ISO 9177-2:2022

Mechanical pencils for technical drawings — Part 2: Black leads — Classification and dimensions

Publication date: 1 qer 2022

General information

Current stage: 60.60 Effective date: 1 qer 2022

Originator: ISO

Owner: ISO/TC 10

Type: International Standard

ICS: 01.100.40 97.180

Gjuha: anglisht

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Statusi: Publikuar

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Scope

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”).

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 9177-2:1989

NOW

PUBLISHED
ISO 9177-2:2022
60.60 Standard published
1 qer 2022

National adoptions

prSSH ISO 9177-2:2022

DPS

Lapsa mekanikë (portamina) për vizatime teknike - Pjesa 2: Majat e zeza - Klasifikimi dhe dimensionet

40.60 Close of voting

DPS/KT 304 më tepër