GB/T 5782-2025 Active National standards

GB/T 5782-2025 Fasteners—Hexagon head bolts

GB/T 5782-2025 Fasteners—Hexagon head bolts

Publish Date: 2025-10-31 Implement Date: 2026-02-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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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

Pages: 24 pages

Scope

This document specifies the type and dimensions, technical requirements, marking, labeling, and identification of Class A and Class B hexagonal head bolts.
This document applies to hexagonal head bolts made of steel and stainless steel with thread sizes ranging from M1.6 to M64, coarse thread, and performance grades of 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, and D6-80, and product grades of Class A and Class B (hereinafter referred to as "bolts").

Development Information

Word Count: 29 Thousand words Pages: 24 pages

Replace the following standards

GB/T 5782-2016 Hexagon head bolts

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 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