Cutting Cutting Speed Feed Depth of Cut Work Material Hardness Priority Breaker Grade Mode (SFM) (IPR) (inch) K F 1 R-R/L NX2525 475─655 .002─.005 .008─.024 A L 1 N-Flat UC5105 440─805 .003─.012 .012─.079 TURNING INSERTS L 2 N-Flat NX2525 395─540 .003─.012 .012─.079 L 3 R-Std NX2525 395─540 .003─.012 .012─.079 M 1 N-Flat UC5105 440─805 .003─.012 .012─.079 M 2 N-Flat NX2525 395─540 .003─.012 .012─.079 M 3 R-Std NX2525 395─540 .003─.012 .012─.079 Gray Cast Iron F 1 R-R/L NX2525 475─655 .002─.005 .008─.024 < 350MPa (AISI No 45B) F 2 R-R/L HTi10 330─460 .002─.005 .008─.024 L 1 N-Flat UC5115 425─785 .003─.012 .012─.079 L 2 N-Flat UE6110 410─655 .003─.012 .012─.079 M 1 N-Flat UC5115 425─785 .003─.012 .012─.079 M 2 N-Flat UE6110 410─655 .003─.012 .012─.079 F 1 R-R/L UTi20T 260─375 .002─.005 .008─.024 L 1 N-Flat VP15TF 375─525 .003─.012 .012─.079 M 1 N-Flat VP15TF 375─525 .003─.012 .012─.079 F 1 R-R/L NX2525 460─620 .002─.005 .008─.024 L 1 N-Flat UC5105 410─770 .003─.012 .012─.079 L 2 N-Flat NX2525 375─510 .003─.012 .012─.079 L 3 R-Std NX2525 375─510 .003─.012 .012─.079 M 1 N-Flat UC5105 410─770 .003─.012 .012─.079 M 2 N-Flat NX2525 375─510 .003─.012 .012─.079 M 3 R-Std NX2525 375─510 .003─.012 .012─.079 F 1 R-R/L NX2525 460─620 .002─.005 .008─.024 < 450MPa F 2 R-R/L HTi10 310─440 .002─.005 .008─.024 L 1 N-Flat UC5115 410─740 .003─.012 .012─.079 L 2 N-Flat UE6110 395─620 .003─.012 .012─.079 M 1 N-Flat UC5115 410─740 .003─.012 .012─.079 M 2 N-Flat UE6110 395─620 .003─.012 .012─.079 F 1 R-R/L UTi20T 245─345 .002─.005 .008─.024 L 1 N-Flat VP15TF 360─490 .003─.012 .012─.079 M 1 N-Flat VP15TF 360─490 .003─.012 .012─.079 Ductile Cast Iron F 1 R-R/L NX2525 410─560 .002─.005 .008─.024 L 1 N-Flat UC5105 375─690 .003─.012 .012─.079 L 2 N-Flat NX2525 345─460 .003─.012 .012─.079 L 3 R-Std NX2525 345─460 .003─.012 .012─.079 M 1 N-Flat UC5105 375─690 .003─.012 .012─.079 M 2 N-Flat NX2525 345─460 .003─.012 .012─.079 M 3 R-Std NX2525 345─460 .003─.012 .012─.079 F 1 R-R/L NX2525 410─560 .002─.005 .008─.024 < 800MPa F 2 R-R/L HTi10 280─395 .002─.005 .008─.024 L 1 N-Flat UC5115 360─655 .003─.012 .012─.079 L 2 N-Flat UE6110 345─560 .003─.012 .012─.079 M 1 N-Flat UC5115 360─655 .003─.012 .012─.079 M 2 N-Flat UE6110 345─560 .003─.012 .012─.079 F 1 R-R/L UTi20T 210─310 .002─.005 .008─.024 L 1 N-Flat VP15TF 310─440 .003─.012 .012─.079 M 1 N-Flat VP15TF 310─440 .003─.012 .012─.079 A103