This standard establishes the definition of cones and specifies the graphical symbol to be used for their indication and methods for their dimensioning and tolerancing.
DIN ISO 3040:1991 history
2016DIN EN ISO 3040:2016 Geometrical product specifications (GPS) - Dimensioning and tolerancing - Cones (ISO 3040:2016); German version EN ISO 3040:2016
2012DIN EN ISO 3040:2012 Geometrical product specifications (GPS) - Dimensioning and tolerancing - Cones (ISO 3040:2009); German version EN ISO 3040:2012
1991DIN ISO 3040:1991 Technical drawings; dimensioning and tolerancing; cones; identical with ISO 3040:1990
1970DIN ISO 3040:1978-04 Technical drawings; dimensioning and tolerancing; cones
DIN ISO 3040:1991 Technical drawings; dimensioning and tolerancing; cones; identical with ISO 3040:1990 was changed to DIN EN ISO 3040:2012 Geometrical product specifications (GPS) - Dimensioning and tolerancing - Cones (ISO 3040:2009); German version EN ISO 3040:2012.