A reader emailed me after reading some of my rants on thread ring gages dealing with the problems that come up in their use and calibration. But he added another dimension to the problem since he is in the calibration business: How do the Europeans deal with their solid thread ring gages?
The short answer is that they have the same problems for the same reasons that we have. But they have an edge that we don’t. Let’s see if I can explain this properly.