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From left: 9 lug nuts and 4 lug nut attached to screw-in wheel studs. A bolt circle with four lug nuts on an Acura. A lug nut or wheel nut is a fastener, specifically a nut, used to secure a wheel on a vehicle. Typically, lug nuts are found on automobiles, trucks (lorries), and other large vehicles using rubber tires.
Until the 2022 season, NASCAR required a wheel to have five traditional lug nuts, as opposed to the single locking lug nut seen in other professional racing categories. Many jackmen watched the tire changers to make sure the lug nuts are tight, as NASCAR rules stated that all five lug nuts must be in contact with the wheel.
Should a lug nut become loose, the pointer will move in line with the movement of the lug nut, i.e. the tips no longer point to each other. The wheel nut indicators allow not only a quick and efficient check of the wheels by the driver, but also by the control authorities. In addition, the inspection can be easily documented with a photo.
With lug bolts, on the other hand, the whole hub usually has to be replaced in case of stripped threads in the hub. One motivation for using lug bolts instead of wheel studs and nuts the number of parts that needs to be attached to the wheel hub. Wheel studs and lug nuts consist of two parts, while the lug bolt is a single part.
Installing a wheel with a lug wrench thus requires a bit of rough guessing about proper tightness. Excessive force can strip threads or make the nuts very difficult to remove. Also, uneven torque between the various lug nuts, or excessive torque, can lead to warping of the brake rotor if the car is equipped with disc brakes.
Another variation of lug nut is the "locking wheel nut", which is used as a theft prevention method to keep thieves from stealing a vehicle's wheels. When utilizing locking wheel nuts, one standard lug nut on each wheel is replaced with a nut that requires a unique key (typically a computer-designed, rounded star shape) to fit and remove the ...
U.S. President-elect Donald Trump refused on Tuesday to rule out using military or economic action to pursue acquisition of the Panama Canal and Greenland, part of a broader expansionist agenda he ...
They then serve to protect the lug nuts or wheel bolts from rust and corrosion that could make them hard to remove when it was necessary to change the wheel to repair a tire. [ 6 ] An option on some cars was a chrome-plated trim ring that clipped onto the outer rim of the wheel, in addition to the center hubcap.
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