About Dog Spikes
- Shape and structure: The nail rod of the dog head spike is square, which is different from the threaded spike or spiral spike.
- Head: The head of the nail is made into a chisel shape to make it easier to drive into the wooden sleeper.
- Hook: The other end of the nail has a hook head bent to one side, which can clamp the bottom edge of the rail to fix the rail.
- Use: The dog head spike is mainly used to fix the rail to the wooden sleeper and is an important part of the railway track system.

Key Parameters
| Parameter | Specification | Test Standard |
|---|---|---|
| Material | Q235A Carbon Steel | GB/T 700 |
| Total Length | 165mm ±2mm | GB/T 2828.1 |
| Shank Diameter | 16mm ±0.5mm | GB/T 228.1 |
| Head Size | 32×32mm (Square) | GB/T 90.1 |
| Pull-out Force | ≥25kN (Pine Sleeper) | TB/T 1498 |
| Corrosion Protection | Hot-dip Galvanizing (≥80μm) | GB/T 13912 |


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