90.93 Standard confirmed Sep 7, 2026
ISO
ISO/TC 10/SC 1 Basic conventions
International Standard
01.100.20 Mechanical engineering drawings
Published
This document specifies the recommended proportions for the symbols used in technical product documentation. It gives recommended dimensions based on the grid related to the line width to be used.
This document does not apply to symbols used in process plant documentation, which are covered in ISO 81714-1.
The proportions of the symbols are based on the standard heights of lettering given in ISO 3098-1.
WITHDRAWN
ISO 7083:1983
PUBLISHED
ISO 7083:2021
90.93
Standard confirmed
Sep 7, 2026