
SUNKKO 709A Big Welding Needle Copper Spare Part
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Prices updated: 13 Oct 2026
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About this product
The SUNKKO 709A big welding needle is a copper spare part for the 709A spot welding pen. It is used with battery spot welding machines and spot welder pulse machines as the electrode tip that contacts the battery tab during welding. It is useful for replacing a worn tip in battery pack assembly work.
Specifications
- Type
- Big welding needle (spare part)
- Material
- Copper
- Compatible pen
- SUNKKO 709A spot welding pen
- Application
- Battery spot welding machine
Frequently asked questions
Which welding pen is it for?
The listing names the SUNKKO 709A spot welding pen.
What machines is it used with?
The listing names battery spot welding machines and spot welder pulse machines.





