NBN EN ISO 7083 : 1995

Committees responsible
National foreword
Foreword
0 Introduction
1 Scope and field of application
2 References
3 General conditions
4 Proportions
5 Dimensions
6 Examples
Tables
1 Lettering type A
2 Lettering type B
Figures
1 Straightness
2 Flatness
3 Circularity (roundness)
4 Cylindicity
5 Profile of any line
6 Profile of any surface
7 Parellelism
8 Perpendicularity
9 Angularity
10 Position
11 Concentricity and coaxiality
12 Symmetry
13 Simple runout
14 Total runout
15 Indication of toleranced feature (by reference letter)
16 Indication of datum (direct)
17 Indication of datum (by reference letter)
18 Datum target (ISO 5459)
19 Theoretically exact dimension
20 Projected tolerance zone
21 Maximum material condition
22a) Lettering B, vertical
22b) Lettering B, inclined
23a) Lettering B, vertical
23b) Lettering B, inclined

Specifies the recommended proportions and lays down the dimensions for the symbols used to indicate geometrical tolerancing on technical drawings. Harmonises the dimensioning of the symbols with the lettering used for the dimensioning and other indications on the drawing.