The specification denotes the dimensions of the fasteners used to secure a wheel to a vehicle’s hub. This measurement is crucial for ensuring proper fit and safe operation. For example, an incorrect dimension could lead to wheel detachment or damage to the vehicle’s wheel studs.
Accurate knowledge of this specification is paramount for routine maintenance, such as tire rotations or replacements. Utilizing the correct fastener prevents damage to the wheel and hub assembly, contributing to vehicle safety and longevity. Furthermore, understanding the specification can aid in selecting compatible aftermarket wheels.