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What Does PCD Stand For?

Posted on Categories Tyres

Pitch Circle Diameter

PCD stands for Pitch Circle Diameter. It is the diameter of a circle that is used to set the wheel nuts on.

When there are 4 or 6 studs, measuring the PCD is easy. Just measure between opposing nuts, taking the measurements from the center of the nut to the opposite center.

PCD - Pitch Circle Diameter

To calculate the P.C.D. of a five stud wheel or hub, measure from the inside of one hole to the outside of the next hole and multiply by 1.7012.  The picture below shows where to measure from

PCD 5 Stud

Author: Silverlake

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