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Measure Your Rim’s Bolt Pattern

Posted by Saturday, 24 November, 2012

If you would like to determine the bolt pattern of your car or a set of rims, the first thing you need to do is count the number of studs.

If there are 4,6 or 8 studs, simply measure the center to center distance between two studs that are across the hub from each other. That measurement is your bolt pattern diameter.

If you have 5 or 7 studs, you will have to take an extra step to determine the bolt pattern. Just a heads up, you’ll need a calculator for this. First, measure the center to center distance between two studs that are across the hub from each other. If there are 5 studs, multiply the measurement by 1.05 to get the bolt pattern diameter. If there are 7 studs, multiply the measurement by 1.03. Because of the multiplication involved, it’s easier to measure 5 or 7 stud bolt patterns in millimeters.

Measure the center to center distance between two studs directly across the hub from each other.

Measure the center to center distance between two studs directly across the hub from each other. Multiply the measurement by 1.05. Measuring in millimeters is the easiest.

Measure the center to center distance between two studs directly across the hub from each other.

Measure the center to center distance between two studs directly across the hub from each other. Multiply the measurement by 1.03. Measuring in millimeters is the easiest.

Measure the center to center distance between two studs directly across the hub from each other.

Click Here for the Bolt Pattern Pro

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