Norme Iso 2768 Mk Here

ISO 2768 is divided into two parts:

When a drawing is labeled "ISO 2768-mK," it implies that any dimension lacking a specific tolerance label (e.g., $50^+0.1_-0.1$) automatically inherits the tolerances defined by the "m" and "K" classes. This is based on the premise that standard manufacturing processes can achieve these tolerances routinely without special attention. norme iso 2768 mk