Posted by Phil B on February 13, 1999 at 19:35:12:
In Reply to: Re: MEASURING A GROUP posted by Zeus on February 13, 1999 at 15:45:00:
I measure the two holes farthest apart, outside edge to outside edge. Then subtract the bore diameter. That should give you center to center of the two widest holes. Hope I haven't been doin it wrong all this time. he he Phil...