K 1500 Truck 4WD V8-6.5L DSL Turbo VIN S (1999)
Wheel Fastener: Description and Operation
Metric wheel nuts and bolts are identified in the following way:
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The wheel nut has the word Metric stamped on the face.
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The letter M is stamped on the end of the wheel bolt. The thread sizes of metric wheel nuts and bolts are indicated by the following example: M12
x 1.5.
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M = Metric
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12 = Diameter in millimeters
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1.5 = Millimeters per thread (gap between)
