Metric Wheel Nuts and Bolts Description

To identify metric wheel nuts and metric wheel studs look for the following:
^ Identify the metric wheel nut by locating the word Metric stamped on its face.
^ Identify the metric wheel stud by locating the letter M stamped into the end of the wheel stud.

The thread size of the metric wheel nuts and the metric wheel studs are indicated by the following example: M12 x 1.5
^ M = Metric
^ 12 = Diameter in millimeters
^ 1.5 = Millimeters per thread (gap between)