Screw Spike Technical Specification
| Category | Specification |
|---|---|
| Product Name | Screw Spike / Threaded Rail Spike |
| Standards | AREMA Ch.30, EN 13481, TB/T 3475 |
| Material | 45# Carbon Steel / 60Si2MnA Spring Steel |
| Thread Type | Metric M24×75 / Unified 1"×3" |
| Tensile Strength | ≥590 MPa (45# Steel) |
| Surface Treatment | Hot-Dip Galvanized (≥80μm) / Dacromet |
| Head Dimensions | 38×38mm (Hexagonal) |
| Shank Length | 150mm / 165mm / 180mm |
| Thread Length | 50mm / 75mm / 100mm |
Types & Applications
| Type | Feature | Application |
|---|---|---|
| Standard | Flat head, smooth shank | Wooden sleepers |
| Screw Spike | Threaded shank | Concrete sleepers |
| Elastic Spike | Rubber cushion under head | Vibration-sensitive areas |
| High-Head | 38mm head height | Heavy-haul railways |
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