Call +61 (3) 9646 6400


  • Yellow


a lug nut safety product which comprises separate protective nut caps specially moulded together to form a ring that sits onto a set of lug nuts on a commercial vehicle wheel to help to protect and retain them

Enquire Now Call Now

Fill out your details and we’ll contact you shortly.


Primary Functions

The primary functions of Luglock® are to:

  • Retain lug nuts within the ring structure to reduce the likelihood of them loosening
  • Greatly reduce the likelihood of lug nuts backing away completely from the wheel hub
  • Protect lug nuts from weathering, corrosion and road damage through covering each nut with a cap
  • Reduce the ingress of dirt and extraneous matter into the thread of the lug nut and stud
  • Protect individuals that come within close proximity of the vehicle by covering the lug nuts
  • Provide a clear commitment to roadworthiness and professionalism to other road users, customers, health and safety, road and transportation associations

Primary Benefits

The primary benefits of fitting Luglock® are:

  • Improved safety of structurally critical wheel nut fixings on vehicle wheels
  • To help to reduce maintenance time and costs
  • To provide a cost effective solution to improving lug nut security
  • Product can be re-used many times
  • Improved professionalism, roadworthiness and safety of company image and reputation


This product has applications in various sectors


Examples of applications.


Sizes Available

We stock various sizes for this product.

Luglock® is for US-Spec wheel PCD, and is sized by the corresponding measurement across the flats of the hexagonal nut fitting, along with a measurement of pitch circle diameter (PCD). The size currently available* is:

  • 1" 5/16 nut, 11" 1/4 PCD (10-Stud wheel)

If you have any doubts regarding sizing and product availability or specification, please gather as much information as possible and then contact us for assistance

* Availability depends on current stock levels, dictated by demand.

Convert your measurements with our simple calculator.


Standard Colours

The standard* colours for Luglock® are Silver Grey, Red, Royal Blue, Black and White however subject to a high minimum order quantity, other colours may be available:

*Stock levels can vary.


Recommended Fitting


Material Grade

Luglock® is manufactured in the highest quality polymer and is resistant to moisture/water, road salt, oil, detergents and most other common solvents/contaminants. The material is a robust but lightweight polymer blend that produces a product with the correct rigidity and elongation for this application.



For further information contact Checkpoint Safety