JB/T 4210.8-2014
Cold heading dies for hexagon nuts.Part 8: Lower punches for hexagon upsetting (English Version)
- Standard No.
- JB/T 4210.8-2014
- Language
- Chinese, Available in English version
- Release Date
- 2014
- Published By
- Professional Standard - Machinery
- Latest
- JB/T 4210.8-2014
- Replace
- JB/T 4210.12-1996 JB/T 4210.13-1996
- Scope
- This part of JB/T 4210 specifies the structural type and size, material and hardness, requirements and markings of the hexagonal lower punch of the hexagonal nut cold heading die. This section applies to hexagonal nut cold heading dies for automatic nut cold heading machines.
JB/T 4210.8-2014 Referenced Document
- GB/T 6170-2000 Hexagon nuts,style 1
- GB/T 6171-2000 Hexagon nuts,style 1,with fine pitch thread
- GB/T 6175-2000 Hexagon nuts,style 2
- GB/T 6176-2000 Hexagon nuts,style 2,with fine pitch thread
- JB/T 4213 Cold heading dies for fasteners.Specifications
JB/T 4210.8-2014 history
- 2014 JB/T 4210.6-2014 Cold heading dies for hexagon nuts.Part 6: Ejector pins for ball upsetting
- 1996 JB/T 4210.8-1996 Mold for cold heading hexagonal head nuts Upsetting barrel ejector pin A type
JB/T 4210.8-2014 Cold heading dies for hexagon nuts.Part 8: Lower punches for hexagon upsetting has been changed from JB/T 4210.12-1996 Mold for cold heading hexagonal head nuts Upsetting hexagonal lower punch pin A type.
JB/T 4210.8-2014 Cold heading dies for hexagon nuts.Part 8: Lower punches for hexagon upsetting has been changed from JB/T 4210.13-1996 Mold for cold heading hexagonal head nuts Upsetting hexagonal lower punch pin B type.
