JB/T 13333-2017Parallel shank extra long twist drills (English PDF)
直柄特长麻花钻
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
November 7, 2017
Implementation date
April 1, 2018
Scope
JB/T 13333-2017 is the English-translated version of 直柄特长麻花钻.
JB/T 13333-2017 is a recommended Chinese machinery industry standard for parallel shank extra long twist drills. It fixes the types and sizes of these drills in the ordinary and the precision grade, taking in both the long-flute and the short-flute series, and it covers the internally cooled drills in the same two series.
The technical requirements, together with the basic rules for marking and packaging, follow the dimensional part. It quotes GB/T 1804 and GB/T 17984-2016. The standard carries the Chinese classification J41 and the international classification 25.100.30, and it was issued by the Ministry of Industry and Information Technology.
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Document preview — JB/T 13333-2017
National Standard of the People's Republic of China
- ICS
- 25.100.30
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
1 Foreword
JB/T 13333-2017 was issued by Ministry of Industry and Information Technology of the People's Republic of China on 7 November 2017 and has been in force since 1 April 2018.
2 Scope
This standard is a recommended Chinese machinery industry standard for parallel shank extra long twist drills. It fixes the types and sizes of these drills in the ordinary and the precision grade, taking in both the long-flute and the short-flute series, and it covers the internally cooled drills in the same two series. The technical requirements, together with the basic rules for marking and packaging, follow the dimensional part. It quotes GB/T 1804 and GB/T 17984-2016. The standard carries the Chinese classification J41 and the international classification 25.100.30, and
3 Normative references
JB/T 13333-2017 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 1804
GB/T 17984-2016
4 About this standard
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
English translation: about 15 pages
5 Classification and status
International classification (ICS): 25.100.30
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
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