What would you consider the best way (from a practical point of view - manufacturing environment) to inspect the perpendicularity or runout of the faces of a nut to the thread's axis?
In a customer drawing I encountered the following callout:
Now, I consider myself pretty knowledgeable in GD&T but I never encountered this type of callout before and (as far as I am aware) it is not a valid one by ISO or ASME drafting standards.
Before going back to the client asking for more...
