ISO 9177-2:2022
Mechanical pencils for technical drawings — Part 2: Black leads — Classification and dimensions
OVERVIEW
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”).
COMMENTS
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PRODUCT DETAILS
Status | Current |
---|---|
Edition | 2022 |
No. of Pages | 4 |
ICS Classification | 01.100.40 Drawing equipment 97.180 Miscellaneous domestic and commercial equipment |
Committee | ISO/TC 10 |
Available for Purchase | For sale in Singapore only |
Adoption | ISO |