GB/T 820-2015
Raised countersunk head screws with cross recess (English Version)
- Standard No.
- GB/T 820-2015
- 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 820-2015
- Replace
- GB/T 820-2000
- Scope
- This standard specifies the type, size, technical conditions and marks of cross recessed countersunk head screws. This standard is applicable to H-type and Z-type cross recessed countersunk head screws with thread specifications M1.6~M10, performance grades 4.8, A2-50, A2-70, CU2, CU3 and AL4, and product grade A.
GB/T 820-2015 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 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 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
- GB/T 944.1 Cross recesses for screws
GB/T 820-2015 history
- 2015 GB/T 820-2015 Raised countersunk head screws with cross recess
- 2000 GB/T 820-2000 Countersunk raised head screws (common head style)with cross recess
- 0000年 GB/T 820-1985