Tungsten darts, Tungsten dart billets We can supply tungsten dart billets by various sizes and contents, popularly 70~90% tungsten is used for making both soft-tip and steel-tip barrels, ranging from 14~18 gram and 18~40gram respectively, and sometimes offered following customers' specific request.   Billets are actually tungsten cylinder rods after surface grinding by center-less processing, and their weights are varied from different tungsten contents and rod sizes.   Usually we provide products according to client’s specifications. We can also offer a range of different tungsten alloys, including W-Ni-Fe, W-Ni-Cu or W-Ni-Cu-Fe, up to the particular requirement for that high-density alloy. Surface center-less ground can be done upon demand.   If you are interested in our tungsten dart, tungsten dart billets, tungsten dart barrels, please feel free to contact us. Thanks.     Grade Density     80W 15.4-15.8     85W 15.8-16.0     90W 16.7-17.2     95W 17.9-18.1     97W 18.4-18.5     WNiCu 16.0-18.5