TurningMillingDrillingTechnicalInformationIndex YCB111 YCB121 YCB131 YCB211 General turning PCBN & PCD inserts A Ideal machining conditions VNGA L I.C S dNormal machining conditions16 0416.69.5254.763.81 Turning CBN inserts Unfavourable machining conditions VN** negative insert BL (CBN) BH (CBN) P K N H B ISO r ap f VNGA160404-2 0.4 0.08-0.50 0.05-0.20 ż ż VNGA160408-2 0.8 0.08-0.50 0.05-0.25 ż Ɣ Ɣ Ex stock ż On demand BL CBN with a low CBN content BH CBN with a high CBN content C Tool holderDVVNN DVJNR/L MVVNN MVJNR/L Kr: 72°30' Kr: 93° Kr: 72°30' Kr: 93° A201 A202 A230 A231 D E System code A40 Grade selection A146 Technical info A447 Cutting data A324 A 152