95W Ø7.15x54.6mm tungsten dart billet price is 3.75USD/PC on Jan. 29, 2019. Tungsten dart billet, also called tungsten heavy alloy rod, is widely used for making dart barrels, which is because of its big density, and it has replaced copper to be the most popular material. Our advanced technology can make tungsten billet at economic cost. Size can freely follow customer's request. We can control the density from 16-18g/cm3. By this you can design your product accurately.