Iso 2768-mh Tolerance Chart Jun 2026

The standard has two parts:

Refers to Part 2 of the standard, covering geometrical tolerances like straightness, flatness, and perpendicularity. ISO 2768-1: Linear Dimensions (Class m) iso 2768-mh tolerance chart

| Nominal Dimension Range (mm) | Permissible Deviation for Class 'm' (mm) | | :--- | :--- | | 0.5 up to 3 | ± 0.1 | | >3 up to 6 | ± 0.1 | | >6 up to 30 | ± 0.2 | | >30 up to 120 | ± 0.3 | | >120 up to 400 | ± 0.5 | | >400 up to 1000 | ± 0.8 | | >1000 up to 2000 | ± 1.2 | | >2000 up to 4000 | ± 2.0 | The standard has two parts: Refers to Part

These tolerances apply to broken edges, such as external radii and chamfer heights. Nominal Size Range (mm) Tolerance (± mm) Over 3 to 6 3. Angular Dimensions Angular Dimensions