S50C> 4 4 4 4 GT ChipbreGaTkeCrhipbreaker 3 3 GT ChipbreGaTkeCrhipbreaker 3 3 ap (mm) 2 ap (mm) 2 ap (mm) 2 ap (mm) 2 SH ChipbreSaHkeCrhipbreaker SH ChipbreSakHeCr hipbreaker 1 1 1 1 0 00.1 00.1.2 00.2.3 00.3.4 0.4 0 00.1 00.1.2 00.2.3 00.3.4 0.4 fz (mm/ftz) (mm/t) fz (mm/ftz) (mm/t) ◆ Recommended Cutting Conditions (MOF / MOFX) fz (mm/t) Recommended Insert Grades (Cutting Speed Vc: m/min) Workpiece Material GT Chipbreaker SH Chipbreaker MEGACOAT PVD Coated Carbide (Tough Edge) (General purpose) PR1225 PR1210 PR830 M Carbon Steel 0.10~0.25~0.40 0.10~0.15~0.30 ★ - ☆ 120~180~250 120~150~200 Alloy Steel 0.10~0.25~0.35 0.10~0.15~0.30 ★ - ☆ 100~160~220 100~150~180 Mold Steel 0.10~0.20~0.35 0.08~0.12~0.25 ★ - ☆ Milling 80~140~180 80~120~150 Stainless Steel - 0.08~0.12~0.25 ★ - - 120~160~220 Gray Cast Iron 0.10~0.25~0.40 0.10~0.15~0.30 - ★ - 120~180~250 Nodular Cast Iron 0.10~0.20~0.35 0.08~0.12~0.25 - ★ - 100~150~200 ★:1st Recommended ☆:2nd Recommended M35