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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
End mills with brazed helical hardmetal tips - Part 3: Dimensions of end mills with morse typer shank
Standard published on 3.6.2008
Selected format:End mills with brazed helical hardmetal tips - Part 4Technical specifications
Standard published on 3.6.2008
Selected format:Blanks of diamond circular saw blade—Part 1: For welded saw blades
Standard published on 7.9.2023
Selected format:Blanks of diamond circular saw blade—Part 2: For sintered saw blades
Standard published on 27.11.2023
Selected format:Terminology for abrasives and abrasive products
Standard published on 21.5.2021
Selected format:Tool life testing in face milling
Standard published on 24.2.2016
Selected format:2-Naphthol
Standard published on 19.11.2020
Selected format:Tool life testing in end milling
Standard published on 24.2.2016
Selected format:Tool-life testing with single-point turning tools
Standard published on 24.2.2016
Selected format:Test conditions for numerically controlled turning machines and turning centres—Part 1:Geometric tests for machines with horizontal workholding spindle
Standard published on 28.12.2023
Selected format:Latest update: 2026-06-12 (Number of items: 2 281 969)
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