Negative inserts General turning TN** L I.C S d Ideal machining conditions Normal machining conditions 16 04 22 04 16.5 22 9.525 12.7 4.76 4.76 3.81 5.16 A Turning inserts Unfavourable machining conditions 27 06 27.5 15.875 6.35 5.16 TN** negative insert HC1 (CVD) HC1 (PVD) HT HC2 HW Turning P M K N S H B YNG151C YBD152C YBM153 YBM253 YNG151 YBD052 YBD102 YBD152 YBG101 YBG102 YBG105 YBG205 YBG202 YNT251 YBC152 YBC252 YBC251 YBC352 YBC351 YB6315 YB7315 YB9320 YD101 YD201 ISO r ap f TNMM160408-DR 0.8 0.7-6.0 0.20-0.55 ż Ɣ Ɣ ż Milling TNMM160412-DR 1.2 1-6 0.25-0.70 ż ż Ɣ DR TNMM220408-DR 0.8 0.7-8.0 0.20-0.55 ż ż Ɣ ż TNMM220412-DR 1.2 1-8 0.25-0.70 Ɣ ż ż TNMM220416-DR 1.6 1.5-8.0 0.32-0.90 ż ż ż Roughing TNMM270612-DR 1.2 2.5-11.0 0.25-0.70 ż TNMM270616-DR 1.6 2.5-11.0 0.3-0.9 ż TNMG160408-ER 0.8 2.0-5.6 0.15-0.55 Ɣ ER TNMG160412-ER 1.2 2.0-5.6 0.15-0.60 ż C TNMG220408-ER 0.8 2.0-7.7 0.15-0.55 ż TNMG220412-ER 1.2 2.0-7.7 0.15-0.60 ż Roughing Drilling TNMM160408-LR 0.8 1-5 0.1-0.5 Ɣ Ɣ Ɣ LR TNMM160412-LR 1.2 1.5-6.0 0.1-0.6 Ɣ Ɣ Ɣ Roughing Ɣ Ex stock ż On demand HC1 Coated carbide HT Uncoated cermet YBC152F, YBC252F, YBM153F, YBM253F available HC2 HW Coated cermet Uncoated carbide D Information Technical E Index System code A42 Grade selection A40 Technical info A447 Cutting data A324 A 85