JB/T 4212.6-2014Cold Heading Dies for Hexagon Socket Head Cap Screws - Part 6: Dies (English PDF)
内六角圆柱头螺钉冷镦模 第6部分：凹模
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
July 9, 2014
Implementation date
November 1, 2014
Scope
JB/T 4212.6-2014 is the English-translated version of 内六角圆柱头螺钉冷镦模 第6部分：凹模.
The dies of a cold heading tool set for hexagon socket head cap screws are what JB/T 4212.6-2014 specifies, as a recommended standard of the Chinese machinery industry.
The part fixes the structural type and the dimensions of the die for primary upsetting, of the forming die and of the die for hexagon upsetting, together with the material and hardness of each and the marking they carry.
It sits in the Chinese class J46 and in the international class 25.120.30 for forming presses. GB/T 70.1-2008 and JB/T 4213-2014 are cited in it. The edition takes the place of JB/T 4212.10-1996, JB/T 4212.11-1996 and JB/T 4212.13-1996. Issued on 9 July 2014, it has applied since 1 November 2014.
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Document preview — JB/T 4212.6-2014
National Standard of the People's Republic of China
- ICS
- 25.120.30
- Replacing
- JB/T 4212.13-1996
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 4212.6-2014 was issued by MIIT on 9 July 2014 and has been in force since 1 November 2014.
It replaces the earlier edition JB/T 4212.6-1996.
It is one of 18 parts of the JB/T 4212 series.
2 Scope
The dies of a cold heading tool set for hexagon socket head cap screws are what JB/T 4212.6-2014 specifies, as a recommended standard of the Chinese machinery industry. The part fixes the structural type and the dimensions of the die for primary upsetting, of the forming die and of the die for hexagon upsetting, together with the material and hardness of each and the marking they carry. It sits in the Chinese class J46 and in the international class 25.120.30 for forming presses. GB/T 70.1-2008 and JB/T 4213-2014 are cited in it. The edition takes the place of JB/T 4212.10-1996, JB/T 4212.11-1996 and JB/T 4212.13-1996.
3 Normative references
JB/T 4212.6-2014 cites the following standards, which apply in full or in part through the references made to them in its clauses.
GB/T 70.1-2008 — Hot rolled low carbon steel wire rods
JB/T 4213-2014 — Cold Heading Dies for Fasteners - Specifications
4 About this standard
Issued by: MIIT
English translation: about 15 pages
5 Related standards
Other parts of this standard:
JB/T 4212.1-1996 — Dies for cold heading hexagon socket head cap screws - First upsetting punches - Type A
JB/T 4212.1-2014 — Part 1: Type A Punches for Primary Upsetting and Kicker Pins
JB/T 4212.2-1996 — Dies for cold heading hexagon socket head cap screws - Ejector pins for first upsetting punches
JB/T 4212.2-2014 — Part 2: Type B Punches for Primary Upsetting
JB/T 4212.3-1996 — Dies for cold heading hexagon socket head cap screws - First upsetting punches - Type B
JB/T 4212.3-2014 — Cold heading dies for hexagon socket head cap screws - Part 3: Forming punches
JB/T 4212.4-1996 — Dies for cold heading hexagon socket head cap screws - Forming punches
JB/T 4212.4-2014 — Part 4: Punches for Forming Hexagon Sockets
JB/T 4212.5-1996 — Dies for cold heading hexagon socket head cap screws - Hexagon socket punches - Type A
JB/T 4212.5-2014 — Part 5: Die Pieces
JB/T 4212.7-1996 — Dies for cold heading hexagon socket head cap screws - Hexagon socket punches - Type C
JB/T 4212.8-1996 — Dies for cold heading hexagon socket head cap screws - Hexagon socket punches - Type D
JB/T 4212.9-1996 — Dies for cold heading hexagon socket head cap screws - First upsetting die inserts
JB/T 4212.10-1996 — Dies for cold heading hexagon socket head cap screws - First upsetting dies
JB/T 4212.11-1996 — Dies for cold heading hexagon socket head cap screws - Forming dies
JB/T 4212.12-1996 — Dies for cold heading hexagon socket head cap screws - Hexagon die inserts
JB/T 4212.13-1996 — Dies for cold heading hexagon socket head cap screws - Hexagon heading die inserts
Other editions:
JB/T 4212.6-1996 (earlier edition)
6 Classification and status
International classification (ICS): 25.120.30
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
Similar standards
Editions of JB/T 4212.6
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 4212.6-2014 | Cold Heading Dies for Hexagon Socket Head Cap Screws - Part 6: Dies | current edition | Current |
| JB/T 4212.13-1996 | Cold Heading Dies for Hexagon Socket Head Cap Screws - Part 6: Dies | previous edition | Superseded |
This page sells the current edition, JB/T 4212.6-2014. Earlier editions are listed for reference only.
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Related Standards
GB/T 70.1-2008 — Hexagon socket head cap screws
JB/T 4213-2014 — Cold Heading Dies for Fasteners - Specifications
JB/T 4212.7-1996 — Dies for cold heading hexagon socket head cap screws - Hexagon socket punches - Type C
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JB/T 4212.6-2014
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