What is the ISO 2768-1?
It is a part of the ISO 2768 family of general tolerances which deals with controlling the variation in the geometrical shapes and sizes of the pieces used in products.
ISO 2768-1 particularly deals with tolerances for :
- a) linear dimensions (e.g. internal and external sizes, step sizes, diameter, radii, distances etc) and
- b) angular dimensions (angles measured between two lines, two linear segments of a polyline or the angle of a circular arc ) without individual tolerance indications.