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GB/T 35481-2017Hexalobular bolts with flange (English PDF)

六角花形法兰面螺栓

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 29, 2017

Implementation date

April 1, 2018

Scope

GB/T 35481-2017 is the English-translated version of 六角花形法兰面螺栓.

GB/T 35481-2017 is the Chinese standard "Hexalobular bolts with flange". Its scope clause reads: This standard specifies the types, dimensions, technical conditions and markings of hexalobular bolts with flange.

This standard applies to hexalobular bolts with flange, with thread specifications of M5~M20, coarse thread and thread nominal diameter d=8 mm~20 mm, fine thread, performance grades of 8.8, 10.9, A2-70 and A4-70, and product grade A. Its clauses include dimensions; technical conditions and reference standards; marking.

It was issued by the General Administration of Quality Supervision, Inspection and Quarantine on DECEMBER 29, 2017 and took effect on APRIL 1, 2018.

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Document preview — GB/T 35481-2017

National Standard of the People's Republic of China

ICS: 21.060.10
Classification: J 13

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword3
1 Scope4
2 Normative references4
3 Dimensions5
4 Technical conditions and reference standards10
5 Marking10

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

1 Scope

This standard specifies the types, dimensions, technical conditions and markings of hexalobular bolts with flange.

2 Normative references

The following documents are essential for the application of this document. For any dated referenced document, only the dated version applies to this document. For any undated referenced document, the latest version (including all amendments) applies to this document.

GB/T 2 Fasteners - Ends of parts with external thread

GB/T 90.1 Fasteners - Acceptance inspection

GB/T 90.2 Fasteners - Marking and packaging

GB/T 193 General purpose metric screw threads - General plan

GB/T 1237 Designation system for fasteners

GB/T 3098.1 Mechanical properties of fasteners - Bolts, screws and studs

GB/T 3098.6 Mechanical properties of fasteners - Stainless steel bolts, screws and studs

GB/T 3103.1 Tolerances for fasteners - Bolts, screws, studs and nuts

GB/T 5267.1 Fasteners - Electroplate coating

GB/T 5267.2 Fasteners - Non-electrolytically applied zinc flake coatings

GB/T 5267.4 Passivation of corrosion-resistant stainless-steel fasteners

GB/T 5779.1 Fasteners - Surface discontinuities - Bolts, screws and studs for general requirements […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

Similar standards

GB/T 15389-2025|GB/T 31.2-2025|GB/T 31.3-2025|GB/T 32.2-2025|GB/T 1231-2024|GB/T 43151-2023

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