GB/T 70.2-2008 (English Version) PDF

Standard No.: GB/T 70.2-2008
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: Be replaced 2017-01
Replace By: GB/T 70.2-2015
Latest: GB/T 70.2-2015
Replace: GB/T 70.2-2000

Scope: This standard stipulates that the thread specification is M3~M16, the performance grade is 8.8, 10.9 and 12.9, and the product grade is A-grade hexagon socket head screw. 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 70.2-2008 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