ISO 2768-1:1989 Preview
General tolerances -- Part 1: Tolerances for linear and angular dimensions without individual tolerance indications
This standard was last reviewed and confirmed* in 2012.
*Therefore this version remains current
This part is intended to simplify drawing indications and specifies general tolerances in four tolerance classes. It applies to the dimensions of workpieces that are produced by metal removal or are formed from sheet metal. It contains three tables and an informative annex with regard to concepts behind general tolerancing of dimensions.