Search results
Results from the WOW.Com Content Network
The chair screw has a higher cost to manufacture than the rail spike, but has the advantage of greater fixing power—approximately twice that of a rail spike [18] —and can be used in combination with spring washers. [17] The chair screw was first introduced in 1860 in France (French tire-fond) and became common in continental Europe. [19]
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.
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.
Lug wrenches may be L-shaped, or X-shaped. The form commonly found in car trunks is an L-shaped metal rod with a socket wrench on the bent end and a prying tip on the other end. The prying tip is mainly intended to remove hub caps or wheel covers that may be covering a wheel's lug nuts.
Wheel spikes and other "projections on the face of wheels" are prohibited in Hawaii since 2016. [9] In the state of Washington , the Revised Code of Washington prohibits "wheel nuts, hub caps or wheel discs [...] which: (a) incorporate winged projections; or (b) constitute a hazard to pedestrians and cyclists."