GB/T 3750.3-1983
Replaced
GB/T 5782-2025
Active
National standards
GB/T 5782-2025 Fasteners—Hexagon head bolts
GB/T 5782-2025 Fasteners—Hexagon head bolts
Basic Information
Standard Code:
GB/T 5782-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Fasteners
ICS Name:
Bolts, screws, and studs
Publish Date:
2025-10-31
Implement Date:
2026-02-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国紧固件标准化技术委员会(SAC/TC 85)
Pages:
24 pages
Scope
本文件规定了A和B级六角头螺栓的型式尺寸、技术要求、标志和标签及标记。
本文件适用于螺纹规格为M1.6～M64，粗牙螺纹，性能等级为4.8、5.6、8.8、10.9、12.9/12.9、A2-50、A2-70、A4-50、A4-70、A4-80、D4-70、D4-80、D6-70、D6-80，产品等级为A级和B级，钢和不锈钢制六角头螺栓（以下简称“螺栓”）。
Development Information
Drafting Units:
中机生产力促进中心有限公司、山东高强紧固件有限公司、上海高强度螺栓厂有限公司、定西高强度紧固件股份有限公司、冷水江天宝实业有限公司、宁波宁力高强度紧固件有限公司、宁波九龙创展紧固件股份有限公司、上海集优标五高强度紧固件有限公司、浙江海力股份有限公司、浙江迪特高强度螺栓有限公司、山东腾达紧固科技股份有限公司、浙江东明不锈钢制品股份有限公司、浙江日星标准件有限公司、中广核风电有限公司、湖南申亿精密零部件股份有限公司、成都市欣欣高强度紧固件制造有限公司、安徽长江紧固件有限责任公司、宁波大智机械科技股份有限公司、鹏驰五金制品(昆山)有限公司、衢州天力紧固件有限公司、东台市溱标不锈钢有限公司、浙江国盛汽车科技股份有限公司、浙江瑞昭科技股份有限公司、株洲瀚捷航空科技有限公司、四川奥信紧固件制造有限公司、靖江市飞天紧固件制造有限公司
Replace the following standards
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 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 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 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 3098.23-2020 Mechanical properties of fasteners—M42～M72 bolts,screws and studs
GB/T 3099.4-2021 Terminology of fasteners—Control,inspection,delivery,acceptance and quality
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 5267.3-2008 Fasteners—Hot dip galvanized 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
Adopt standards
ISO 4014:2022
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