It can appear in either inches or millimeters, so be sure you know which one you’re looking at.

Tool to measure rim bolt pattern. It's the topline c402 bolt circle gauge. It's inexpensive and if you do a lot of. Where the first number shows the holes in the wheel whereas the second shows the diameter.

Wheel pcd gauge, stud bolt pattern rim bolt pattern measuring tool, pcd ruler, lug bolt pattern gauge for 4 5 6 8 holes sliding caliper. For each of these patterns,. Manufacturers specify a bolt's size by indicating its diameter, thread pitch, shank length, grade, head and thread length.

The rims, or wheels, of your car typically come in a few. The combination tool according to claim 1, including the use of the combination tool for measuring 5 bolt patterns of wheel rims and axles. You just need to measure the midpoint of one circle/buttonhole to that of a circle sitting directly.

This is a really simple and handy tool that makes it easy and accurate to measure a rims or hubs bolt pattern. 4, 6, and 8 lug bolt patterns: Bolt patterns can be measured in inches and millimeters using two number system.

For example, if you have a 5 lug. That’s the diameter of the circle formed by the centers of the wheel lugs. 4 bolts on 4″ diameter, 5 bolts on 4.5″ diameter, 6.

Measure from the back of one hole to the center of the hole across from it. To find your bolt pattern, measure the distance as accurately as possible and then find the corresponding bolt pattern in the conversion table below.