... fishplate, rail support, steel sleeper, rail anchor, track rod, gauge plate, nylon yarn, rubber foot.2 Standard componentsA: Hex bolt, square ... bolt, steel structure bolt, torshear type high strength plain washer, high strength bolt for bridge, stud ... spike, hexagon flange bolt, bolt for carriage, handing down bolt, T type bolt, hinged bolt.B: Hex nut, square nut, hex ...