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How To Measure A Bolt Pattern On A Hub And Drum Assembly

Question:

to measure hub-drum for bolt circle, do you measure center-of #1 hole to center of # 3 hole? I have been told, from outside hole #1 to center of hole # 3 ?.

asked by: Jim B


Expert Reply:

To measure a bolt pattern it will always be from center of bolt hole not the outside of the bolt hole.

If you have a bolt pattern with an even number of lugs you will measure from center of one bolt hole to center of the bolt hole directly across from it. If you have a bolt pattern with odd number of lugs you will measure from center of one bolt hole to the point halfway between the two bolt holes directly opposite from the first.

I am sending you a link to a FAQ page and a link to a video that will show you how to measure a bolt pattern.

expert reply by: Jeff D




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Product Page this Question was Asked From

Quick Trim Chrome Finish Trailer Hub Cover 6 on 5-1/2


Quick Trim Chrome Finish Trailer Hub Cover 6 on 5-1/2

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28 reviews

QT655C

Retail: $21.81

Price:  $12.99

Product Summary:

Tires and Wheels
Accessories
Chrome

Product Specs:

Wheel Trim
Hub Cover


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