Description
Technical Parameters
Railway Screw Spike - Application, Handling & Comparison
| Aspect | Details |
|---|---|
| Installation Method | Driven with a high-torque impact wrench or manual wrench. Requires a pre-drilled pilot hole in the timber sleeper. |
| Installation Process | The screw spike is turned into the pilot hole, with the threads pulling it down and drawing the rail head tightly against the tie plate and sleeper. |
| Holding Mechanism | Mechanical Interlock. The threads engage with the wood fibers, providing a strong tensile clamp force. This is superior to the friction-based hold of a dog spike. |
| Key Advantages | - Superior Holding Power: Much higher resistance to pulling out and loosening under vibration. - Improved Gauge Retention: Provides better lateral restraint than dog spikes. - Reusability: Can often be unscrewed and reused without significant loss of holding power, causing less damage to the sleeper. - Maintains Tightness: Less likely to work loose over time compared to driven spikes. |
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