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Who is the recognized Body / Authority that establishes ?Pitch Diameter? tolerances for thread gages?
For example: a 5/16-18 2B Go / No-Go thread gage has a Class X major pitch dia tolerance of +/- .0002.
Who established that? and how do I reference that in my measuring system for ?Acceptance Criteria? for gages?
I got hit on a recent Stage 2 and need to have it covered at close down.
As always, many thanks
For example: a 5/16-18 2B Go / No-Go thread gage has a Class X major pitch dia tolerance of +/- .0002.
Who established that? and how do I reference that in my measuring system for ?Acceptance Criteria? for gages?
I got hit on a recent Stage 2 and need to have it covered at close down.
As always, many thanks
