GB/T 3750.3-1983
Replaced
GB/T 70.4-2015
Active
National standards
GB/T 70.4-2015 Hexagon socket button head screws with collar
GB/T 70.4-2015 Hexagon socket button head screws with collar
Basic Information
Standard Code:
GB/T 70.4-2015
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Fasteners
ICS Name:
Bolts, screws, and studs
Publish Date:
2015-12-10
Implement Date:
2017-01-01
Pages:
7 pages
Scope
This part of GB/T 70 specifies the type, dimensions, technical requirements, and markings of internal hexagonal flat-head flange screws with thread sizes from M3 to M16, performance grades of 08.8 and 010.9, and product grades of A. The bearing capacity of these screws is reduced according to Table 3. This part is applicable to internal hexagonal flat-head flange screws that are screwed into the body using an internal hexagonal wrench.
Development Information
Same series standard
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 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 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 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 7380-2:2011
Related Standards
GB/T 5277-1985
Active
GB/T 5277-1985 Fasteners—Clearance holes for bolts and screws
GB/T 6560-1986
Replaced
GB/T 6560-1986 Cross recessed pan head thread forming screws
GB/T 6561-1986
Replaced
GB/T 6561-1986 Cross recessed countersunk head thread forming screws
GB/T 6562-1986
Replaced
GB/T 6562-1986 Cross recessed raised countersunk head thread forming screws
GB/T 6563-1986
Replaced