... or not coated carbide end mill,tungsten carbide milling cutters,end milling cutters,end mills, 2Flute-4Flute 1. Micrograin carbide rod: WC=90%, Co ... of friction, and improve the tools life much. 4. Each end mill is inspected by Zoller measuring and inspection machine. 5 ... , heat-treament steel. Aluminum alloy steel, Non ferrous alloy.. carbide end mill