Wheel Stud / Lug Nut: Description and Operation
Metric Wheel Nuts and Bolts Description
Metric wheel/nuts and bolts are identified in the following way:
* The wheel/nut has the word Metric stamped on the face.
* The letter M is stamped on the end of the wheel bolt.
The thread sizes of metric wheel/nuts and the bolts are indicated by the following example: M12 x 1.5.
* M = Metric
* 12 = Diameter in millimeters
* 1.5 = Millimeters gap per thread