On Fri, 02 Dec 2005 14:24:03 -0600, R. I. Nelson wrote:

>...
> The company I had worked for used and told me to use the term "0 
> tolerance" when the part measured 1.00000" with the micrometers we had.

This is a marketing department decision, and has nothing to do with engineering.  They can call it "0 
tolerance", "nil error", "ultimate accuracy", or "magic measurement", the name does not affect the 
engineering.  What you have is not zero tolerance, it's tolerance is lower than your ability to measure it, 
that's all.

Cheers,



Howard Winter
St.Albans, England


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