In plain English: If a dimension on your drawing has no specific tolerance next to it, ISO 2768 tells the machinist what’s allowed.
The ISO 2768-MH tolerance chart provides a set of tables that list the tolerance values for different types of dimensions, including linear dimensions, angular dimensions, and geometric tolerances.
Typical approach:
In plain English: If a dimension on your drawing has no specific tolerance next to it, ISO 2768 tells the machinist what’s allowed.
The ISO 2768-MH tolerance chart provides a set of tables that list the tolerance values for different types of dimensions, including linear dimensions, angular dimensions, and geometric tolerances.
Typical approach: