Manutec Heavy Duty Trailer U-Bolt M18 x 80mm x 120mm – Galvanised Square U-Bolt (SKU: PWUBOLT/80X105HD)

Manutec Heavy Duty Trailer U-Bolt (PWUBOLT/80X105HD) is a premium-grade fastener engineered for high-strength trailer applications. Manufactured with a robust M18 diameter and corrosion-resistant finish, this square U-bolt is perfect for securing axle hangers, brackets, spring seats, and chassis frames in tough Australian conditions.

Key Features:

• M18 thread – Heavy-duty strength and compatibility with 18mm hardware
• Internal width: 80mm – Suits box tube, axle brackets or crossmembers with 80mm spacing
• Arm/leg length: 120mm – Provides deep clamping for solid mounting
• Thread length: 45mm – Ample thread for washers and double-nut security
• Fully galvanised finish – High resistance to rust and road grime
• Weight: 0.827kg – Solid steel build for reliability and longevity

Common Uses:

• Trailer axle mounting (leaf spring or slipper setups)
• Boat trailer keel roller brackets or bunk boards
• Ute tray and toolbox mounting
• General structural bracing in agricultural or utility trailers
• Any heavy-duty trailer or frame reinforcement project

Installation Tips:

• Ensure correct alignment before tightening
• Use spring washers or nyloc nuts for long-term vibration resistance
• Apply anti-seize on threads to assist with future removal
• Torque evenly across both legs to avoid stress or bend

Why Choose Manutec?

Manutec is a trusted name in the trailer parts industry, known for its durable components and engineering reliability. Whether you’re building a new setup or upgrading an existing rig, this heavy-duty U-bolt ensures your connection is strong, secure, and ready for the road.