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