Nylock Nuts, Washers and Bolts

$0.30$2.00 inc GST



Nylock Nuts, Washers and Bolts

Nylock nuts, washers and bolts are an essential part of caravanning and camping.

Zinc and galvanised threaded hardware secure equipment from axles to electric backing plates and couplings.

Nylock nuts have become quite popular when used in galvanised u bolt kits due to their locking ability.

7/16 UNF nylock nut suits all 10″ electric backing plates and 9″ mechanical backing plates.

Purchase electric and mechanical backing plates below.

Nylock nuts are mechanically galvanised as opposed to hot-dip galvanising.

Note: Nylock nuts should not be used more than once. Further, they should not be installed with a rattle gun.


  • 3/8″ UNF Zinc Nuts
  • 3/8″ x 1 “UNF Zinc Bolts
  • 7/16″ UNF Zinc Nuts
  • 7/16″ x 1 “UNF Zinc Bolts
  • 1/2″ Galvanised Washers
  • 1/2″ x BSW Galvanised Nylocks
  • 9/16″ x UNF Zinc Nylocks
  • 5/8″ x UNF Zinc Nylocks
  • 5/8″ x BSW Zinc Nylocks
  • 16mm Galvanised Washers
  • Zinc Nylocks to suit Alko 16mm Bolts
  • 16mm Galvanised Nylocks

It is important to note that nylocks have a life span. Should you decide to remove them after tightening, the nylocks must be replaced because the nylon insert is worn.

Replacement occurs when the nylon bush inside the nuts becomes grooved by the thread. Removing the nut, actually, damages the nylon groove and causes it not to re-grip properly when re-tightened.

It is a great idea to re-tighten your u-bolts a few weeks after installation. Mild steel stretches a little and causes a little looseness in the u-bolt clamp.

You might be surprised to find 1/2 a turn in those nylocks when you check them again.

Why U-bolts and Lock Nuts may be the Major Cause of Accidents

Nylock Nuts, Washers and Bolts

Couplemate Trailer Parts sells only the best quality Nylock Nuts, Washers and Bolts and caravan spare parts throughout Australia.

Customers are welcome to either pickup or take advantage of our low freight rates. Express shipping to Melbourne, Sydney, Brisbane, Perth, Adelaide, Darwin, and Hobart.

We also ship products to New Zealand via Australia Post Air Express.

© Steve Wotherspoon July 2, 2017. Images and text may be copied, provided a link back to the copied page and the source is displayed where the content or image is located.

Additional information

Weight 0.05 kg
Dimensions 1 × 1 × 1 cm
Nylock Nuts, Bolts, Washers

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