95WNIFE aircraft tungsten bucking bar price which density is 18.0g/cm3 is 67.70 USD/PC on Jul.06, 2018. For aircraft, it needs different types and shapes of bucking bars in the demolition of fasteners such as rivets and high-lock bolts, professional tools’ maintenance. Bucking bar in ChinaTungsten Online is made of tungsten alloy and its size depends on the size and material of the rivet gun.