Rail Screw Spike

Rail screw spike, also known as sleeper lag screw, is an essential fastening component for railway and mine track systems. It connects rail tie plates and sleepers tightly, effectively preventing rail displacement under long-term vehicle vibration. We supply two mainstream head types: hexagon head and square flange head screw spikes, matching different wooden and concrete sleepers with plastic dowels.Material & Surface Treatment Raw material: High carbon steel, strong tensile strength and shear resistance Standard finish: Black oxide anti-rust treatment Optional finish: Hot-dip galvanized for coastal humid environment Key Advantages Deep large spiral threads: Great pull-out force, not easy to loose after long operation Integrated forming structure, stable performance under frequent vibration Multiple size specifications (SS25, SS35, M24 etc.) customizable Factory direct supply, strict quality inspection before shipment Support OEM drawing processing for special track projects Application Scenarios Mainline railway, freight railway, light rail Underground mine transportation track Tunnel temporary rail lines, port cargo track