GB/T 5781-2016 (English Version) Hexagon head bolts.Full thread.Product grade C

Standard No.: GB/T 5781-2016
Language: Chinese, Available in English version
Release Date: 2016
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest: GB/T 5781-2016
Replace: GB/T 5781-2000

Scope: This standard specifies the type, size, technical conditions and marks of Class C full-threaded hexagon head bolts. This standard applies to hexagon head bolts with thread specifications M5~M64, full thread, performance grades 4.6 and 4.8, and product grade C.

GB/T 5781-2016 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 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 5780 Hexagon head bolts.Product grade C
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