90W Ø6.35x45.72mm tungsten darts billet price is 1.65USD/PC on Nov. 30, 2018. Tungsten dart billets are actually tungsten cylinder rods after surface grinding by center-less processing, and weights are varied from different tungsten contents and rod sizes. We can offer various range of billets, including W-Ni-Fe billet, W-Ni-Cu billet, W-Ni-Cu-Fe, etc. Customers’ specific designs are also welcomed.