Greystone Alloys is one of the largest purchasers and processors of tungsten materials in the world. We are end-users of this material, and therefore, we are always one of the most aggressive and competitive purchasers of all tungsten products. We buy all forms including drills, endmills, inserts, wear parts, saws, tips, nibs, compacts, blocks, shavings, turnings, borings, powders, sludges, muds, and more.