ABSTRACT
In the United States we have the ASME/ANSI Y14.5 Standard that covers all of the basic guidelines on the dimensioning and tolerancing of parts. There are standards such as ANSI B4.4 (Inspection of Workpieces) that explain size limit inspection and the type of gages available and suitable for use. There are also a series of B89 standards (Dimensional Metrology), some of which are still in process, that explain the procedures for verification. One such standard is B89.3.1 (Measurement of Out-of-Roundness), which gives us a more in-depth understanding of that symbol and its ramifications.
