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