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elastic rail spikes work by securing the track to the sleeper or tie. Generally speaking, the rail fastening system consists of rail anchors, rail tie plates, seats, fasteners, nails, screws, bolts, etcThe rail fasteners should be able to effectively maintain the reliable connection between the rail and the sleeper for a long time, and give full play to the buffering performance under the dynamic action, and delay the accumulation of residual deformation of the track. So it should have enough strength, durability and a certain d... more