TurningMillingDrillingTechnicalInformationIndex YCB121 YCB131 YCB211 Indexable milling Face milling A Ideal machining conditions RCMW I.C S d Normal machining conditions 12 04 12 4.76 4.1 Milling inserts Unfavourable machining conditions RN** negative insert BL (CBN) BH (CBN) P M K ap N B SH ISO ap max RCMW1204MO-PCBN 2.7 ż Ɣ Ex stock ż On demand BL (CBN) CBN with a low CBN content BH (CBN) CBN with a high CBN content C D E System code B26 Grade selection B24 Technical info B463 Cutting data B224 B 92