Double-sided milling insert LNGX 1205, rectangular for a maximum depth of cut of 9.0mm, with 0.8mm corner radius, an indexing accuracy according to ISO-tolerance class-G and MM geometry with rounded cutting edges and facet, M8345 PVD coated WC-Co carbide within ISO-grade ranges P30-P50 and M30-M40 for machining of steel and stainless-steel with shoulder mills SLN12