GB/T 70.6-2020 Active National standards

GB/T 70.6-2020 Hexagon socket head cap screws—Fine pitch thread

GB/T 70.6-2020 Hexagon socket head cap screws—Fine pitch thread

Publish Date: 2020-03-06 Implement Date: 2020-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 70.6-2020

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Fasteners

ICS Name: Bolts, screws, and studs

Publish Date: 2020-03-06

Implement Date: 2020-10-01

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: 9 pages

Scope

GB/T 70的本部分规定了内六角圆柱头细牙螺钉的型式尺寸、技术条件和标记。
本部分适用于螺纹公称直径d=8 mm～36 mm、细牙螺纹、性能等级为8.8、10.9、12.9/12.9、A2-50、A2-70、A3-50、A3-70、A4-50、A4-70、A5-50、A5-70、CU2和CU3、产品等级为A级的内六角圆柱头螺钉。

Development Information

Drafting Units:

中机生产力促进中心、宁波金鼎紧固件有限公司、常熟市标准件厂有限公司、晋亿实业股份有限公司、湖南申亿机械应用研究院有限公司、江苏新迅达不锈钢制品有限公司、江苏百德特种合金有限公司、浙江东辉金属制品有限公司、眉山中车紧固件科技有限公司

Word Count: 16 Thousand words Pages: 9 pages

Referenced Standards

GB/T 3098.10 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 2516-2003 General purpose metric screw threads—Limit deviations GB/T 2516-2023 General purpose metric screw threads—Limit deviations 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 12474:2010

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