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Compact 85mm arm TROJAN M12 square U bolts, galvanised for durability and designed to secure 50mm round trailer axles in tight clearance areas.
In stock
These TROJAN M12 Square U Bolts (51x85mm) are a compact and durable fastening solution for 50mm round trailer axles. Built to last, they feature a galvanised finish that offers excellent protection against rust and wear, even in demanding outdoor and coastal environments.
Key Features:
These U bolts are ideal for applications where space is limited, such as in compact trailers or where axle mounting clearance is tight. The galvanised steel ensures longevity and toughness under vibration, road grime, and moisture exposure.
Common Uses:
Each set comes with nuts and washers for easy, secure installation, allowing you to get back on the road or back on the water with confidence.
Q: Is this U bolt long enough for thick mounting brackets?
These are best suited for standard or slim bracket setups. If you’re working with thick spring plates or double bracket systems, consider a longer U bolt.
Q: What kind of axle does this fit?
It’s designed specifically for 50mm round axles. Not compatible with square or oversized axles.
Q: Does the galvanised finish last in saltwater environments?
Yes, galvanised steel is a top choice for corrosion resistance in marine and wet conditions.
Q: Can I install this with basic tools?
Definitely. A standard socket wrench will do the job.
This U bolt set is great for those looking for a short-arm solution in trailer setups with limited space. The 85mm arm length makes it perfect for compact builds or retrofits where standard-length bolts won’t fit. It meets all strength and durability expectations for trailer axle clamping.
Recommended For:
If you require extra clearance or have a different axle profile, reach out — we’ll help match you with the right size and type for your project.
Installation Tips:
0415343379
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