General turning PCBN & PCD inserts Ideal machining conditions RNGN L I.C S A Turning CBN inserts Normal machining conditions Unfavourable machining conditions 12 04 12 07 12.7 12.7 12.7 12.7 4.76 7.94 RN** negative insert BL (CBN) BH (CBN) P Turning K N H B YZB121 YZB221 YZB231 ISO ap f RNGN120400 0.5-2.0 0.3-0.5 ż ż RNGN120700 0.5-2.0 0.3-0.5 ż ż ż Milling Medium Cut Ɣ Ex stock ż On demand BL CBN with a low CBN content BH CBN with a high CBN content Tool holder C CRDNN Drilling A264 D Information Technical E Index System code A40 Grade selection A146 Technical info A447 Cutting data A324 A 162