External turning Recommended cutting conditions SNMF insert External turning - Negative insert ap indicates radius Lower Limit - Recommendation - Upper Limit ISO Recommended Recommended Workpiece material Hardness Cutting range Applications Corner-R(RE) Classification chipbreaker insert grade Vc (m/min) ap (mm) f (mm/rev) Finishing Continuous XP CCX 0.8 300 - 600 - 800 0.2 - 0.5 - 0.7 0.07 - 0.12 - 0.2 (High Speed Machining) Finishing Continuous PV710 0.4 250 - 350 - 520 0.05 - 0.12 - 0.6 0.03 - 0.1 - 0.22 XF(Small ap)InterruptionPV720 0.8 240 - 320 - 480 0.05 - 0.15 - 0.6 0.04 - 0.12 - 0.25 D Finishing Continuous TN610 0.4 250 - 320 - 400 0.2 - 0.5 - 0.7 0.07 - 0.12 - 0.2 XP (Gloss Oriented) Interruption TN620 0.8 240 - 310 - 370 0.2 - 0.5 - 0.7 0.07 - 0.12 - 0.2 Finishing Continuous PV710 0.4 250 - 300 - 370 0.2 - 0.5 - 0.7 0.07 - 0.12 - 0.2 XP (Tool Life Oriented) Interruption PV720 0.8 240 - 290 - 340 0.2 - 0.5 - 0.7 0.07 - 0.12 - 0.2 Finishing - Medium Continuous TN610 0.4 250 - 320 - 400 0.5 - 1.0 - 1.5 0.17 - 0.25 - 0.3 XQ (Gloss Oriented) Interruption TN620 0.8 240 - 280 - 340 0.5 - 1.0 - 1.5 0.17 - 0.25 - 0.3 Low carbon steel HB Finishing - Medium Continuous PV710 0.8 250 - 300 - 370 0.5 - 1.0 - 1.5 0.17 - 0.25 - 0.3 ≤ XQ Low carbon alloy 300 (Tool Life Oriented) Interruption PV720 0.8 240 - 280 - 340 0.5 - 1.0 - 1.5 0.17 - 0.25 - 0.3 Continuous PV720 0.8 220 - 260 - 320 0.8 - 1.5 - 2.0 0.25 - 0.3 - 0.4 Medium - Roughing XS Interruption CA515 0.8 160 - 210 - 260 0.8 - 1.5 - 2.0 0.25 - 0.3 - 0.4 Continuous CA515 0.8 180 - 220 - 260 1.0 - 2.5 - 3.5 0.2 - 0.3 - 0.4 Roughing PG Interruption CA025P 1.2 150 - 200 - 240 1.0 - 2.5 - 3.5 0.2 - 0.3 - 0.4 Medium - Roughing Continuous CA515 0.8 150 - 200 - 240 1.5 - 3.0 - 4.5 0.25 - 0.35 - 0.45 PT High Feed Rate Interruption CA025P 1.2 120 - 180 - 220 1.5 - 3.0 - 4.5 0.25 - 0.35 - 0.45 Roughing Continuous CA515 1.2 150 - 200 - 240 2.0 - 5.0 - 8.0 0.4 - 0.6 - 0.8 PH High Feed Rate Interruption CA025P 1.6 120 - 180 - 220 2.0 - 5.0 - 8.0 0.3 - 0.5 - 0.7 Roughing Continuous PX CA515 1.2 150 - 200 - 240 2.0 - 5.0 - 8.0 0.4 - 0.6 - 0.8 (Low Cutting Force) Interruption (Single-sided) CA025P 1.6 120 - 180 - 220 2.0 - 5.0 - 8.0 0.3 - 0.5 - 0.7 Finishing Continuous WF PV710 0.8 200 - 250 - 320 0.3 - 0.5 - 1.0 0.2 - 0.3 - 0.4 (Time Oriented) Interruption (Wiper) CA515 0.8 160 - 220 - 280 0.3 - 0.5 - 1.0 0.2 - 0.3 - 0.4 Finishing - Medium Continuous WE PV710 0.8 180 - 220 - 280 1.0 - 2.0 - 3.0 0.2 - 0.3 - 0.4 (Time Oriented) Interruption (Wiper) CA025P 0.8 130 - 180 - 240 1.0 - 2.0 - 3.0 0.2 - 0.3 - 0.4 Finishing Continuous PP CCX 0.8 200 - 300 - 450 0.2 - 0.5 - 1.5 0.04 - 0.16 - 0.28 (High Speed Machining) Finishing Continuous 0.4 200 - 250 - 320 0.2 - 0.5 - 1.5 0.04 - 