... , Size:M12-M36 Material:Carbon Steel,Alloy Steel1, Elastic rail clips2, Dog spikes, square head screw spikes, timber drive ... tie pads, fish plates and joint bars.4, Rail brace, welded shoulders and rail anchors.5, Standard fasteners.6, Nuts, flat ... , pharmaceutical plants and steel boiler steel. System metallurgical plants, railway bridges, airport hangar, port machinery, high-rise buildings, civil ...