This Standard establishes uniform practices for stating and interpreting dimensioning, tolerancing, and related requirements for use on engineering drawings and in related documents. For a mathematical explanation of many of the principles in this Standard, see ASME Y14.5.1. Practices unique to architectural and civil engineering and welding symbology are not included.
ASME Y14.5-2009 history
1970ASME Y14.5-2018 Certification of Geometric Dimensioning and Tolerancing Professionals