| Length of Shorter Side | | Class c / v | | :--- | :--- | :--- | | Up to 10 | ±1° | ±1°30' | | Over 10 up to 50 | ±0°30' | ±1° | | Over 50 up to 120 | ±0°20' | ±0°30' | | Over 120 up to 400 | ±0°10' | ±0°20' | | Over 400 | ±0°5' | ±0°10' |
Note: For nominal sizes below 0.5 mm, the deviations shall be indicated directly next to the nominal dimension. Iso 2768 General Tolerances Pdf
"You chose 'm' for Medium," Elias noted. "For a length between 30mm and 120mm, that gives the machinist a deviation of . In the world of high-precision synchronization, | Length of Shorter Side | | Class
By using these general tolerances, manufacturers can avoid unnecessary costs. If a shop can meet the general tolerance class using standard equipment, they do not need to slow down production to achieve unnecessary precision on non-critical features. In the world of high-precision synchronization, By using
The standard is divided into two distinct parts, often cited together (e.g., ISO 2768-mK) in a drawing's title block:
ISO 2768 is an international standard that defines general tolerance classes for linear and angular dimensions, as well as geometrical features. It is divided into two primary parts: ISO - International Organization for Standardization Part 1 (ISO 2768-1):