Iso 2768-mk-e Direct
These values apply per 100 mm of length. For longer lengths, the tolerance is prorated but limited by the maximum deviation.
If a feature matters for function or fit, give it an explicit tolerance. ISO 2768-MK-E is for everything else. iso 2768-mk-e
| Tolerance Class | Straightness & Flatness (mm per 100 mm) | Perpendicularity & Symmetry (mm per 100 mm) | Runout (mm) | |----------------|------------------------------------------|----------------------------------------------|--------------| | | 0.2 | 0.5 | 0.2 | These values apply per 100 mm of length
When a designer writes ISO 2768-MK-E in the title block or general notes of a drawing, it instructs the manufacturer that must conform to the specific limits defined by this standard. iso 2768-mk-e