Title: ISO general purpose metric screw threads. Tolerances. Deviations for constructional screw threads
ISO 965-3:1998 of ISO 965 specifies deviations for pitch and crest diameters for ISO general purpose metric screw threads (M) conforming to ISO 261 having basic profile according to ISO 68-1.
The deviations specified are derived from the fundamental deviations and tolerances specified in ISO 965-1.