95WNIFE tungsten alloy bucking bar price which density is 18.0g/cm3 is 754.00USD/PC on Jan. 29, 2019. High density tungsten bucking bars are 50% more dense than lead and over twice the density of steel. It presents an easy way to improve ergonomics in an aerospace manufacturing or other plant. Bucking bar is used on the backside of a metal rivet to counter the hammering force. They also can be used to absorb the force of rivet guns, reducing the vibration of bucking. It has different shapes and dimensions, depending on applicable circumstances.