Poland Exports of screws, bolts, nuts, coach screws, screw hocks, rivets, of iron or steel to Yemen was US$660 during 2013, according to the United Nations COMTRADE database on international trade. Poland Exports of screws, bolts, nuts, coach screws, screw hocks, rivets, of iron or steel to Yemen - data, historical chart and statistics - was last updated on May of 2024.