Indexable heads – QCH series Indexable milling XPHT L S d 16 20 16 20 3.18 3.97 3.1 4 A Ideal machining conditions 25 25 4.76 4.7 Normal machining conditions 30 30 6.35 5.8 Milling inserts Unfavourable machining conditions 32 32 6.35 5.8 Turning XP** milling insert HC1 (CVD) HC1 (PVD) HT HC2 HW P M K N α° S H B YNG151C YBM253 YBM251 YBM351 YNG151 YBD152 YBD252 YBG101 YBG102 YBG205 YBG202 YBG212 YBG302 YBG152 YBG252 YBC302 YBC301 YBC401 YB9320 YD101 YD201 ISO R α Milling XPHT16R0803-GM 8 9 Ɣ XPHT20R10T3-GM 10 9 Ɣ XPHT25R1204-GM 12.5 9 Ɣ XPHT30R1506-GM 15 11 Ɣ XPHT32R1606-GM 16 9 Ɣ Ɣ Ex stock ż On demand HC1 Coated carbide HT HC2 Uncoated cermet Coated cermet C HW Uncoated carbide Drilling D Information Technical E Index System code B26 Grade selection B24 Technical info B463 Cutting data B224 B 199