Grooving Carbon steel / Alloy steel ~0.02 ~0.04 ~0.05 Grooving 30~100 30~100 Recommended cutting conditions Stainless steel ~0.01 ~0.02 ~0.03 Coolant 30~80 30~80 Non-ferrous metals ~0.04 ~0.06 ~0.08 ~300 System tip-bars for small diameter internal face grooving :1st recommendation :2nd recommendation Recommended insert grades (Vc: m/min) MEGACOAT PVD coated carbide Carbide VNFG0810 VNFG0820 VNFG0830 Workpiece material Remarks PR1225 PR930 KW10 f (mm/rev) Carbon steel / Alloy steel ~0.02 ~0.04 ~0.05 30~100 30~100 Stainless steel ~0.01 ~0.02 ~0.03 Coolant 30~80 30~80 Non-ferrous metals ~0.04 ~0.06 ~0.08 ~300 :1st recommendation :2nd recommendation TWFG / TWFGT G TWFGL050 Recommended insert grades (Vc:m/min) TWFGL080 TWFGL125 TWFGL180 TWFGL100 TWFGL150 TWFGL200 Workpiece material TWFGTR050 TWFGTR125 TWFGTR180 Remarks MEGACOAT PVD coated carbide Carbide TWFGTR080 TWFGTR150 TWFGTR200 TWFGTR100 PR1535 PR1025 KW10 f (mm/rev) Carbon steel / Alloy steel ~0.02 ~0.03 ~0.04 30~100 30~100 Stainless steel ~0.01 ~0.02 ~0.02 Coolant 30~80 30~80 Non-ferrous metals ~0.03 ~0.04 ~0.06 TWFG / TWFGT ~300 :1st recommendation :2nd recommendation TWFGL050 Recommended insert grades (Vc:m/min) TWFGL080 TWFGL125 TWFGL180 TWFGL100 TWFGL150 TWFGL200 Workpiece material TWFGTR050 TWFGTR125 TWFGTR180 Remarks MEGACOAT PVD coated carbide Carbide TWFGTR080 TWFGTR150 TWFGTR200 TWFGTR100 PR1535 PR1025 KW10 f (mm/rev) Carbon steel / Alloy steel ~0.02 ~0.03 ~0.04 30~100 30~100 Stainless steel ~0.01 ~0.02 ~0.02 Coolant 30~80 30~80 Non-ferrous metals ~0.03 ~0.04 ~0.06 ~300 :1st recommendation :2nd recommendation G116