GB/T 78-2007 (English Version) PDF

Standard No.: GB/T 78-2007
Language: Chinese, Available in English version
Release Date: 2007
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 78-2007
Replace: GB/T 78-2000

Scope: This standard stipulates that the thread specification is M1.6~M24, the performance grade is 45H, A1-12H, A2-21H, A3-21H, A4-21H, A5-21H, CU2, CU3 and AL4, and the product grade is A grade. Hexagon socket set screws with cone point. If you need other technical requirements, you should choose from the current standards (such as GB/T 193, GB/T 3098.3, GB/T 3098.16, GB/T 9145 and GB/T 3103.1)

GB/T 78-2007 Referenced Document

GB/T 1237 Designation system for fasteners
GB/T 193 General purpose metric screw threads--General plan
GB/T 2516 Ordinary thread limit deviation
GB/T 3098.10 Mechanical properties of fasteners Bolts, scrows, studs and nuts made of non-ferrous metals
GB/T 3098.16 Mechanical properties of fasteners.Stainless steel set screws*， 2014-06-24 Update
GB/T 3098.3 Mechanical properties of fasteners.Set screws*， 2016-02-24 Update
GB/T 3103.1 Tolerances for fasteners--Bolts,screws,studs and nuts
GB/T 5267.1 Fastener Plating*， 2023-05-23 Update
GB/T 5267.2 Fasteners—Non-electrolytically applied zinc flake coatings*， 2021-12-31 Update
GB/T 5276 Fasteners.Bolts, screws, studs and nuts.Symbols and descriptions of dimensions*， 2015-12-10 Update
GB/T 5779.1 Fasteners-Surface discontinuities-Bolts,screws and studs for general requirements
GB/T 90.1 Fasteners—Acceptance inspection*， 2023-05-23 Update
GB/T 90.2 Fasteners--Marking and packaging
GB/T 9145 General purpose metric screw threads--Limits of sizes for the screw threads of medium quality and preferable plan
ISO 23429:2004 Gauging of hexagon sockets
ISO 8992:1986 Fasteners; General requirements for bolts, screws, studs and nuts