K 1500 Suburban 4WD V8-5.7L VIN R (1997)
Wheel Fastener: Application and ID
Metric wheel nuts and bolts are identified as follows: The wheel nut has the word "Metric" stamped on the face. The letter "M" is stamped into the end
of the wheel bolt. The thread size of metric wheel nuts and bolts are indicated by the following example:
"M14 x 1.5'
M
= Metric
14
= Diameter in millimeters
1.5 = Millimeters per thread (gap between)
