prusajr/PrusaMendel — pull request #57 by pawl (2012-03-24 08:53:21+00:00)
Title: M3 nut diameter incorrect

The M3 nut diameter should be 5.5 according to McMaster: http://imgur.com/549cO

It looks like 5.5mm is the max allowable M3 nut size and 5.38 is the smallest (source: http://www.roymech.co.uk/Useful_Tables/Screws/Hex_Screws.htm)