| Intervallo dimensionale (°) | Tolleranza (°) | | :-------------------------: | :------------: | | 0 a 90 | ±0,5 | | 90 a 180 | ±1 |

The standard defines two tolerance classes: f (fine) and m (medium).

Although not part of the MK section, it's essential to mention that the standard also defines geometric tolerances for features such as:

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