Screw spike for Railway  

Railroad Spike Track spikes - a type of railroad spike Track spikes are designed to maintain gauge between the running rails and also they are mean to secure the rail to the tie. Track spikes have various shapes serving for different functions. The materials for railroad spikes production can be carbon or stainless steel based on the requirement, and the surface of the spikes can be plain, black, hot dipped galvanized, or sherardized, etc. Among the various railroad spikes , dog spikes and the screw spikes are the most common types.