0.16 - 0.28 PP TN610 (Gloss Oriented) Interruption 0.8 180 - 230 - 300 0.2 - 0.5 - 1.5 0.05 - 0.2 - 0.35 P Finishing Continuous PV710 0.4 200 - 250 - 320 0.2 - 0.5 - 1.5 0.04 - 0.16 - 0.28 PP (Tool Life Oriented) Interruption PV720 0.8 200 - 240 - 290 0.2 - 0.5 - 1.5 0.05 - 0.2 - 0.35 Medium carbon steel HB Finishing - Medium Continuous TN610 0.8 180 - 230 - 300 0.5 - 1.5 - 2.5 0.1 - 0.2 - 0.3 ≤ PQ Medium carbon alloy 300 (Gloss Oriented) Interruption TN620 1.2 160 - 220 - 260 0.5 - 1.5 - 2.5 0.1 - 0.17 - 0.25 Finishing - Medium Continuous PV710 0.8 160 - 210 - 280 0.5 - 1.5 - 2.5 0.1 - 0.2 - 0.3 PQ (Tool Life Oriented) Interruption CA025P 0.8 140 - 200 - 240 0.5 - 1.5 - 2.5 0.1 - 0.17 - 0.25 Continuous CA515 0.8 150 - 200 - 240 1.0 - 2.5 - 3.5 0.2 - 0.3 - 0.4 Medium - Roughing PG Interruption CA025P 1.2 120 - 160 - 200 1.0 - 2.5 - 3.5 0.2 - 0.3 - 0.4 Medium - Roughing Continuous CA515 0.8 120 - 180 - 230 1.5 - 3.0 - 4.5 0.25 - 0.35 - 0.45 PT High Feed Rate Interruption CA025P 1.2 100 - 150 - 200 1.5 - 3.0 - 4.5 0.25 - 0.35 - 0.45 Roughing Continuous CA515 1.2 120 - 180 - 230 2.0 - 5.0 - 8.0 0.4 - 0.6 - 0.8 PH High Feed Rate Interruption CA025P 1.6 100 - 150 - 200 2.0 - 5.0 - 8.0 0.3 - 0.5 - 0.7 Roughing Continuous PX CA515 1.2 120 - 180 - 230 2.0 - 5.0 - 8.0 0.4 - 0.6 - 0.8 (Low Cutting Force) Interruption (Single-sided) CA025P 1.6 100 - 150 - 200 2.0 - 5.0 - 8.0 0.3 - 0.5 - 0.7 Finishing Continuous PP CCX 0.8 200 - 300 - 400 0.2 - 0.5 - 1.5 0.04 - 0.16 - 0.28 (High Speed Machining) Finishing Continuous TN610 0.4 150 - 200 - 280 0.2 - 0.5 - 1.5 0.04 - 0.16 - 0.28 PP (Gloss Oriented) Interruption TN620 0.8 140 - 180 - 240 0.2 - 0.5 - 1.5 0.05 - 0.2 - 0.35 Finishing Continuous PV710 0.4 120 - 180 - 260 0.2 - 0.5 - 1.5 0.04 - 0.16 - 0.28 PP (Tool Life Oriented) Interruption CA515 0.8 100 - 150 - 200 0.2 - 0.5 - 1.5 0.05 - 0.2 - 0.35 Continuous CA515 0.8 120 - 160 - 220 0.5 - 1.5 - 2.5 0.15 - 0.25 - 0.3 HB Finishing - Medium Interruption PQ CA025P 0.8 100 - 140 - 180 0.5 - 1.5 - 2.5 0.15 - 0.2 - 0.25 High carbon alloy ≤ 280 ContinuousMedium - RoughingPG CA515 0.8 120 - 150 - 200 1.0 - 2.0 - 3.0 0.2 - 0.3 - 0.5 Interruption CA025P 0.8 100 - 130 - 180 1.0 - 2.0 - 3.0 0.15 - 0.2 - 0.3 Medium - Roughing Continuous CA515 0.8 100 - 140 - 180 1.5 - 3.0 - 4.5 0.25 - 0.35 - 0.45 PT High Feed Rate Interruption CA025P 1.2 80 - 120 - 160 1.5 - 3.0 - 4.5 0.25 - 0.35 - 0.45 Roughing Continuous CA515 1.2 100 - 140 - 180 2.0 - 5.0 - 8.0 0.4 - 0.6 - 0.8 PH High Feed Rate Interruption CA025P 1.6 80 - 120 - 160 2.0 - 5.0 - 8.0 0.3 - 0.5 - 0.7 Roughing Continuous PX CA515 1.2 100 - 140 - 180 2.0 - 5.0 - 8.0 0.4 - 0.6 - 0.8 (Low Cutting Force) Interruption (Single-sided) CA025P 1.6 80 - 120 - 160 2.0 - 5.0 - 8.0 0.3 - 0.5 - 0.7 D53