JB/T 11440-2013Taps with internal chip removal for unified threads (English PDF)
统一螺纹内容屑丝锥
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
April 25, 2013
Implementation date
September 1, 2013
Scope
JB/T 11440-2013 is the English-translated version of 统一螺纹内容屑丝锥.
JB/T 11440-2013 is a recommended Chinese machinery industry standard for taps with a chip removal hole that cut unified threads, referred to in the text simply as taps.
It gives the basic requirements for the tool: its types, its dimensions, the thread tolerances, the technical requirements and the provisions for marking and packaging.
It applies to the machining of unified threads. The document is classified J41 in the Chinese system and 25.100.50 in the international one. Among the standards it quotes are GB/T 4267, GB/T 20666, GB/T 20667, GB/T 20668, GB/T 20669 and GB/T 20670.
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Document preview — JB/T 11440-2013
National Standard of the People's Republic of China
- ICS
- 25.100.50
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
1 Foreword
JB/T 11440-2013 was issued by MIIT on 25 April 2013 and has been in force since 1 September 2013.
2 Scope
This standard is a recommended Chinese machinery industry standard for taps with a chip removal hole that cut unified threads, referred to in the text simply as taps. It gives the basic requirements for the tool: its types, its dimensions, the thread tolerances, the technical requirements and the provisions for marking and packaging. It applies to the machining of unified threads. The document is classified J41 in the Chinese system and 25.100.50 in the international one. Among the standards it quotes are GB/T 4267, GB/T 20666, GB/T 20667, GB/T 20668, GB/T 20669 and GB/T 20670.
3 Normative references
JB/T 11440-2013 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 4267
GB/T 20666
GB/T 20667
GB/T 20668
GB/T 20669
GB/T 20670
4 About this standard
Issued by: MIIT
English translation: about 28 pages
5 Classification and status
International classification (ICS): 25.100.50
Prefix JB/T: recommended standard.
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 28 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 4267Rotating tools with parallel shanks -- Diameters of shanks and sizes of driving squares
- GB/T 20666Unified screw threads -- Tolerances
- GB/T 20667Unified screw threads -- Limits of sizes
- GB/T 20668Unified screw threads -- Basic dimensions
- GB/T 20669Unified screw threads -- Profiles
- GB/T 20670Unified screw threads -- General plan
Similar standards
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Related Standards
GB/T 20666-2006 — Unified screw threads -- Tolerances
GB/T 20667-2006 — Unified screw threads -- Limits of sizes
GB/T 20668-2006 — Unified screw threads -- Basic dimensions
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JB/T 11440-2013
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