They are subdivided into f (fine), m (medium), g (coarse) and sg (very coarse). This standard is intended to simplify drawings and specifies general tolerances for linear and angular dimensions, concentricity and symmetry in four accuracy levels.
This revision primarily includes the update of the normative references and the expansion of the nominal dimension ranges and the tolerances for thickness ranges or for angles on flat stamped parts. Title (english): Stamped steel parts - Part 2: General tolerances Document type: Standard Publication date: 2011-10 Overview This standard is the technical revision of the standard which has been published in 2010-01. Stay tuned for the first Snapmatic and Creator Competitions on the new systems Follow Rockstar at Twitch.
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