... paper with the detailed size and requirements. This is best for your choice.About TUngsten CarbidePropertiesHigh melting point, Good hardness, ... nuclear. Medical, and so on.Application toolsMining tools, for example, micro drill drawing dies for metal wires and rods sealing rings, bushes, ... prodcts are produced to your own requirements.3.As for other tungsten carbide you do not know its function ...