China National Standards

China flats GB Standards Search System


GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "flats" GB Standards List:
  • Standard  Code GB Standard Title Standard Class Order
  • GB/T 32076.9-2017
  • High-strength structural bolting assemblies for preloading—Part 9: Torshear type bolt with hexagon head with large width across flats,and nut assemblies flats
    China National Standards
  • GB/T 32076.7-2015
  • High-strength structural bolting assemblies for preloading—Part 7: M39~M64—Hexagon bolt with large width across flats and nut assemblies flats
    China National Standards
  • GB/T 32076.4-2015
  • High-strength structural bolting assemblies for preloading—Part 4: System HV—Hexagon bolt with large width across flats and nut assemblies flats
    China National Standards
  • GB/T 32076.3-2015
  • High-strength structural bolting assemblies for preloading—Part 3: System HR—Hexagon bolt with large width across flats and nut assemblies flats
    China National Standards
  • GB/T 9945-2012
  • Hot-rolled bulb flats flats
    China National Standards
  • GB/T 13388-2009
  • Method for measuring crystallographic orientation of flats on single-crystal silicon slices and wafers by X-ray techniques flats
    China National Standards
  • QB/T 2741-2005
  • Poly-functional furniture of studentflats flats
    China Light Industry Standards
  • GB/T 18230.3-2000
  • Hexagon nuts for high-strength structural bolting with large width across flats--Product grade B--Property classes8 and 10 flats
    China National Standards
  • GB/T 18230.1-2000
  • Hexagon bolts for high-strength structural bolting with large width across flats(thread lengths according to GB/T 3106)--Product grade C--Property classes 8.8 and 10.9 flats
    China National Standards
  • GB/T 18230.4-2000
  • Hexagon nuts for structural boltingwith large width across flats,style 1--Product grade B--Property class 10 flats
    China National Standards
  • GB/T 18230.2-2000
  • Hexagon bolts forhigh-strength structural bolting with large width across flats(short thread length)--Product grade C--Property classes 8.8 and 10.9 flats
    China National Standards
  • GB/T 6131.3-1996
  • Parallel shanks for milling cutters--Part 3:Dimen-sional characteristics of parallel shanks with 2°angular flats flats
    China National Standards
  • GB/T 3104-1982
  • Fasteners--Widths across flats of hexagon products flats
    China National Standards

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