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2x ARK Trailer U Bolts 60x80mm Square Galvanised – 1/2″ Diameter with 40mm Thread (SKU: MRUB2G)
$20.00
Pair of ARK square galvanised U bolts – 60mm wide, 80mm arm length, 40mm thread. Heavy-duty 1/2” diameter for trailer and caravan applications.
In stock
ARK MRUB2G Galvanised Square U Bolts are built tough for securing trailer suspension components, brackets, plates, and accessories. With a 60mm internal width and 80mm leg length, these U bolts are ideal for 50mm or 60mm box chassis frames or beam clamping applications.
Manufactured from heavy-duty 1/2” diameter steel and finished with a corrosion-resistant galvanised coating, these U bolts are made to handle tough Australian towing conditions. Each bolt includes a 40mm threaded section for versatile mounting and secure locking.
Sold as a pair (2 U bolts), they are perfect for use on trailers, caravans, boat trailers, roof racks, and various steel fixing projects.
Key Features:
- Internal width: 62mm
- Leg length: 80mm
- Thread length: 40mm
- Thread diameter: 1/2 inch (approx. 12.7mm)
- Square shape for box-section beams and trailer frames
- Hot-dipped galvanised finish for rust protection
- Supplied in pairs – 2 x U bolts included
Use these bolts to lock down axle plates, spring brackets, or any component needing strong, secure, and weatherproof clamping.
FAQ
- Q: What size beam or bracket does this fit?
- A: These bolts suit beams or components approximately 60mm wide, with 62mm internal clearance.
- Q: Are nuts and washers included?
- A: This listing includes only the U bolts. You can pair them with 1/2” UNF or UNC hardware as needed.
- Q: Is the galvanised coating rustproof?
- A: Yes, the hot-dip galvanised finish offers excellent corrosion resistance for outdoor or marine applications.
- Q: Can I weld this U bolt onto my trailer?
- A: U bolts are designed to clamp rather than be welded. For structural integrity, use with mounting plates and nuts.
| Weight | 0.5 kg |
|---|---|
| Dimensions | 10 × 9 × 5 cm |
| Location | A-1-X |
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| size | 60x80mm (WxL) |
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Evaluation & Recommendation
The ARK MRUB2G U bolts are suitable for various trailer and RV applications where box-section frames or suspension hardware need reliable securing. Their galvanised finish ensures performance even in wet or coastal environments.
Recommended for:
- Trailer axle brackets or fish plate installations
- Box trailer frame reinforcements
- Boat trailer bunk or guard mounting
- General purpose steel clamping
Installation Tips:
- Use matching galvanised washers and nyloc nuts for secure clamping
- Tighten gradually and evenly across both arms
- Avoid overtightening to prevent thread damage
If you’re unsure about sizing or fitment, feel free to reach out with your beam dimensions for confirmation.
