ISO 20318-1:2019
Current
The latest, up-to-date edition.
Mechanical pencils and leads for general use — Classification, dimensions, quality and test methods — Part 1: Mechanical pencils
Hardcopy , PDF , PDF 3 Users , PDF 5 Users , PDF 9 Users
French, English
02-26-2019
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.
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