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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
Taper shank twist drills with carbide tips
Standard published on 31.3.1989
Selected format:Taper shank twist drills with carbide tips
Standard published on 30.12.2006
Selected format:T-slot cutters with carbide tips
Standard published on 30.12.2006
Selected format:Square and rectangular keyways
Standard published on 5.6.2003
Selected format:Hobs for parallel side splines
Standard published on 18.5.2005
Selected format:Cutting-off tools for turning with clamp tips
Standard published on 30.12.2006
Selected format:Turning tools for threads with clamp tips
Standard published on 30.12.2006
Selected format:Woodworking machines-Single blade circular sawing machines with travelling table-Nomenclature and acceptance conditions
Standard published on 24.10.2005
Selected format:Square and rectangular keys
Standard published on 5.6.2003
Selected format:Woodworking machines-Single blade stroke circular sawing machines for lengthwise cutting of solid woods and panels-Nomenclature and acceptance conditions
Standard published on 24.10.2005
Selected format:Latest update: 2025-08-25 (Number of items: 2 213 294)
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