How to Measure Wheel PCD Stud Pattern

https://sunrisetrailerparts.com.au/find-your-stud-pattern/#:~:text=Stud%20patterns%20are%20commonly%20otherwise,5%20or%206%20stud%20holes.

 Stud patterns are commonly otherwise known as bolt patterns, bolt circles, lug patterns or PCD’s (pitch circle diameter) – nevertheless, stud patterns are determined by the diameter of a circle which runs through the centers of a wheels stud holes. Oftentimes, there are 4, 5 or 6 stud holes. This diameter determines your stud pattern, in which using the table below, will help provide you important information on your wheel set up such as the stud distance and most commonly used wheel stud size.

“…stud patterns are determined by the diameter of a circle which runs through the centers of the stud holes on a wheel”

https://sunrisetrailerparts.com.au/find-your-stud-pattern/#:~:text=Stud%20patterns%20are%20commonly%20otherwise,5%20or%206%20stud%20holes.