Quote Originally Posted by welder View Post
They do have a set at work but never use them I asked why and the boss replied by saying "Telesopic gauges are only accurate to about 2 thou and aren't repeatable enought so always try and use an inside micrometer and check the reading with an outside micrometer "

i thought this was the best way to do it as well. its like using your inside mic as a telescopic gauge. i do think you can get a better result than 0.002 with telescopic gauges thou. best listen to the boss and not me.
Aaron.