Railroad Track Fishplates Joint Bar

Railroad Track Fishplates Joint Bar

Fish plate, (track joint splint, also known as splint), is a product of rail joint connection. The fish plate is a connecting fastener used for the connection between the rail and the rail. Rail fish plate, which is bolted to the ends of two railroad tracks to join them together, is widely used in light rail, heavy rail and crane rail. So if the quality of the railway fish plate is poor, the caused consequence would be unimaginable. As to the fastening system, fish bolt is the other important part and always firstly chosen in the part of fastening. In general, the rail fastening system is consist of fish bolt, flat washer and spring washer. Every two fish plates mostly need four or six suits of fish bolt.
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Description
Technical Parameters

Rail Fish Plate

Aspect Description
Product Name Rail Fish Plate (aka Joint Bar, Splice Plate)
Primary Function To connect two rail ends together, maintaining alignment and transmitting forces across the joint.
Design - Metal bar (typically steel) with holes for bolts.
- Contoured to match the rail profile (head, web, base).
- May be standard (for straight tracks) or compromise (for different rail sections).
Key Features - Strength: Matches or exceeds the rail strength grade.
- Durability: Hardened or heat-treated for wear resistance.
- Corrosion Protection: Galvanized, painted, or self-color (rust-resistant steel).
- Fit: Precision-machined to ensure smooth rail transition.

Railroad Track Fishplates Joint Bar

Comparison with Other Rail Joint Methods

Feature Fish Plate Welded Joint Glued Insulated Joint
Strength Good (but weaker than rail) Excellent (matches rail) Good
Maintenance High (frequent inspection) Low Moderate
Cost Low High Medium
Application Jointed tracks, temporary fixes CWR (continuous welded rail) Signalized tracks

Railroad Track Fishplates Joint Bar

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Railroad Track Fishplates Joint Bar

Railroad Track Fishplates Joint Bar

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