ISO-9177-2 › Mechanical pencils for technical drawings - Part 2: Black leads - Classification and dimensions

ISO-9177-2 - 2ND EDITION - CURRENT
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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.).

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01.100.40 (Drawing equipment)

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Document Number

ISO 9177-2:2022

Revision Level

2ND EDITION

Status

Current

Publication Date

June 1, 2022

Committee Number

ISO/TC 10