40mm Square Galvanised U Bolt

$10.00 inc GST

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40mm Square Galvanised U-Bolt incl Gal Nylock and Gal Washers

40mm Square Galvanised u-bolt made by Couplemate. We manufacture it own galvanised U bolts. U bolts can be supplied bulk with nuts and washers on the threads in boxes of 50.

Rolled threads with gal flat washer and gal nylock. Thread length is 60mm.

How do I calculate the correct length, measure

  • Spring width plus
  • Axle Pad 8mm plus
  • Axle width plus
  • Nyloc plus

How to Measure U bolts (example)

It is essential you retighten u-bolts approx 200lkms after installation due to steels ability to stretch a little under load.

We stress-tested these u-bolts during manufacture and batch test until destruction.

Destruction loads exceed 17,000kg for 1/2 inch galvanised u-bolts.

Our u-bolts are derated to 375kg each or 1500kg per set of 4 or enough u-bolts to suit a single axle.

The max rating of 60mm Round axles is 3000kg with u-bolt rating @ 1500kg.

Vibration fatigue affects trailer u-bolts. Retightening is essential.

U bolt clamp kits are listed below

Additional information

Weight 0.5 kg
Dimensions 10 × 6 × 2 cm
U Bolt Length

100mm, 112mm, 125mm, 137mm, 150mm


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