GB/T 70.1-2008
Hexagon socket head cap screws (English Version)

Standard No.

GB/T 70.1-2008

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

Latest

GB/T 70.1-2008

Replace

GB/T 70.1-2000

Scope

This part stipulates that the thread specifications are M1.6~M64, and the performance grades are 8.8, 10.9, 12.9, A2-50, A2-70, A3-50, A3-70, A4-50, A4-70, A5-50, A5-70, CU2 and CU3, hexagon socket head cap screws of product grade A. See Appendix A for the reference quality of screws. 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, GB\T 3098.6, GB\T 3098.10 and GB\T 3103.1).

GB/T 70.1-2008 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 3098.10 Mechanical properties of fasteners Bolts, scrows, studs and nuts made of non-ferrous metals
• GB/T 3098.6 Mechanical properties of fasteners—Stainless steel bolts，screws and studs*， 2023-05-23 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 70.1-2008 history

• 2008 GB/T 70.1-2008 Hexagon socket head cap screws
• 2000 GB/T 70.1-2000 Hexagon socket head cap screws
• 1985 GB/T 70-1985 Hexagon socket cap head screws

GB/T 70.1-2008 -All Parts