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GB/T 16674.3-2023Hexagon bolts with flange - Small series - Product grade A with driving feature of product grade B (English PDF)

六角法兰面螺栓小系列 A级（扳拧特性按B级）

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Issued by

State Administration for Market Regulation, China National Standardization Administration

Level / Type

National · Recommended

Issue date

May 23, 2023

Implementation date

December 1, 2023

Scope

GB/T 16674.3-2023 is the English-translated version of 六角法兰面螺栓小系列 A级（扳拧特性按B级）.

GB/T 16674.3-2023 is the Chinese standard "Hexagon bolts with flange - Small series - Product grade A with driving feature of product grade B".

Its scope clause reads: This document specifies the type size, technical conditions, marking labels and mark: This document is applicable to thread specifications M5~M16, small series, performance grades 8:8, 10:9, A2-70, product grade A (wrench special According to grade B) hexagonal flange bolts:. Its clauses include terms and definitions.

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Document preview — GB/T 16674.3-2023

National Standard of the People's Republic of China

ICS: 21.060.10
Classification: J 13

Issued by: State Administration for Market Regulation, China National Standardization Administration

foreword
Introduction
1 Scope
2 Normative references
3 Terms and Definitions

1 Scope

This document specifies the type size, technical conditions, marking labels and mark:

This document is applicable to thread specifications M5~M16, small series, performance grades 8:8, 10:9, A2-70, product grade A (wrench special

According to grade B) hexagonal flange bolts:

2 Normative references

The contents of the following documents constitute the essential provisions of this document through normative references in the text: Among them, dated references

For documents, only the version corresponding to the date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to this document:

GB/T 2 The end of externally threaded parts of fasteners (GB/T 2-2016, ISO 4753:2011, MOD)

GB/T 90:1 Fastener acceptance inspection (GB/T 90:1-2023, ISO 3269:2019, MOD)

GB/T 90:2 Marking and packaging of fasteners

GB/T 193 Common thread diameter and pitch series (GB/T 193-2003, ISO 261:1998, MOD)

GB/T 1237 Fastener Marking Method (GB/T 1237-2000, eqvISO 8991:1986)

GB/T 3098:1 Mechanical properties of fasteners Bolts, screws and studs (GB/T 3098:1-2010, ISO 898-1:2009,

MOD)

GB/T 3098:6 Mechanical properties of fasteners Stainless steel bolts, screws and studs (GB/T 3098:6-2023, ISO 3506-1:

2020, MOD)

GB/T 3099:4 Fastener term control, inspection, delivery, receipt and quality (GB/T 3099:4-2021, ISO 1891-4:

2018, MOD)

GB/T 3103:1 Fastener tolerances for bolts, screws, studs and nuts (GB/T 3103:1-2002, idtISO 4759-1:2000)

GB/T 5267:1 Fastener Electroplating (GB/T 5267:1-2023, ISO 4042:2022, MOD)

GB/T 5267:2 Electroless zinc flake coating for fasteners (GB/T 5267:2-2021, ISO 10683:2018, MOD)

GB/T 5276 Fastener bolts, screws, studs and nuts size codes and labels (GB/T 5276-2015, ISO 225:

2010, MOD)

GB/T 5779:1 General requirements for surface defects of fasteners bolts, screws and studs (GB/T 5779:1-2000, idtISO 6157-

1:1988)

GB/T 9145 Limit dimensions of ordinary threads with medium precision and optimal series (GB/T 9145-2003, ISO 965-2:1998,

MOD)

GB/T 16938 General Specifications for Fastener Bolts, Screws, Studs and Nuts (GB/T 16938-2008, ISO 8992:

2005, IDT)

3 Terms and Definitions

This document does not have terms and definitions that need to be defined: […]

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 22 pages — is available in the English PDF.

Referenced standards

Normative references

ISO 4753 · GB/T 90 · ISO 3269 · ISO 261 · GB/T 3098 · ISO 898 · ISO 3506 · GB/T 3099 · ISO 1891 · GB/T 3103 · GB/T 5267 · ISO 4042 · ISO 10683 · ISO 225 · GB/T 5779 · ISO 965 · ISO 8992

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