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ASME Y14.5 Is a Voluntary Standard
(In accordance with the ASME Y14.5-2009 standard)

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If you want your drawings to have one clear meaning, make certain that it is clear what rules apply. There are no GD&T police that will arrest you for applying an illegal callout. But there are rules that may be contractually binding when a standard is referenced.

Back to Tips Tip added Jun 2010