There’s a special rail spike called elastic spike. The elastic spikes are made of spring steel.

There’re double shank elastic spike and single shank screw spike.

The single shank elastic rail spike is manufactured by shearing the double shank elastic rail spike, as what we have as left spike and right spike.

Shanghai Bosheng Industries is specialized in the supplying of rails, turnouts and various rail fastening materials such as rail fishplate, tie plate, rail clips, screw spikes, rail anchors, rail shoulder, rail pads and so on.