GB/T 70.2-2008 Replaced National standards

GB/T 70.2-2008 Hexagon socket button head screws

GB/T 70.2-2008 Hexagon socket button head screws

Publish Date: 2008-08-25 Implement Date: 2009-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 70.2-2008

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Fasteners

ICS Name: Bolts, screws, and studs

Publish Date: 2008-08-25

Implement Date: 2009-02-01

Pages: 7 pages

Scope

This section specifies the thread specifications for M3 to M16, with performance grades of 8.8, 10.9, and 12.9, and product grades of A for hexagonal flat-head screws. Note: Pay special attention to the provisions on tensile load in Table 2 and Table 3. For other technical requirements, they should be selected from current standards (such as GB/T 196, GB/T 3106, GB/T 3098.1, and GB/T 3103.1).

Development Information

Word Count: 11 Thousand words Pages: 7 pages

Same series standard

GB/T 70.1-2008 Hexagon socket head cap screws GB/T 70.3-2008 Hexagon socket countersunk head screws GB/T 70.5-2008 Gauging of hexagon sockets

Replace the following standards

GB/T 70.2-2000 Hexagon socket button head screws

Superseded by the following standards

GB/T 70.2-2015 Hexagon socket button head screws

Referenced Standards

GB/T 2-2001 Fasteners—Ends of parts with external thread GB/T 2-2016 Fasteners—Ends of parts with external thread GB/T 70.5-2008 Gauging of hexagon sockets GB/T 90.1-2002 Fasteners—Acceptance inspection GB/T 90.1-2023 Fasteners—Acceptance inspection GB/T 90.2-2002 Fasteners—Marking and packaging GB/T 196-2003 General purpose metric screw threads—Basic dimensions GB/T 197-2003 General purpose metric screw threads—Tolerances GB/T 197-2018 General purpose metric screw threads—Tolerances GB/T 1237-2000 Designation system for fasteners GB/T 3098.1-2000 Mechanical properties of fasteners—Bolts, screws and studs GB/T 3098.1-2010 Mechanical properties of fasteners—Bolts,screws and studs GB/T 3103.1-2002 Tolerances for fasteners—Bolts, screws, studs and nuts GB/T 3106-2016 Fasteners—Bolts,screws and studs—Nominal lengths and thread lengths GB/T 5267.1-2002 Fasteners—Electroplated coatings GB/T 5267.1-2023 Fasteners—Electroplate coating GB/T 5267.2-2002 Fasteners—Non-electrolytically applied zinc flake coatings GB/T 5267.2-2017 Fasteners—Non-electrolytically applied zinc flake coatings GB/T 5267.2-2021 Fasteners—Non-electrolytically applied zinc flake coatings GB/T 5276-2015 Fasteners—Bolts,screws,studs and nuts—Symbols and descriptions of dimensions GB/T 5779.1-2000 Fasteners—Surface discontinuities—Bolts,screws and studs for general requirements GB/T 5779.3-2000 Fasteners—Surface discontinuities—Bolts,screws and studs for special requirements GB/T 16938-1997 Fasteners—General requirements for blots,screws,studs and nuts GB/T 16938-2008 Fasteners—General requirements for bolts,screws,studs and nuts GB/T 196-2025 General purpose metric screw threads—Basic dimensions

Adopt standards

ISO 7380:2004

Related Standards

GB/T 3750.3-1983 Replaced

GB/T 3750.3-1983 Hollow screws

Publish Date: 1983-06-17

GB/T 5277-1985 Active

GB/T 5277-1985 Fasteners—Clearance holes for bolts and screws

Publish Date: 1985-08-01

GB/T 6560-1986 Replaced

GB/T 6560-1986 Cross recessed pan head thread forming screws

Publish Date: 1986-07-02

GB/T 6561-1986 Replaced

GB/T 6561-1986 Cross recessed countersunk head thread forming screws

Publish Date: 1986-07-02

GB/T 6562-1986 Replaced

GB/T 6562-1986 Cross recessed raised countersunk head thread forming screws

Publish Date: 1986-07-02

GB/T 6563-1986 Replaced

GB/T 6563-1986 Hexagon head thread forming screws

Publish Date: 1986-07-02