TURNING INSERTS Depth of Cut (inch) TURNING INSERTS OPTIMUM GRADES AND CHIP BREAKERS FOR EXTERNAL TURNING Finish Cutting Light Cutting Medium Cutting Stable Cutting A General Cutting FP LP MP Unstable Cutting NX2525 NX2525 NX2525 F Finish Cutting L Light Cutting M Medium Cutting FP LP MP MC6015 MC6015 MC6015 FP LP MP MC6025 MC6025 MC6025 P Mild Steel .157 .118 FP LP .079 MP .039 0 .004 .008 .012 .016 Feed (IPR) Mild Steel (EX. : ASTM A283, AISI 1010) vc : Cutting speedf: Feed 7° POSITIVE INSERTS WITH HOLE ap : Depth of cut. Cutting Area Chip Breaker Grade 1st Recommendationvc (SFM) f (IPR) ap (inch) F FP NX2525 740 ─ 1050 .002 ─ .008 .008 ─ .036 L LP NX2525 740 ─ 1050 .003 ─ .010 .008 ─ .040 Stable Cutting M MP NX2525 605 ─ 885 .004 ─ .012 .012 ─ .079 F FP MC6015 920 ─ 1395 .002 ─ .008 .008 ─ .036 L LP MC6015 920 ─ 1395 .003 ─ .010 .008 ─ .040 General Cutting M MP MC6015 690 ─ 1165 .004 ─ .012 .012 ─ .079 F FP MC6025 920 ─ 1330 .002 ─ .008 .008 ─ .036 L LP MC6025 920 ─ 1330 .003 ─ .010 .008 ─ .040 Unstable Cutting M MP MC6025 690 ─ 1115 .004 ─ .012 .012 ─ .079 A020