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Originally Posted by
PinkertonD
I would be reluctant to use that with the possibility of someone not reading the second part. They see "thru" and that's what they drill to. It also does not make sense, if it is a "thru" hole then how can it have a depth?
Of course, after the drilling, when it came down to whom to blame, the driller would be wrong, but then remedial work will be needed and that is just counter productive.
Use separate call-outs. I am not sure whey you are reluctant to do that. Does it make the drawing look untidy? Maybe, but does it remove all ambiguity? YES!
To me you can never give too much information to the workers.