Iso | 2768 General Tolerances Pdf //top\\

For large structures where high precision is impractical. Nominal Length Range (mm) m (medium) c (coarse) v (very coarse) Over 6 to 30 Over 120 to 400 Over 1000 to 2000

Engineers use ISO 2768 to define the allowable deviation for linear and angular dimensions. Without general tolerances, every single dimension on a blueprint would require an individual ± value. This would make drawings cluttered and difficult to read. By referencing "ISO 2768" in the title block, a manufacturer knows exactly how much "wiggle room" they have for non-critical features. Part 1: ISO 2768-1 (Linear and Angular Dimensions) Iso 2768 General Tolerances Pdf