ARK Heavy Duty U-Bolt Square 45x160mm Long – 5/8″ Dia 80mm Thread for Trailer Axles (SKU: UB4515)

ARK Heavy Duty Trailer Axle U-Bolt – 45mm Square x 160mm Long (SKU: UB4515)

The ARK UB4515 is a heavy-duty U-bolt designed to provide strong, secure axle mounting for 45mm square trailer axles and 60mm wide leaf springs. With its 5/8” diameter and 160mm leg length, this bolt is built to handle serious loads and rough terrain with ease.

Key Features:

• Heavy-Duty 5/8″ Diameter: Extra thickness for strength under pressure and durability over time
• 160mm Arm Length: Long enough for thick saddles, brackets or oversized spring setups
• 80mm Threaded Section: Provides plenty of room for washers, plates, and adjustment
• Perfect Fit: Suits 45mm square axle and 60mm wide leaf spring setups
• Corrosion Resistant: Galvanised steel ideal for marine, coastal, and general outdoor use
• Includes: Heavy-duty nuts and washers (if sold as a kit)

Specifications:

• SKU: UB4515
• Axle Compatibility: 45mm square axle
• Leaf Spring Fit: 60mm wide
• Arm Length: 160mm
• Thread Length: 80mm
• Internal Width: 45mm
• Bolt Diameter: 5/8″ (16mm approx.)
• Finish: Galvanised steel

Whether you’re replacing your suspension hardware or building a new trailer setup from scratch, the UB4515 U-bolt gives you the strength, length, and reliability you need—backed by ARK’s trusted trailer hardware quality.