... rail support, steel sleeper, rail anchor, track rod, gauge plate, nylon yarn, rubber foot.2 Standard componentsA: Hex bolt, square bolt ... plain washer, high strength bolt for bridge, stud, timber spike, hexagon flange bolt, bolt for carriage, handing down bolt, T type ... washer, split pin4 Anti-loosen Fasteners Various nuts and bolts (Nylon anti-loosen, mechanical anti-loosen, screw anti-loosen types)5 ...