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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Mechanical properties of fasteners—Nuts
WITHDRAWN published on 10.12.2015
Selected format:Mechanical properties of fasteners—Tapping screws of stainless-steel
WITHDRAWN published on 25.8.2008
Selected format:Mechanical properties of fasteners—Setscrews
WITHDRAWN published on 26.9.2000
Selected format:Mechanical properties of fasteners—Nuts—Fine pitch thread
WITHDRAWN published on 26.9.2000
Selected format:Mechanical properties of fasteners—Treated steel tapping screws
WITHDRAWN published on 26.9.2000
Selected format:Mechanical properties of fasteners—Tapping screws
WITHDRAWN published on 24.2.2016
Selected format:Mechanical properties of fasteners--Stainless steel bolts, screws, studs and nuts
WITHDRAWN published on 1.1.1986
Selected format:Mechanical properties of fasteners—Bolts, screws and studs made of stainless-steel
WITHDRAWN published on 26.9.2000
Selected format:Mechanical properties of fasteners—Stainless steel Bolts,screws and studs
WITHDRAWN published on 24.6.2014
Selected format:Mechanical properties of fasteners—Components for bolted connections made mainly from materials with a high temperature strength
WITHDRAWN published on 5.11.1992
Selected format:Latest update: 2026-04-02 (Number of items: 2 270 295)
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