Product Name: In Stock Ground Tungsten Carbide Rods by PiecesModel Number: GCR-450/ ... , Milling Machines, Engraving machines15. Work material: Copper, Alloy steel, Tool steel, Carbon steel, Cast Iron, Mold steel, Stainless steelMain Features:Original tungsten powder, made ... mainly for carbide cutting tools production with high efficiency. Ground carbide rods sold by pieces, easily used in the ...