What is square head screws

Screw spike used on railroad is also called sleeper screw, rail screw, produced in large size to fasten rail tie plate to rail sleeper made of wood, GNEE RAIL supplies different screw spike with various length, diameter, drive head and thread profile to worldwide. Here are the various screw spike types: Ss series sleeper screw, square-head screw spike, hexagon screw spike, and double-head screw spike.

Square-head screw spikes are specialized fasteners for railway track fixation, featuring a square-shaped head configuration and a shank with continuous helical threading. This design enables secure connection of rails, sleepers, and ballast beds through rotational installation during track laying, forming a stable track structure.

Square-head screw spikes offer significant benefits:

Enhanced Connection Integrity: The helical threads tightly engage with sleeper materials (e.g., timber sleepers, concrete sleepers), effectively resisting vibratory and impact forces from train operations. This minimizes loosening risks and ensures track stability.

Simplified Installation & Maintenance: Compared to traditional spikes, the screw mechanism allows installation/removal via rotation without forceful hammering. This reduces damage to sleepers and facilitates replacement during subsequent maintenance.

GNEE RAIL as one of a leading railway fasteners manufacturers in China, with production license of Chinese railway Ministry, advanced technology, high precision inspection instruments and service, We manufacture kinds of Railway Screw Spike, Clip and Clamp, High Tensile Bolt with Nut and Washer, Rail Base(Tie) Plate, Rail Fish Plate, Rail Shoulder, Rail Screw and Spike, Fish Bolt with Nut and Washer, Rail Dowel, Rubber and EVA Pad, Crane Rail,heavy rail and Light Rail, Bolt and Other rail fasteners.