GB/T 70.2-2015 Replaced National standards

GB/T 70.2-2015 Hexagon socket button head screws

GB/T 70.2-2015 Hexagon socket button head screws

Publish Date: 2015-12-10 Implement Date: 2017-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 70.2-2015

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Fasteners

ICS Name: Bolts, screws, and studs

Publish Date: 2015-12-10

Implement Date: 2017-01-01

Pages: 12 pages

Scope

This part of GB/T 70 specifies the type, dimensions, technical requirements, and marking of internal hexagonal flat-head screws with thread sizes from M3 to M16 and performance grades of 08.8, 010.9, 012.9, 012.9, A2-070, A2-080, A3-070, A3-080, A4-070, A4-080, A5-070, and A5-080, and product grades of A. The bearing capacity of these screws is reduced according to Table 3. This part applies to internal hexagonal flat-head screws that are screwed into the body using an internal hexagonal wrench.

Development Information

Word Count: 15 Thousand words Pages: 12 pages

Same series standard

GB/T 70.4-2015 Hexagon socket button head screws with collar

Replace the following standards

GB/T 70.2-2008 Hexagon socket button head screws

Superseded by the following standards

GB/T 70.2-2025 Fasteners—Hexagon socket screws—Part 2:Hexagon socket button head screws with reduced loadability

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 193-2003 General purpose metric screw threads—General plan 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 3098.6-2000 Mechanical properties of fasteners—Bolts, screws and studs made of stainless-steel GB/T 3098.6-2014 Mechanical properties of fasteners—Stainless steel Bolts,screws and studs GB/T 3098.6-2023 Mechanical properties of fasteners—Stainless steel bolts,screws and studs GB/T 3103.1-2002 Tolerances for fasteners—Bolts, screws, studs and nuts 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 5267.4-2009 Passivation of corrosion-resistant stainless-steel fasteners 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 9145-2003 General purpose metric screw threads—Limits of sizes for the screw threads of medium quality and preferable plan 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

Adopt standards

ISO 7380-1:2011

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