JB/T 4212.13-1996
Mold for cold heading interior hexagonal cylindrical head screws Heading hexagonal female die (English Version)
- Standard No.
- JB/T 4212.13-1996
- Language
- Chinese, Available in English version
- Release Date
- 1996
- Published By
- Professional Standard - Machinery
- Status
- 2014-11
- Replace By
- JB/T 4212.6-2014
- Latest
- JB/T 4212.6-2014
- Scope
- This standard specifies the structural type and size, technical requirements and markings of cold heading GB 70 hexagon socket head screws M4 ~ M20 hexagonal die. This standard applies to the molds of double-mold automatic cold heading machines and multi-station cold heading machines.
JB/T 4212.13-1996 history
- 2014 JB/T 4212.6-2014 Cold heading dies for hexagon socket head cap screws.Part 6: Dies
- 1996 JB/T 4212.13-1996 Mold for cold heading interior hexagonal cylindrical head screws Heading hexagonal female die
JB/T 4212.13-1996 Mold for cold heading interior hexagonal cylindrical head screws Heading hexagonal female die was changed to JB/T 4212.6-2014 Cold heading dies for hexagon socket head cap screws.Part 6: Dies.
