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what gaps are needed for bolt and nut threads on injected parts

Question asked by Joel Rapoport on Oct 24, 2012
Latest reply on Oct 29, 2012 by Jerry Steiger

hello all,



didnt know in which section of the forum to put this question....

i have designed parts that are to be injected, and they have a buttres thread which i modeled to the male and female parts.

my problem is that i cant find anywere guidelines on what gap to model between the two threads, and what tolerances.

i have to add that i havent found this info even on iso threads or any other kind of thread.



any help will be great.