Skip to main content
Back

ISO 9177-3:1994

Mechanical pencils -- Part 3: Black leads -- Bending strengths of HB leads

General information

Withdrawn from 26.01.2022
Directives or regulations
None

Standard history

Status
Date
Type
Name
26.01.2022
Main
30.06.1994
Main
Specifies bending strengths and a test method for black leads of HB hardness degree used for mechanical pencils for technical drawings.

Required fields are indicated with *

*
*
*
PDF
89.37 € incl tax
Paper
89.37 € incl tax
Standard monitoring