I may have not done it right. I use a 40mm ring gauge and tried to follow the directions. Mine is a 440 and I can count on about 0.0013 sometimes better.
I use a dial indicator if I need to have closer dimensions.
I may have not done it right. I use a 40mm ring gauge and tried to follow the directions. Mine is a 440 and I can count on about 0.0013 sometimes better.
I use a dial indicator if I need to have closer dimensions.