GB/T 70.3-2008
Hexagon socket countersunk head screws (English Version)
- Standard No.
- GB/T 70.3-2008
- Language
- Chinese, Available in English version
- Release Date
- 2008
- Published By
- General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
- Status
- 2023-12
- Replace By
- GB/T 70.3-2023
- Latest
- GB/T 70.3-2023
- Replace
- GB/T 70.3-2000
- Scope
- This part specifies hexagon socket head screws with thread specifications M3~M20, performance grades 8.8, 10.9 and 12.9, and product grade A. If other technical requirements are required, they should be selected from current standards (such as GB\T 196, GB\T 3106, GB\T 3098.1 and GB\T 3103.1).
GB/T 70.3-2008 Referenced Document
- GB/T 1237 Designation system for fasteners
- GB/T 16938 Fasteners.Gerneral requirements for bolts,screws,studs and nuts
- GB/T 196 General purpose metric screw threads--Basic dimensions
- GB/T 197 General purpose metric screw threads—Tolerances*， 2018-03-15 Update
- GB/T 2 Fasteners.Ends of parts with external thread*， 2016-02-24 Update
- GB/T 3098.1 Mechanical properties of fasteners.Blots, screws and studs*， 2011-01-10 Update
- GB/T 3103.1 Tolerances for fasteners--Bolts,screws,studs and nuts
- GB/T 3106 Fasteners.Bolts, screws and studs.Nominal lengths and thread lengths*， 2016-02-24 Update
- GB/T 5267.1 Fastener Plating*， 2023-05-23 Update
- GB/T 5267.2 Fasteners—Non-electrolytically applied zinc flake coatings*， 2021-12-31 Update
- GB/T 5276 Fasteners.Bolts, screws, studs and nuts.Symbols and descriptions of dimensions*， 2015-12-10 Update
- GB/T 5779.1 Fasteners-Surface discontinuities-Bolts,screws and studs for general requirements
- GB/T 5779.3 Fasteners-Surface discontinuities-Bolts,screws and studs for special requirements
- GB/T 70.5 Gauging of hexagon sockets
- GB/T 90.1 Fasteners—Acceptance inspection*， 2023-05-23 Update
- GB/T 90.2 Fasteners--Marking and packaging
GB/T 70.3-2008 history
- 2023 GB/T 70.3-2023 Hexagon socket countersunk head screws with reduced loadability
- 2008 GB/T 70.3-2008 Hexagon socket countersunk head screws
- 2000 GB/T 70.3-2000 Hexagon socket countersunk head screws
GB/T 70.3-2008 -All Parts
GB/T 70.1-2008 Hexagon socket head cap screws
GB/T 70.2-2015 Hexagon Socket Head Screws
GB/T 70.3-2023 Hexagon socket countersunk head screws with reduced loadability
GB/T 70.4-2015 Hexagon socket button head screws with collar
GB/T 70.5-2008 Gauging of hexagon sockets
GB/T 70.6-2020 Hexagon socket head cap screws－Fine pitch thread