General Tolerance Iso 2768-mk Official
ISO 2768-mK standard is a combined specification used in technical drawings to define general tolerances for parts where specific tolerances are not individually noted. It streamlines the design process by providing a baseline for manufacturing accuracy without cluttering drawings with redundant data. Breakdown of the "mK" Designation
Part 2: Geometrical Tolerances (ISO 2768-2 – Class 'k')
This is where ISO 2768-mk becomes stricter than the 'f' (fine) class. Class 'k' tolerances are tighter than 'L' (coarse) but looser than 'H' (precision). The values depend on the nominal length of the feature.
The designation combines two distinct parts of the ISO 2768 standard: 'm' (Medium): ISO 2768-1 . It governs general tolerances for linear and angular dimensions general tolerance iso 2768-mk
ISO 2768-MK is a widely used international standard for general tolerances. It was published by the International Organization for Standardization (ISO) and provides a framework for defining general tolerances for linear and angular dimensions.
Note: Dimensions below 0.5 mm are typically handled by specific indications, as general tolerances may vary. ISO 2768-mK standard is a combined specification used
This prevents "over-tolerancing," which can lead to unnecessarily high manufacturing costs by requiring tighter precision than the part's function demands. Exceptions:
Approved by:
m (Medium): Refers to ISO 2768-1, which defines tolerances for linear and angular dimensions (lengths, radii, and diameters).