Iso 2768-mk — Pdf

| Nominal Length of Shorter Side (mm) | Tolerance (degrees/minutes) | | :--- | :--- | | Up to 10 | ±1° | | >10 up to 50 | ±0°30' | | >50 up to 120 | ±0°20' | | >120 up to 400 | ±0°10' | | >400 | ±0°5' |

The notation combines two distinct tolerance classes from two parts of the standard: iso 2768-mk pdf

Understanding ISO 2768-MK: General Tolerances for Metallic Linear and Angular Dimensions | Nominal Length of Shorter Side (mm) |

Or more explicitly: