How to print out standard thread (thread tolerances for 3D printing)

Hello everyone.
I am a beginner in 3D printing and have a little problem.
I have a MakerBot Replicator 2 printer.

Is there a way to print-for example bolt and nut M6 with similar tolerances as metal screw?

I work in the program PARTsolutions v9. It has the ability to export all sorts of standard threads in STL format so you can print this thread.
The problem is that, because of the shrinkage of plastic and inaccuracies of the printer after printing, nut does not fit well on the screw.
I wonder if there's any table for tolerances or something to be able to achieve the accuracy of the workpiece. It is important to point out that the program I am working with has a standard tool for the thread so I can not affect on it, only determine the standard diameter (Nominal diameter/Nenndurchmesser) and standard thread pitch.

Thanks

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