ISO 2768-1 General tolerances Part 1: Tolerances for linear and angular dimensions without individual tolerance indications Table 1 — Permissible deviations for linear dimensions except for broken edges (external radii and chamfer heights, see Table 2) – Values in millimeters Tolerance class Permissible deviations for basic size range Designation Description 0.5aup to 3 over 3up … Continue reading ISO 2768-1 and ISO 2768-2 Tolerances