Caravan Wheel Safety Bolts
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WSL Caravan Wheel Safety Bolt
Caravan Medic East Anglia is an authorised supplier of WSL
Caravan Wheel Safety Bolts. The WSL Caravan Wheel Safety Bolt is the
first bespoke wheel bolt designed for the caravan industry. It's a major advancement in the technical
development of a caravan component that has remained unchanged for many years.
Loose Wheel Bolts and Caravan Wheel Detachmnent
Over the past couple of years there have been several reported examples of caravan
wheel detachment. Initially these detachments were thought to be due to owners and service technicians not
tightening wheel bolts up properly. However, when these detachments continued even when it could be proved that
the wheels had been torqued up correctly, the industry knew it had a problem.
Caravans today are much more sophisticated than those previously produced. In many
cases they have increased in size and weight plus they feature more complex braking systems, larger wheel
diameters, low profile tyres and in some cases are fitted with stability control. Yet in that time the
basic bolt holding the wheel assembly together has not changed.
Working in collaboration with world renowned bolt technology specialists, Bolt Science, WSL has developed a new
bolt better suited for this application in modern caravans. The new designs have been tested extensively both at
Bolt Science and the AL-KO research facilities in Germany plus twice on the track at the Millbrook Proving Ground
as part of Bailey of Bristol's accelerated life test programme before being brought to market.
The result is a dedicated Caravan Wheel Safety Bolt which features a bespoke floating collar and a high
performance anti-friction surface finish, which together allow more of the torque energy to be converted into
clamping force rather than being lost to overcome friction, thus significantly reducing the risk of a loss in bolt
torque and potential wheel detachment. The bolts also enjoy the added benefits of a security locking head to offer
greater protection against theft and an anti-corrosion coating for enhanced longevity.
Give Michael a call if you would like to change your caravan wheel bolts to WSL caravan wheel safety bolts.