ISO - 9177-2
Mechanical pencils for technical drawings — Part 2: Black leads — Classification and dimensions
active, Most Current
| Organization: | ISO |
| Publication Date: | 1 June 2022 |
| Status: | active |
| Page Count: | 12 |
| ICS Code (Drawing equipment): | 01.100.40 |
| ICS Code (Miscellaneous domestic and commercial equipment): | 97.180 |
scope:
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 the letter "P");
- ceramic leads (designated by the letter "C").
Document History
9177-2
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...
January 1, 1989
Mechanical Pencils - Part 2: Black Leads - Classification and Dimensions
A description is not available for this item.