Negative inserts General turning Ideal machining conditions TNMM L I.C S d Turning inserts Normal machining conditions Unfavourable machining conditions 22 04 27 06 22 27.5 12.7 15.875 4.76 6.35 5.16 6.35 A TN** negative insert HC1 (CVD) HC1 (PVD) HT HC2 HW P Turning 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 HDR TNMM220412-HDR 1.2 2-9 0.25-0.80 ż TNMM220416-HDR 1.6 2-9 0.35-1.00 ż Milling TNMM270616-HDR 1.6 2-6 0.35-1.00 Ɣ TNMM270624-HDR 2.4 2-7 0.4-1.2 Ɣ ż Heavy Turning Ɣ Ex stock ż On demand HC1 Coated carbide YBC152F, YBC252F, YBM153F, YBM253F available HT Uncoated cermet HC2 Coated cermet HW Uncoated carbide Tool holder C PTFNR/L PTTNR/L PTGNR/L MTGNR/L MTJNR/L MTJNR/L MTFNR/L Kr: 91° Kr: 60° Kr: 90° Kr: 90° Kr: 93° Kr: 93° Kr: 91° Drilling A213 A214 A215 A226 A227 A228 A229 D Information Technical E Index System code A42 Grade selection A40 Technical info A447 Cutting data A324 A 87