, such as straightness, flatness, perpendicularity, and symmetry. 8880138.s21i.faiusr.com "K" (Class K)
Because ISO is a globally recognized framework, a drawing specified with ISO 2768-mk can be sent to a machine shop anywhere in the world and be interpreted identically. How to Indicate ISO 2768-mk on a Drawing
Quickly double-check dimension limits during manual inspection without miscalculating the step intervals.
For official, comprehensive tables and strict compliance, it is recommended to download the official PDF from the ISO website or via reputable engineering standards providers.