90W Ø6.35x45.72mm tungsten alloy dart billet price is 1.65USD/PC on Dec. 26, 2018. In a dart, barrel is the main part, which is made in different shapes, from cylinder. We can provide high grade tungsten alloy dart billets for making dart barrels that are slim and two or three of these can fit in the same area in treble bed. These cylinder rod shape tungsten dart billets are provided in different sizes, weights and contents. The knurling pattern is made on the barrels to give the player a confident grip.