... 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 ... and improve the tools life much. ..4. Each end mill is inspected by Zoller measuring and inspection machine. 5. ... steel. Aluminum alloy steel, Non ferrous alloy, carbide end mill,solid carbide milling cutters,ball nose milling cutters