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Standards GB - Chinese national standards - Page 5003
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
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GB/T 5783-2025
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Fasteners—Hexagon head bolts—Full thread
Standard published on 31.10.2025
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GB/T 5784-2025
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Fasteners—Hexagon head bolts—Reduced shank—Product grade B
Standard published on 31.10.2025
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GB/T 5785-2025
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Fasteners—Hexagon head bolts—Fine pitch thread
Standard published on 31.10.2025
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GB/T 5786-2016
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Hexagon head bolts—Fine pitch thread—Full thread
Standard published on 24.2.2016
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GB/T 5789-1986
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Hexagon flange bolts--Heavy series--Product grade B
Standard published on 17.1.1986
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GB/T 5790-1986
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Hexagon flange bolts--Heavy series--Product grade B
Standard published on 17.1.1986
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GB/T 5795-2006
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China Standard Book Number
Standard published on 18.10.2006
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GB/T 5796.1-2022
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Trapezoidal screw threads—Part 1: Profiles
Standard published on 9.3.2022
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GB/T 5796.2-2022
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Trapezoidal screw threads—Part 2: General plan
Standard published on 9.3.2022
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GB/T 5796.3-2022
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Trapezoidal screw threads—Part 3: Basic dimensions
Standard published on 9.3.2022
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