Application fields of grades Parting & grooving PVD grade for stainless steel and heat-resistant alloys A Turning M YBG105 Wear resistance YBG205 YBG202 B YB9320 Milling M05 M10 M20 M30 Fine- Finishing Medium Roughing finishing machining C Drilling Turning grades for non-ferrous metals N D Wear resistance Information Technical YD101 YD201 N01 N10 N20 N25 Fine- finishing Finishing Medium machining Rouhging E Index A 349