Application fields of grades Indexable drills Application fields of grades – Indexable drills ISO HC1 (CVD) HC1 (PVD) HT HW PCBN & PCD A P01 Turning YBG202 P10 YBG205 YBG212 YBD252 YB6338 P P20 P30 P40 M01 B M10 YBG202 YBG205 YBG212 M M20 Milling M30 M40 K01 YBG202 K10 YBD252 YB6338 C YBG205 K YBG212 K20 K30 K40 Drilling N01 N10 N YD201 N20 N30 D S01 YBG205 YBG202 Information S10 Technical YBG212 S S20 S30 H01 H H10 E H20 H30 Index P Steel N Non-ferrous alloys HC1 Coated cemented carbide HT Uncoated cermet M Stainless steel S Heat-resistant alloys HW Uncoated cemented carbide K Cast iron H Hardened materials C5