ISO 9177-2
Mechanical Pencils - Part 2: Black Leads - Classification and Dimensions
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| Organization: | ISO |
| Publication Date: | 1 January 1989 |
| Status: | active |
| Page Count: | 4 |
| ICS Code (Drawing equipment): | 01.100.40 |
| ICS Code (Miscellaneous domestic and commercial equipment): | 97.180 |
Document History
June 1, 2022
Mechanical pencils for technical drawings — Part 2: Black leads — Classification and dimensions
This document specifies a classification and dimensions for black leads used for mechanical pencils for technical drawings.
Two types of black leads are available:
— polymer leads (designated by...
ISO 9177-2
January 1, 1989
Mechanical Pencils - Part 2: Black Leads - Classification and Dimensions
A description is not available for this item.