Senegal Exports of screws, bolts, nuts, coach screws, screw hocks, rivets, of iron or steel to Liberia was US$96 during 2021, according to the United Nations COMTRADE database on international trade. Senegal Exports of screws, bolts, nuts, coach screws, screw hocks, rivets, of iron or steel to Liberia - data, historical chart and statistics - was last updated on May of 2024.