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2x ARK Trailer U Bolts 52x125mm Long Galvanised Square U-Bolts 1/2″ Dia (SKU: UB24G)
$19.00
Heavy-duty square U-bolts with 52mm width and 125mm long arms. Made from 1/2″ galvanised steel, ideal for trailer frame mounting and corrosion resistance. Sold as a pair.
In stock
The ARK UB24G U-Bolt set is a strong and compact fastening solution for trailer frames, suspension brackets, and axle assemblies. Designed with a 52mm internal width and 125mm long arms, it fits smaller square tubing and is perfect for trailers, RVs, utility setups, and marine applications.
Product Highlights:
- Internal Width: 52mm
- Arm Length: 125mm
- Thread Length: 40mm for solid fastening capacity
- Thread Diameter: 1/2 inch – suitable for most general trailer fittings
- Material: Galvanised steel – anti-rust and corrosion resistant
- Use Case: Perfect for securing crossmembers, brackets, springs, or holding beams to trailer frames
These U-bolts are sold as a pair and are built to last, even in tough Australian environments. Whether you’re towing across dusty plains or parking near the coast, their galvanised finish helps prevent rust and keeps your trailer safe and secure.
ARK’s precision manufacturing ensures every bolt meets industry expectations, making this an essential item for any trailer owner, mechanic, or builder looking for reliable parts without compromise.
FAQ
Q: Will these fit a 50mm square axle?
A: Yes, with a 52mm internal width, they’re suitable for most 50mm square axles or tubing.
Q: Are the threads compatible with standard 1/2″ nuts?
A: Absolutely. The 1/2″ thread size is industry-standard for this type of U-bolt.
Q: Can they be used in marine environments?
A: Yes, the galvanised finish offers strong corrosion resistance for coastal or wet environments.
Q: Do I need a washer for installation?
A: We recommend using flat washers and lock nuts for best performance and stability.
| Weight | 0.6 kg |
|---|---|
| Dimensions | 14 × 8 × 5 cm |
| Location | A-1-8 |
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Evaluation & Recommendation
The UB24G is best suited for trailer owners or custom builders working with 50mm square tubing. With a 125mm arm length and 1/2” thread diameter, it provides a firm, versatile hold for light-to-medium-duty use. Ideal for crossmembers, brackets, or anchoring structural components to square frames.
If you’re unsure whether the bolt will fit your frame size, feel free to contact us for personalised assistance.
Installation Tip: Use a socket wrench for even torque, and always check fit before tightening to prevent over-compression of components.
