Contains generally applicable rules for draughting of lines used in technical drawings for the documentation of technical products. Establishes the types of lines, their designations and their configurations.
BS ISO 128-20:2000 history
2017BS EN ISO 1660:2017 Geometrical product specifications (GPS). Geometrical tolerancing. Profile tolerancing
2000BS ISO 128-20:2000 Technical drawings - General principles of presentation - Basic conventions for lines
1996BS EN ISO 1660:1996 Technical drawings - Dimensioning and tolerancing of profiles
1995BS EN ISO 7083:1995 Technical drawings - Symbols for geometrical tolerancing - Proportions and dimensions