The document contains rules for the symbolic representation of holes, counterbores, countersinks and chamfers as well as internal threads and the simplified dimensioning of which by means of leader lines. Apart form the indication of the dimensions of cross sections and depth requirements concerning the features the indication of tolerances of dimensions, form and positions, the indication of surface roughness and the dimensioning of groups of holes are also specified.
DIN 6780:2000 history
2014DIN ISO 15786:2014 Technical drawings - Simplified representation and dimensioning of holes (ISO 15786:2008)
2000DIN 6780:2000 Technical drawings - Simplified representation and dimensioning of holes