TURNING INSERTS Depth of Cut (inch) TURNING INSERTS OPTIMUM GRADES AND CHIP BREAKERS FOR EXTERNAL TURNING M Stainless Steel (<200HB) Stable Cutting L Light Cutting .315 .276 MM HLA.236 General Cutting M Medium Cutting .187 .157.118 Unstable Cutting R Rough Cutting .079 RM.039LM H Heavy Cutting 0 .004 .012 .020 .028 Feed (IPR) Light Cutting Medium Cutting Rough Cutting Heavy Cutting LM MM RM HL MC7015 MC7015 MC7015 US735 LM MM RM HL MC7025 MC7025 MC7025 US735 LM MM RM HL MP7035 MP7035 MP7035 US735 Stainless Steel (EX. : AISI 304, AISI 306) vc : Cutting speedf: Feed NEGATIVE INSERTS ap : Depth of cut. Cutting Area Chip Breaker Grade 1st Recommendationvc (SFM)f (IPR) ap (inch) L LM MC7015 590 ─ 935 .004 ─ .012 .012 ─ .079 M MM MC7015 525 ─ 835 .006 ─ .018 .028 ─ .197 Stable Cutting RH RM MC7015 510 ─ 805 .010 ─ .022 .060 ─ .237HLUS735245 ─ 460.016 ─ . 040.059 ─ .315 L LM MC7025 540 ─ 720 .004 ─ .012 .012 ─ .079 M MM MC7025 490 ─ 655 .006 ─ .018 .028 ─ .197 General Cutting RH RM MC7025 460 ─ 625 .010 ─ .022 .060 ─ .237HLUS735245 ─ 460.016 ─ . 040.059 ─ .315 L LM MP7035 310 ─ 510 .004 ─ .012 .012 ─ .079 M MM MP7035 295 ─ 475 .006 ─ .018 .028 ─ .197 Unstable Cutting RH RM MP7035 280 ─ 440 .010 ─ .022 .060 ─ .237HLUS735245 ─ 460.016 ─ . 040.059 ─ .315 A016