ARK Galvanised U-Bolt for 39mm Round Trailer Axle – 100mm Long with Nyloc Nuts (SKU: AK-UB39G)

ARK Trailer U-Bolt for 39mm Round Axle – Galvanised Finish with Nyloc Nuts (AK-UB39G)

The ARK AK-UB39G U-Bolt is engineered for round trailer axles, ideal for securing 39mm round axle profiles. Manufactured with 1/2″ diameter galvanised steel, it delivers strength and corrosion resistance in marine and general towing environments.

Key Features:

• Round Axle Fit: Suits round axles up to 39mm (internal width ~42mm)
• Durable 100mm Legs: Allows ample clearance for leaf spring brackets
• 60mm Threaded Section: Long enough for washers, mounting plates, and secure adjustment
• Galvanised Finish: Corrosion-resistant for long life—ideal for marine or outdoor use
• Secure Fitting: Includes nyloc nuts for added vibration resistance
• Easy to Install: Standard 1/2″ diameter bolts suit most trailer suspension setups

Specifications:

• SKU: AK-UB39G
• Axle Type: Round (39mm)
• Internal Width: Approx. 42mm
• Arm Length: 100mm
• Thread Length: 60mm
• Bolt Diameter: 1/2 inch (12.7mm)
• Finish: Hot-Dip Galvanised
• Includes: Nyloc Nuts

Ideal for light to mid-size trailers, ARK’s UB39G offers dependable axle clamping with long-lasting strength—even in the toughest Aussie conditions.