The standard holes when you choose ISO in Creo should in fact be according to ISO.
What it looks like today Creo Paramteric 1 & 2:
But the ISO standard are these three for a M12:
I will vote for this only because in ISO, both methods are acceptable, however, the -standard- thread does not need the pitch specified. You only need to specify the pitch if it is not the standard size. What is not clear from the dialog is which one is the standard pitch.
This could be resolved with simple "STD ISO" and "EXT ISO" thread tables similar to how we use UNC and UNF.
And what about pitch into the dimension in drawing? Is this possible?
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