Reply to thread

Message: [QUOTE="Bunya, post: 1197161, member: 77196"] When you get down to measuring tenths, everything changes. It takes a lot of skill to make accurate, repeatable measurements down to a tenth. At those ranges, forget the snap (telescoping) gages as well as your inside mic (too clumsy to use in the center of the bore). You need a good quality bore gage. Temperature also becomes a factor and proper techniques have to adopted. Because you are using 2 different instruments for your measurements (bore gage, outside mic), calibration is essential. All this makes [i]accurate[/i] measurements down to a tenth outside the capability of most of us. [/QUOTE]