Summary of Insert Grades A ■ Grooving / Cut-Off Workpiece Material Steel Stainless steel / Cast steel Cast Iron (Carbon steel / Alloy steel) (Gray cast iron / Nodular cast iron) Cutting Range Finishing Roughing Finishing Roughing Finishing Roughing Insert Grades Classification P01 P10 P20 P30 P40 M01 M10 M20 M30 M40 K01 K10 K20 K30 MEGACOAT PV7040 PV7040 (PV Series) Cermet TN620 TN620 TN Series TN6020 TN6020 TN60 TN60 TN60 TN90 TN90 TC Series TC40N TC40N TC60M TC60M CR Series CR9025 CR9025 PR630 PR630 PR660 PR660 Coated Carbide PR Series PR915 PR915 PR905 PR930 PR930 PR1025 PR1025 PR1115 MEGACOAT PR1215 PR1215 PR1215 (PR Series) PR1225 PR1225 MEGACOAT NANO PR1535 PR1535 (PR Series) A65 Ceramic A66N PT600M Carbide KW10 GW15 Workpiece Material Non-ferrous Metals Difficult-to-cut Materials Hard Materials Sintered Steel (Aluminum / Non-ferrous metals / Non-metals) (Titanium / Titanium alloys) (Hardened steel / Chilled cast Iron) Cutting Range Finishing Roughing Finishing Roughing Finishing Roughing Finishing Roughing Classification N01 N10 N20 N30 S01 S10 S20 S30 H01 H10 H20 H30 01 10 20 30 Coated Carbide MEGACOAT PR1215 (PR Series) PR1225 Cermet TN60 A65 Ceramic A66N PT600M Carbide KW10 KW10 GW15 GW15 DLC Coated Carbide PDL025 CBN KBN510 KBN570 KBN525 PCD KPD001 KPD001 KPD010 KPD010 A4