Codes & Standards - Purchase
ISO 20318-1:2019
Mechanical pencils and leads for general use -- Classification, dimensions, quality and test methods -- Part 1: Mechanical pencils
SKU: iso_067662_165282
Published by ISO
Publication Year 2019
1 Edition
9 pages
Product Details
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.