Project number Name Specifications Material Science 1 Fishbolt 22,135/24,135/ 24,145 Q235 2 High strength bolt 22,135/24,135/ 24,145 C45 3 Insulated bolt 22,160/24,160/ 24,170 C45 5 Flat washer 6,25,50 Q235 6 Spring washer 20,8/24, 8/26 , 8 7 Spike 16,165 8 Screw spike M22,185 M24,195 Q235 9 Steel plate / floor QT450-10 10 Fish plate 43Kg/50Kg/60Kg/75Kg B7/45# BS60,BS75R,BS80A BS90A B6/B7 11 Fish plate insulation 43Kg/50Kg/60Kg/75Kg B6/B7 UIC60 UIC54 50#/45#