ISO 2768 is an international standard developed by the International Organization for Standardization (ISO) to regulate general tolerance requirements for mechanical parts. Its primary purpose is to simplify engineering drawings . Instead of cluttering a drawing with a tolerance value next to every single dimension, an engineer can add a single note — for example, "ISO 2768-mK" — in the title block. This single callout automatically defines the permissible variation for all features that do not carry an explicit individual tolerance.
The perpendicularity tolerance limits the deviation between two surfaces meeting at a 90∘90 raised to the composed with power angle, based on the longer of the two legs. Symmetry and Run-out general tolerance iso 2768-mk
This article provides an exhaustive deep dive into , explaining what it means, when to use it, how to interpret its tables, and its real-world implications for CNC machining, quality control, and design engineering. ISO 2768 is an international standard developed by
Inspection teams know exactly which thresholds to test against without interpreting ambiguous design intents. Inspection teams know exactly which thresholds to test
ISO 2768 is an international standard for . It is designed for parts where dimensional accuracy is not critical enough to warrant an individual tolerance on every single feature.