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JB/T 10232.2-2015Complete sets of thread tools - Part 2: Technical specifications (English PDF)

成套螺纹工具第2部分：技术条件

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Issued by

MIIT

Level / Type

Industry · Recommended

Issue date

October 10, 2015

Implementation date

March 1, 2016

Scope

JB/T 10232.2-2015 is the English-translated version of 成套螺纹工具第2部分：技术条件.

JB/T 10232.2-2015 is the Chinese machinery industry standard covering complete sets of thread tools, Part 2: Technical specifications. It was issued on 10 October 2015 and has been in force since 1 March 2016, replacing JB/T 10232.2-2001.

The document is under the responsibility of the Ministry of Industry and Information Technology. This page is published from the official record of the 2015 edition.

The figures, limits and tables the standard contains are those of the document itself, delivered in full with the English translation.

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Document preview — JB/T 10232.2-2015

National Standard of the People's Republic of China

Replacing: JB/T 10232.2-2001

Issued by: Ministry of Industry and Information Technology of the People's Republic of China

1 Scope
2 Normative references
3 Technical requirements
3.1 General requirements
3.2 Taps
3.3 Circular dies
3.4 Accessories of the set
4 Marking and packaging
4.1 Marking
4.2 Packaging
Figure 1 Thread form of the tap
Table 1 Maximum permissible value of the surface roughness Ra of the tap
Table 2 Thread tolerance of the tap for metric threads
Table 3 Thread tolerance of the tap for unified threads
Table 4 Thread tolerance of the tap for 60 degree taper pipe threads
Table 5 Thread tolerance of the tap for 55 degree parallel pipe threads
Table 6 Limit deviations of the length of the threaded part of the tap
Table 7 Hardness of the threaded part
Table 8 Maximum permissible value of the surface roughness Ra of the circular die
Table 9 Positional tolerance of the circular die

Document data

International classification (ICS): 25.100.50.

Chinese classification (CCS): J41.

Estimated length of the Chinese original: 9,956 words.

Supersedes the earlier edition JB/T 10232.2-2001.

3 Technical requirements

4 Marking and packaging

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

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Editions of JB/T 10232.2

Edition	Title	Revision	Status
JB/T 10232.2-2015	Complete sets of thread tools - Part 2: Technical specifications	current edition	Current
JB/T 10232.2-2001	Complete sets of thread tools - Part 2: Technical specifications	previous edition	Superseded

This page sells the current edition, JB/T 10232.2-2015. Earlier editions are listed for reference only.

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