GB/T 70.4-2015 (English Version) PDF

Standard No.: GB/T 70.4-2015
Language: Chinese, Available in English version
Release Date: 2015
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 70.4-2015

Scope: This part of GB/T 70 stipulates the type, size and technology of hexagon socket flat head flange screws with reduced bearing capacity according to Table 3. Conditions and tags. This section applies to the use of a hexagonal wrench to screw the hexagonal socket head flange screw with the internal thread of the human body.

GB/T 70.4-2015 Referenced Document

GB/T 1237 Designation system for fasteners
GB/T 16938 Fasteners.Gerneral requirements for bolts,screws,studs and nuts
GB/T 193 General purpose metric screw threads--General plan
GB/T 2 Fasteners.Ends of parts with external thread*， 2016-02-24 Update
GB/T 3098.1 Mechanical properties of fasteners.Blots, screws and studs
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
GB/T 5779.1 Fasteners-Surface discontinuities-Bolts,screws and studs for general requirements
GB/T 70.5 Gauging of hexagon sockets
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