GB/T 5781-2016 Replaced National standards

GB/T 5781-2016 Hexagon head bolts—Full thread—Product grade C

GB/T 5781-2016 Hexagon head bolts—Full thread—Product grade C

Publish Date: 2016-02-24 Implement Date: 2016-06-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 5781-2016

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Fasteners

ICS Name: Bolts, screws, and studs

Publish Date: 2016-02-24

Implement Date: 2016-06-01

Pages: 12 pages

Scope

This standard specifies the type, dimensions, technical requirements, and marking of Class C fully threaded hexagonal head bolts. This standard applies to hexagonal head bolts with thread sizes ranging from M5 to M64, fully threaded, and with performance grades of Class 4.6 and Class 4.8, and product grades of Class C. Note: Except for being fully threaded, this product is identical to GB/T 5780 in all other respects.

Development Information

Word Count: 18 Thousand words Pages: 12 pages

Replace the following standards

GB/T 5781-2000 Hexagon head bolts—Full thread—Product grade C

Superseded by the following standards

GB/T 5781-2025 Fasteners—Hexagon head bolts—Full thread—Product grade C

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 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 5780-2000 Hexagon head bolts—Product grade C GB/T 5780-2016 Hexagon head bolts—Product grade C 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 GB/T 5780-2025 Fasteners—Hexagon head bolts—Product grade C

Adopt standards

ISO 4018:2011

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