JB/T 7293.7-2015Internal combustion engines - Bolts and nuts - Part 7: Cylinder head and flywheel nuts - Specification (English PDF)
内燃机 螺栓与螺母 第7部分：气缸盖螺母及飞轮螺母 技术条件
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 30, 2015
Implementation date
October 1, 2015
Scope
JB/T 7293.7-2015 is the English-translated version of 内燃机 螺栓与螺母 第7部分：气缸盖螺母及飞轮螺母 技术条件.
JB/T 7293.7-2015 is a recommended standard of the Chinese machinery industry covering the cylinder head nuts and flywheel nuts used on internal combustion engines, the seventh part of the JB/T 7293 series on engine bolts and nuts.
It sets the technical requirements for these nuts, the testing methods, the inspection rules and the provisions for marking, packaging, transport and storage. It applies to the cylinder head nuts and flywheel nuts of reciprocating internal combustion engines with a cylinder bore of 200 mm or less.
It quotes GB/T 90.1, GB/T 90.2, GB/T 197, GB/T 699, GB/T 1184-1996, GB/T 3077, GB/T 3098.2, GB/T 3098.4 and JB/T 9151.1. It is filed under Chinese classification J92.
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Document preview — JB/T 7293.7-2015
National Standard of the People's Republic of China
- Replacing
- JB/T 9765.3-1999
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- Foreword
- Scope
- Normative references
- About this standard
- Related standards
- Classification and status
1 Foreword
JB/T 7293.7-2015 was issued by MIIT on 30 April 2015 and has been in force since 1 October 2015.
It is one of 10 parts of the JB/T 7293 series.
2 Scope
This standard is a recommended standard of the Chinese machinery industry covering the cylinder head nuts and flywheel nuts used on internal combustion engines, the seventh part of the JB/T 7293 series on engine bolts and nuts. It sets the technical requirements for these nuts, the testing methods, the inspection rules and the provisions for marking, packaging, transport and storage. It applies to the cylinder head nuts and flywheel nuts of reciprocating internal combustion engines with a cylinder bore of 200 mm or less. It quotes GB/T 90.1, GB/T 90.2, GB/T 197, GB/T 699, GB/T 1184-1996, GB/T 3077, GB/T 3098.2, GB/T 3098.4 and JB/T 9151.1. It is filed under Chinese classification J92.
3 Normative references
JB/T 7293.7-2015 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 90.1
GB/T 90.2
GB/T 197
GB/T 699
GB/T 1184-1996 — Geometrical tolerancing. Geometrical tolerance for features without individual tolerance indications
GB/T 3077
GB/T 3098.2
GB/T 3098.4
JB/T 9151.1
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other parts of this standard:
JB/T 7293-1994 — Main bearing cap bolts and nuts for internal combustion engines - Technical specifications
JB/T 7293-2007 — Main bearing cap bolts and nuts - Technical requirements
JB/T 7293.1-2018 — Part 1: Main bearing lid bolts and nuts - Specification
JB/T 7293.2-2010 — Internal combustion engines-bolts and nuts - Part 2: Connecting rod bolts - Specifications
JB/T 7293.3-2014 — Part 3: Connecting rod bolts - Metallographic examination
JB/T 7293.4-2010 — Part 4: Connecting rod bolts - Magnetic particle testing
JB/T 7293.5-2015 — Part 5: Cylinder head bolts - Specification
JB/T 7293.6-2015 — Part 6: Flywheel bolts - Specification
JB/T 7293.8-2010 — Part 8: Connecting rod nuts - Specification
6 Classification and status
Prefix JB/T: recommended standard.
......
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
- GB/T 90.1Fasteners - Acceptance inspection
- GB/T 90.2Fasteners--Marking and packaging
- GB/T 197General purpose metric screw threads -- Tolerances
- GB/T 699Quality carbon structure steels
- GB/T 1184-1996Geometrical tolerancing. Geometrical tolerance for features without individual tolerance indications
- GB/T 3077Alloy Structure Steels
GB/T 3098.4
Similar standards
Editions of JB/T 7293.7
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 7293.7-2015 | Internal combustion engines - Bolts and nuts - Part 7: Cylinder head and flywheel nuts - Specification | current edition | Current |
| JB/T 9765.3-1999 | Internal combustion engines - Bolts and nuts - Part 7: Cylinder head and flywheel nuts - Specification | previous edition | Superseded |
This page sells the current edition, JB/T 7293.7-2015. Earlier editions are listed for reference only.
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Related Standards
GB/T 1184-1996 — Geometrical tolerancing. Geometrical tolerance for features without individual tolerance indications
GB/T 197-2018 — General purpose metric screw threads -- Tolerances
GB/T 3077-2015 — Alloy Structure Steels
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JB/T 7293.7-2015
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