General turning Positive inserts Ideal machining conditions TCMT L I.C S d A Turning inserts Normal machining conditions Unfavourable machining conditions 22 04 22 12.7 4.76 5.5 TC** positive 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 TCMT220408 0.8 1.2-4.8 0.14-0.42 Ɣ Ɣ Basic Milling Ɣ Ex stock ż On demand HC1 Coated carbide HT Uncoated cermet HC2 Coated cermet HW Uncoated carbide C Drilling D Information Technical E Index System code A42 Grade selection A40 Technical info A447 Cutting data A324 A 130