Single-sided milling insert SEMT 09T3 with chip-breakers, square for a maximum depth of cut of .1772", with " corner radius, an indexing accuracy according to ISO-tolerance class-M with rounded cutting edges and facet, M8330 PVD coated fine grained WC-Co carbide within ISO-grade ranges P20-P40 and K20-K40 for machining of steel and cast-iron with face mills SSE09