Serbia Exports of screws, bolts, nuts, coach screws, screw hocks, rivets, of iron or steel to Zambia was US$415 during 2015, according to the United Nations COMTRADE database on international trade. Serbia Exports of screws, bolts, nuts, coach screws, screw hocks, rivets, of iron or steel to Zambia - data, historical chart and statistics - was last updated on May of 2024.