Quick question M3 screw plug gauge

sonflowerinwales

In the country
Good afternoon everyone
I am performing a supplier audit and questioning the M3 screw gauge they are using. It would be good to have a quick check on the GO end major diameter to see if it is worn or not. (I think it is..)
As I am away from my office, I don't have access to all my thread standards.
Please can someone help with the major diameter size and tolerance for an M3 6H GO end?
Thanks
Paul
 
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