ISO 9177-2:2022
International Standard
Current Edition
·
Approved on
01 June 2022
Mechanical pencils for technical drawings — Part 2: Black leads — Classification and dimensions
ISO 9177-2:2022 Files
English
4 Pages
Current Edition
USD
53.62
ISO 9177-2:2022 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”).
Best Sellers
GSO 150-2:2013
Gulf Standard
Expiration dates for food products - Part 2 :
Voluntary expiration dates
YSMO GSO 150-2:2020
GSO 150-2:2013
Yemeni Technical Regulation
Expiration dates for food products - Part 2 :
Voluntary expiration dates
GSO 9:2022
Gulf Technical Regulation
Labeling of prepackaged food stuffs
YSMO GSO 2055-1:2020
GSO 2055-1:2015
Yemeni Standard
Halal Products - Part 1 : General Requirements
Recently Published
ISO 24223:2026
International Standard
Milk and milk products — Guidance on sample preparation for physical and chemical testing
ISO 9033:2026
International Standard
Aluminium ores — Determination of the moisture content of bulk material
ISO 17516:2026
International Standard
Cosmetics — Microbiology — Microbiological limits
ISO 10328:2026
International Standard
Prosthetics — Structural testing of lower-limb prostheses — Requirements and test methods