ISO 20318-1:2019
Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 1: Mechanical pencils

Standard No.

ISO 20318-1:2019

Release Date

2019

Published By

International Organization for Standardization (ISO)

Latest

ISO 20318-1:2019

Scope

This document specifies classification, dimensions, quality and test methods for hand-held mechanical pencilss which hold and feed out a lead, and are used for general writing. It is also applicable to multi- function pens equipped with a mechanical pencil unit. However, those pencils attached to machinery instruments such as a plotter are excluded.

ISO 20318-1:2019 Referenced Document

• ISO 20318-2 Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 2: Black leads*， 2019-03-05 Update

ISO 20318-1:2019 history

• 2019 ISO 20318-1:2019 Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 1: Mechanical pencils