TS EN ISO 3098-6

TS EN ISO 3098-6 is a technical standard for lettering in technical product documentation when the Cyrillic alphabet is used. It supports consistent, legible presentation of written information in technical drawings and related documents, including both text and symbol-like use. The standard is aimed primarily at stencil lettering, while also being applicable to freehand lettering and other suitable methods.

Why Cyrillic lettering matters in technical documentation

Technical documentation relies on more than linework and dimensions; notes, labels, markings and symbols also carry essential information. In environments where Cyrillic script is used, standardising letter form helps drawings remain readable and consistent across design teams, manufacturing sites and supply chains. This part of the ISO 3098 family treats the alphabet as part of the technical drawing language and focuses on the visual discipline of lettering.

What this part covers in practice

• Use of the Cyrillic alphabet in technical drawings and associated documents
• Characters appearing as symbols or as part of text
• Primary applicability to stencil-written lettering
• Applicability to freehand lettering and other appropriate writing methods

In general technical context, lettering standards support orderly reproduction, archiving and exchange of drawings, especially where documents move between different languages, organisations or production systems. As the Cyrillic-specific part of the ISO 3098 series, TS EN ISO 3098-6 addresses the form of lettering in technical documentation; it does not, by itself, reveal any additional character shapes or numerical dimensions beyond what is evidenced in its scope.