International Standard
ISO 9177-2:2022
Mechanical pencils for technical drawings — Part 2: Black leads — Classification and dimensions
Reference number
ISO 9177-2:2022
Edition 2
2022-06
International Standard
Read sample
ISO 9177-2:2022
83353
Published (Edition 2, 2022)

ISO 9177-2:2022

ISO 9177-2:2022
83353
Language
Format
CHF 42
Convert Swiss francs (CHF) to your currency

Abstract

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”).

General information

  •  : Published
     : 2022-06
    : International Standard published [60.60]
  •  : 2
     : 4
  • ISO/TC 10
    97.180  01.100.40 
  • RSS updates

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