40mm Galvanised Trailer U-Bolt Kit with Fish Plates & Axle Pads

PRODUCT OVERVIEW

This 40mm square galvanised U-bolt kit is designed to securely clamp a single trailer axle. Supplied with nyloc nuts, flat washers, slotted fish plates and axle pads, it provides a strong, corrosion-resistant solution suitable for marine, boat and general trailer applications. The kit suits 40mm square axles and 45mm wide trailer springs.

KEY FEATURES

• Heavy-duty galvanised finish for excellent corrosion resistance in harsh environments
• Rated at 375kg per U-bolt (1500kg per set of 4 on a single axle)
• Includes nyloc nuts and flat washers for secure, vibration-resistant clamping
• Designed for 40mm square axles and 45mm wide trailer leaf springs
• Ideal for boat trailers, marine use and general-purpose trailer applications

SPECIFICATIONS

• U-bolt profile: 40mm (1 1/2") square (measured internally)
• Overall length: 115mm (4 1/2")
• Axle compatibility: suits 40mm (1 1/2") square trailer axles
• Rod diameter: 1/2"
• Thread length: 55mm
• Thread type: 1/2" BSW
• Finish: hot-dip galvanised for enhanced corrosion resistance

KIT CONTENTS

• 4 x 40mm (1 1/2") x 115mm (4 1/2") square galvanised U-bolts
• 4 x sets of 1/2" nyloc nuts and flat washers
• 2 x galvanised slotted fish plates – 88mm x 100mm x 8mm
• 2 x galvanised axle pads – 40mm x 40mm x 8mm

MEASURING U-BOLTS

U-bolts are measured from the inside of the U-section. A 40mm U-bolt suits 40mm axles, drawbars or chassis rails. Overall length is also measured from the inside of the bend to the end of the legs.

FITMENT NOTICE

No specific vehicle or trailer model compatibility is provided. Always confirm axle size, spring width, clearances and load requirements before installation. Installation should be carried out by a competent person following relevant safety standards.