95WNiFe aircraft tungsten bucking bar price which density is 18.0g/cm3 is 191.00USD/PC on Jul. 1, 2020. With conventional steel bucking bars, installing rivets in open areas has never been a problem, but when the rivet is in a confined space and the ability to use a heavy enough bar to properly install the rivet without work hardening is not possible, you can use our small yet heavy tungsten bucking bars.