Tungsten carbide is a chemical compound containing equal parts of tungsten and carbon atoms. In its most basic form, tungsten carbide is a fine gray powder, but it can be pressed and formed into shapes through sintering for use in industrial machinery, cutting tools, chisels, abrasives, armor-piercing shells and jewelry. · Boron nitride · End mill · High-speed Steel · Brazing · Sintering · Core Drill · Mohs Scale of Mineral Hardness · Drilling rig