Description
Technical Parameters
Railway Screw Spikes: Technical Specification
| Parameter | Specification |
|---|---|
| Product Name | Screw Spike (Railway Bolt) |
| Primary Function | Fastens rail baseplate to timber or concrete sleeper |
| Thread Type | Square Thread / Trapezoidal Thread |
| Drive Type | Square Head / Hex Head |
| Material | Medium Carbon Steel (Q345B, 40Cr) |
| Surface Treatment | Hot-Dip Galvanized / Mechanical Galvanizing |
| Tensile Strength | 500-700 MPa |
| Yield Strength | ≥ 340 MPa |
| Corrosion Protection | Zinc coating ≥ 50μm |
| Applicable Standards | AREMA, EN, GB/T, JIS |
Application & Installation Guide
| Characteristic | Details |
|---|---|
| Sleeper Compatibility | Timber sleepers • Concrete sleepers with inserts |
| Installation Method | Power wrench / Manual torque wrench |
| Installation Torque | 300-500 N·m (System dependent) |
| Key Advantage | Provides strong vertical and lateral restraint • Reusable |
| Typical Applications | Rail joints • Turnouts • Bridge decks • Special trackwork |
| Maintenance | Torque check • Anti-loosening check • Corrosion inspection |
| Status | Widely used in various permanent way systems |
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