GB/T 3750.3-1983
Replaced
GB/T 32076.7-2015
Active
National standards
GB/T 32076.7-2015 High-strength structural bolting assemblies for preloading—Part 7:M39~M64—Hexagon bolt with large width acrossflats and nut assemblies
GB/T 32076.7-2015 High-strength structural bolting assemblies for preloading—Part 7:M39~M64—Hexagon bolt with large width acrossflats and nut assemblies
Basic Information
Standard Code:
GB/T 32076.7-2015
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Fasteners
ICS Name:
Bolts, screws, and studs
Publish Date:
2015-10-09
Implement Date:
2016-06-01
Pages:
22 pages
Scope
This part of GB/T 32076 and GB/T 32076.1 specifies high-strength bolt and nut fasteners for thread sizes M39 to M64, large hexagonal series, performance grades 10.9/10, HV type, and preload connection in high-strength bolted structures.
This part is applicable to high-strength bolt fasteners used in industrial and civil buildings, bridges, tower structures, boiler steel structures, lifting machinery, and other steel structures with preload connection.
Appendix A provides the total clamping length and clamping length of bolt and nut fasteners.
Development Information
Same series standard
GB/T 32076.1-2015 High-strength structural bolting assemblies for preloading—Part 1:General requirements
GB/T 32076.2-2015 High-strength structural bolting assemblies for preloading—Part 2:Suitability for preloading
GB/T 32076.3-2015 High-strength structural bolting assemblies for preloading—Part 3:System HR—Hexagon bolt with large width across flats and nut assemblies
GB/T 32076.4-2015 High-strength structural bolting assemblies for preloading—Part 4:System HV—Hexagon bolt with large width across flats and nut assemblies
GB/T 32076.5-2015 High-strength structural bolting assemblies for preloading—Part 5:Plain washers
GB/T 32076.6-2015 High-strength structural bolting assemblies for preloading—Part 6:Plain chamfered washers
Referenced Standards
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 3098.2-2000 Mechanical properties of fasteners—Nuts—Coarse thread
GB/T 3098.2-2015 Mechanical properties of fasteners—Nuts
GB/T 3103.1-2002 Tolerances for fasteners—Bolts, screws, studs and nuts
GB/T 3103.3-2000 Tolerances for fasteners—Plain washers
GB/T 3103.3-2020 Tolerances for fasteners—Plain washers
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 5267.3-2008 Fasteners—Hot dip galvanized coatings
GB/T 5779.1-2000 Fasteners—Surface discontinuities—Bolts,screws and studs for general requirements
GB/T 5779.2-2000 Fasteners—Surface discontinuities—Nuts
GB/T 9145-2003 General purpose metric screw threads—Limits of sizes for the screw threads of medium quality and preferable plan
GB/T 22028-2008 Hot-dip galvanized screw threads—On internal screw threads there is the clearance for accommodating the hot-dip galvanized coat
GB/T 32076.1-2015 High-strength structural bolting assemblies for preloading—Part 1:General requirements
GB/T 32076.2-2015 High-strength structural bolting assemblies for preloading—Part 2:Suitability for preloading
GB/T 3098.2-2025 Mechanical properties of fasteners—Part 2:Nuts
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