ISO 9177-3:2022
Mechanical pencils for technical drawings — Part 3: Black leads — Bending strengths of HB leads
OVERVIEW
This document specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.
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 |