This International Standard establishes the definition of cones and specifies the graphical symbol to be usedfor their indication and methods for their dimensioning and tolerancing.
EN ISO 3040:2012 Referenced Document
ISO 1119:1998 Geometrical Product Specifications (GPS) - Series of conical tapers and taper angles
ISO 81714-1 Design of graphical symbols for use in the technical documentation of products - Part 1: Basic rules
EN ISO 3040:2012 history
2016EN ISO 3040:2016 Geometrical product specifications (GPS) - Dimensioning and tolerancing - Cones
2012EN ISO 3040:2012 Geometrical product specifications (GPS) - Dimensioning and tolerancing - Cones