Description
Technical Parameters
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Rail dog spike Fastening System
Railway Dog Spikes are traditional track fasteners featuring a distinctive offset head with a square-shank body and chisel-point tip, forged from medium carbon steel . Also known as cut spikes or crampons, these nails secure T-shaped rails and base plates directly to wooden sleepers, with the sloped head underside gripping the rail base while the tapered point minimizes timber splitting during installation .
Technical Specifications:
| Parameter | Standard Dog Spike | Heavy-Duty Dog Spike | Specification Note |
|---|---|---|---|
| Shank Size | 16mm square | 19mm square/22mm round | AS 1085.8 standards |
| Length | 165mm (6.5") | 150-170mm | Application dependent |
| Material Grade | Q235 (tensile 400MPa) | 45# (tensile 600MPa) | Higher grades for heavy haul |
| Head Style | Offset dog-eared | Spoonhead/sheared | Regional preferences |
| Primary Use | Light rail/branch lines | Mainline/heavy haul | Load classification |
| Surface Treatment | Plain oiled | HDG/color paint | Corrosion protection |
Installation & Maintenance Perspective:
- Driven vertically using spike mauls or mechanized drivers
- Pre-drilled holes reduce timber damage and increase holding power
- Head offset designed for rail base plate clearance
- Even spacing ensures uniform load distribution
- Manual installation possible in remote locations
Maintenance & Operational Perspective
- Manufactured from Q235, 45#, or 55# carbon steel grades
- Tensile strength exceeds 70,000 psi for medium carbon variants
- 0.17-0.25% carbon content balances strength and ductility
- Square shank (16mm typical) resists rotation in sleeper
- Surface options: plain oiled, black oxide, galvanized
Gnee Professional supplier
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