General tolerances for linear measures and level squares with four tolerance classes are useful for simplifying drawings. By choosing the tolerance class precision levels common in workshops should be taken into account.
Fornominalsizesbelow0.5mm,thelimitmeasuresareusuallyindicateddirectlyatthe nominalmeasure.IfgeneraltolerancesaccordingtoISO2768-1arevalid,thefollowing. ISO Asset management – Management systems – Guidelines for the application of ISO 55001 ISO 56003:2019 Innovation management - Tools and methods for innovation partnership - Guidance.