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ARK Galvanised Square U-Bolts 45x140mm 1/2″ with Nyloc Nuts for Trailer Axles (SKU: UB45G)
$10.00
Heavy-duty 45mm wide square galvanised U-bolts for trailer axle mounting. With 140mm leg length, 60mm threaded section, and 1/2″ diameter, perfect for 45mm square axles.
Out of stock
ARK Galvanised Square Axle U-Bolts 45mm x 140mm – Trailer Suspension Essential
When it comes to securing your trailer axle with confidence, ARK’s Galvanised Square U-Bolts are the go-to hardware for a strong and lasting fit. Designed to suit 45mm square trailer axles, these U-bolts are manufactured with robust 1/2″ diameter steel and finished with hot-dip galvanisation to resist rust and harsh outdoor elements.
Key Features:
- Precision Fit: 47mm internal width to perfectly match standard 45mm square axles
- Durable Construction: Heavy-duty 1/2″ (12.7mm) diameter for maximum holding strength
- 140mm Arm Length: Suitable for thicker leaf springs and bracket combinations
- 60mm Threaded Section: Generous threading length for a secure and adjustable hold
- Anti-Vibration Security: Includes Nyloc nuts to help resist loosening during travel
- Corrosion Resistant: Galvanised steel ideal for marine, off-road and all-weather use
Specifications:
- Shape: Square U-Bolt
- Internal Width: 47mm (suits 45mm axle)
- Length: 140mm arm
- Thread Length: 60mm
- Diameter: 1/2 inch (12.7mm)
- Finish: Galvanised steel
- Includes: Nyloc Nuts
Whether you’re assembling a new trailer or replacing tired hardware, these ARK U-bolts provide the essential strength and longevity needed for peace of mind on the road or at the job site.
FAQ
- Q: Will these fit a 45mm square axle?
A: Yes, the internal width of 47mm is specifically designed for 45mm square axles, allowing for a snug and secure fit. - Q: Are the nuts included?
A: Yes, each U-bolt comes with Nyloc nuts included for added vibration resistance. - Q: Are these suitable for boat trailers?
A: Yes, the galvanised finish makes them ideal for marine and coastal applications. - Q: How many U-bolts do I need for one axle?
A: Typically, you’ll need 4 U-bolts (2 per spring), but always check your suspension bracket setup.
| Weight | 0.2 kg |
|---|---|
| Dimensions | 14 × 7 × 5 cm |
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Evaluation & Recommendation
This product is suitable for:
- Trailer builders using 45mm square axles
- Boat trailer owners seeking rust-resistant fittings
- Users replacing old U-bolts for safer suspension setup
Not ideal for:
- Round axle trailers (use round U-bolts instead)
- Axles wider than 45mm
Installation Tips:
- Slide U-bolt over axle and leaf spring into bracket holes
- Tighten Nyloc nuts evenly to avoid tension imbalance
- Use a torque wrench for best safety practices
