... Coated or not coated. 5) ISO 9001:2008... carbide end mill,tungsten carbide milling cutters,end milling cutters,end mills, 2Flute-4Flute1 ... . Micrograin carbide rod: WC=90%, Co=10%, TRS>3800N/mm2; Hardness> ... steel, heat-treament steel. Aluminum alloy steel, Non ferrous alloy, carbide end mill,solid carbide milling cutters,ball nose milling cutters