ISO Tolerances

General tolerances in threads, holes, grinding, shapping, milling, boring and lapping are generall accepted whole over world. Which has some standards diameter described in http://www.brassnutbolt.com/din/technical/information/tech_iso_tolerances.html
Example limits and fits unsing hole basis :
Loose running, free running, easy running, sliding, close clearance, slight interference, press fit, medium drive, force etc.,