95WNIFE aircraft riveting tungsten bucking bar price which density is 18.0g/cm3 is 89.50USD/PC on May 21, 2019. High quality ergonomic bucking bars designed to prevent repetitive motion injury while riveting. Enjoy easier, better riveting that studies show will result in less wrist strain and fatigue. Our bucking bars are cast and carefully heat-treated. Working surfaces are highly polished for superb riveting results. This is by far and away the most popular bar in the aviation industry.