Railway Dog Spike

Doghead rail spikes are fasteners used to connect rails and sleepers in railway track systems. They are shaped like a dog's head, with a square rod and a chisel-shaped tip. The rod has a hook on top that is used to hook onto the bottom edge of the rail and secure the rail. Doghead rail spikes are primarily used on wooden sleeper lines, where they are driven into the sleepers to secure the rails and the tie plates.

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Description

Technical Parameters

Dog Spike Technical Specifications

Parameter	Specification	Remarks
Name	Dog Spike	Traditional railroad spike with a "dog head" shape
Standard	AREMA (US) / BS (UK) / TB/T 等 (China)	Varies by region
Material	Low-carbon steel (Q235, 55# steel)	High durability, rust-resistant
Surface Treatment	Hot-dip galvanized or black oxide	Prevents corrosion
Size (Common)	Length: 130–165 mm Head Width: 25–32 mm Shank Diameter: 12–16 mm	Adjustable based on rail type
Application	Fixing rails to wooden sleepers (ties)	Used in traditional railway tracks
Installation	Hammer-driven into wooden sleepers	Requires manual or machine driving
Load Capacity	Withstands dynamic train loads (20–30 kN)	Depends on rail weight
Alternative Types	- Screw Spike (for concrete sleepers) - Elastic Spike (for high-speed rail)	Modern replacements in some systems