NEN-ISO 9177-3
Mechanical pencils for technical drawings - Part 3: Black leads - Bending strengths of HB leads
active, Most Current
| Organization: | NEN |
| Publication Date: | 1 February 2022 |
| Status: | active |
| Page Count: | 16 |
| ICS Code (Drawing equipment): | 01.100.40 |
| ICS Code (Miscellaneous domestic and commercial equipment): | 97.180 |
scope:
This document specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.
Document History
NEN-ISO 9177-3
February 1, 2022
Mechanical pencils for technical drawings - Part 3: Black leads - Bending strengths of HB leads
This document specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.
August 1, 1994
Mechanical pencils - Part 3: Black leads - Bending strength of HB leads
This part of ISO 9177 specifies bending strength and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.