Don’t want to miss out on any new content?
Sign up today to receive weekly updates right to your inbox!
In the world of mechanical engineering and manufacturing, a drawing is a legal contract between the designer and the machinist. But what happens when a dimension on that drawing has no explicit tolerance value listed next to it?
| Nominal Angle Range | Tolerance Class 'm' | | :--- | :--- | | Up to 10mm length of shorter side | ±1° | | >10mm up to 50mm | ±0°30' (30 arc minutes) | | >50mm up to 120mm | ±0°20' (20 arc minutes) | | >120mm up to 400mm | ±0°10' (10 arc minutes) | | >400mm | ±0°5' (5 arc minutes) | iso 2768-mh tolerance chart