TURNING INSERTS Finish Cutting Light Cutting Medium Cutting Stable Cutting General Cutting A R-R/L Flat Top Flat Top Unstable Cutting NX2525 UC5105 UC5105 F Finish Cutting L Light Cutting M Medium Cutting R-R/L Flat Top Flat Top NX2525 UC5115 UC5115 R-R/L Flat Top Flat Top UTi20T VP15TF VP15TF Cast Iron • Ductile Cast Iron (EX. : AISI No 45 B) vc : Cutting speedf: Feed 11° POSITIVE INSERTS WITHOUT HOLE ap : Depth of cut. Cutting Area Chip Breaker Grade 1st Recommendationvc (SFM) f (IPR) ap (inch) F R-R/L NX2525 475 ─ 655 .002 ─ .005 .008 ─ .024 L Flat Top UC5105 440 ─ 805 .004 ─ .012 .012 ─ .079 Stable Cutting M Flat Top UC5105 440 ─ 805 .004 ─ .012 .012 ─ .079 F R-R/L NX2525 475 ─ 655 .002 ─ .005 .008 ─ .024 L Flat Top UC5115 425 ─ 785 .004 ─ .012 .012 ─ .079 General Cutting M Flat Top UC5115 425 ─ 785 .004 ─ .012 .012 ─ .079 F R-R/L UTi20T 260 ─ 375 .002 ─ .005 .008 ─ .024 L Flat Top VP15TF 375 ─ 525 .004 ─ .012 .012 ─ .079 Unstable Cutting M Flat Top VP15TF 375 ─ 525 .004 ─ .012 .012 ─ .079 CLASSIFICATION A078 A029