Detachment of wheels from vehicles, particularly heavy commercial vehicles, has been a cause of concern for many years. Detached wheels can just come to rest and cause little or no damage. However, in worst cases they can collide with other vehicles causing accidents and even fatalities.

Research from TRL (formerly the Transport & Road Research Laboratory) has indicated that there are 7,500 -11,000 wheel fixing defects every year in the UK alone, resulting in 150-400 wheel detachments, 50-134 of which result in damage only accidents, 10-27 injury accidents and between 3-7 fatalities

TRL’s report also  shows that there is a broad range of causes from insufficient tightening and over tightening to incorrect lubrication, but that failed or worn studs are responsible for most incidences of defective wheel security (45% and 23% respectively)

Checkpoint® Safety has championed wheel safety and protection for over 25 years. As the leading global manufacturer, supplier and inventor of the original wheel nut indicators and retainers it has recently developed the Checkthread® Tool Kit, designed to allow service staff and engineers to check and monitor the quality and integrity of the actual wheel studs, wheel holes and wheel nuts.

“The product should be used when servicing wheels” said Mike Marczynski Checkpoint MD and inventor of the Checkpoint Original® “The thread tester highlights problems with stud threads such as stretching, distortion, damage, cracks and corrosion” he continued “and the Stud Elongation tool (SHET) identifies elongation and damage to wheel stud holes. Finally the Spherical/Conical tool is used to determine the type of stud hole seat on a wheel rim”

The use of the Checkthread® Kit when servicing wheels therefore helps to raise awareness of the critical nature of wheel security but companies are encouraged to place sound policies and procedures to monitor wheel security and to take action

“If wheel problems can be located and minimised or eradicated,” adds Mike “the result can be less accidents occurring on our roads as well as saving money and time by efficient and effective maintenance on commercial vehicles”

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