GB/T 70.6-2020 (English Version) PDF

Standard No.: GB/T 70.6-2020
Language: Chinese, Available in English version
Release Date: 2020
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 70.6-2020

Scope: This part of GB/T70 specifies the type, size, technical conditions and marks of hexagon socket head cap screws. This part is applicable to thread nominal diameter d = 8 mm ~ 36 mm, fine thread, property class 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 and CU3, hexagon socket head cap screws with product grade A. Refer to Appendix A for the reference quality of screws.

GB/T 70.6-2020 Referenced Document

GB/T 1237 Designation system for fasteners
GB/T 2 Fasteners.Ends of parts with external thread
GB/T 2516 Ordinary thread limit deviation
GB/T 3098.1 Mechanical properties of fasteners.Blots, screws and studs
GB/T 3098.10 Mechanical properties of fasteners Bolts, scrows, studs and nuts made of non-ferrous metals
GB/T 3098.6 Mechanical properties of fasteners—Stainless steel bolts，screws and studs*， 2023-05-23 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 5267.4 Passivation of corrosion-resistant stainless-steel fasteners
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 5779.3 Fasteners-Surface discontinuities-Bolts,screws and studs for special 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