High dust-cap wheel nut indicator 21mm

HBL21 Cap style loose wheel nut indicator for 21mm wheel nut with protection function

1. Provides a simple, visual means of confirming proper wheel torque in seconds. 
2. Reduce your risk of wheel detachment accidents (protect the public, help prevent property and load damage).
3. Lower your maintenance costs by eliminating unnecessary re-torquing.
4. Quickly identify a hot wheel possibly caused by bearing failure or brake drag.
5. Decrease equipment downtime. 
6. Facilitates official roadside inspections. 
7. Clearly visible at night and in bad weather (rain, snow, muddy conditions). 
8. Easy to install. 
9. Costs only a few dollars per wheel. 
10. Pays for itself in just one avoided re-torque procedure.

Available size:

Standard CheckPoint: 17mm, 19mm, 21mm, 22mm, 24mm, 27mm, 28mm, 29mm, 30mm, 32mm, 33mm, 34mm, 35mm, 36mm, 38mm, 41mm

Wheel Nut Cap Style----Long Reach: 17mm, 19mm, 21mm, 22mm, 24mm, 27mm, 30mm, 32mm, 33mm, 35mm, 36mm,
38mm, 41mm

Wheel Nut Cap Style----Short Reach: 32mm, 33mm.

:Wheel Nut Double Link: 32mm, 33mm, 38mm

:Multi Size Wheel Nut Indicator: 18-24mm, 30-38mm, 38-50mm

Safety Lug Lock: 32mm, 33mm (4 1/8inch &104mm stud centres)

*Function:

As an indicator of the nut loose to promote and develop a fast-moving vehicle safety performance indicators, are widely used in the transport industry.

With this indicator, we can carry out routine checks, and once the nut is loose, the indicator pointing through the first time we know where the problem lies, and regular maintenance. Indicator, other security features are subject tightening its thermal sensitivity. When the outside temperature is higher than normal temperatures are being used for the indicator will melt, indicating impending bearing axis or brake problems.

1.Wheel nut indicator are made of PU/PE,it is designed to distort and melt at a vehicle hub/stud temperature of 125 degrees centigrade.

2. Fast shipping way: DHL/Fedex/UPS

3. Car application:

Heavry Truck, Tank Track, Container Truck, Autotrack....and so on....

Wheel Nut Indicator