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Fishplate Bolt
Fishplate bolt (also known as a rail joint bolt or fish bolt) is a specialized fastener used to secure fishplates (also called joint bars) to the ends of rails in railway tracks. Fishplate bolts are essential for maintaining the alignment, strength, and integrity of rail joints, ensuring smooth...
Features
Fishplate bolt (also known as a rail joint bolt or fish bolt) is a specialized fastener used to secure fishplates (also called joint bars) to the ends of rails in railway tracks. Fishplate bolts are essential for maintaining the alignment, strength, and integrity of rail joints, ensuring smooth and safe train operations. They are designed to withstand high tensile and shear forces, making them critical components in railway infrastructure.
Comparison with Standard Bolts
| Feature | Fishplate Bolt | Standard Bolt |
|---|---|---|
| Material | High-strength or alloy steel | Mild or carbon steel |
| Load Capacity | Higher | Moderate |
| Resistance to Vibration | High | Low to moderate |
| Cost | Higher initial cost | Lower initial cost |
| Application | Rail joints, heavy-haul, high-speed lines | General-purpose applications |
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FAQ
Q: Why use fishplate bolts?
A: They offer high tensile strength and resistance to vibration, making them ideal for securing rail joints in demanding railway applications.
Q: Are fishplate bolts more expensive?
A: Yes, they have a higher initial cost but often provide long-term savings due to reduced maintenance and replacement needs.
Q: Can fishplate bolts be used with all types of fishplates?
A: Yes, they are designed to be compatible with standard and high-strength fishplates.
Q: How do I install fishplate bolts?
A: Insert the bolt through the fishplate and rail, then tighten with a nut to the specified torque.
Q: Can fishplate bolts be reused?
A: Yes, they can be removed and reused if they are in good condition.
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