What is the production process of welded square nuts?

The manufacturing process of welded square nuts is as follows:
It is recommended to use "weld nuts", usually not square but hexagonal; use a spot welder for welding, which is strong and beautiful.
General steps: pan yuan - pickling - cold drawing - cold heading. At the same time consider its weldability, generally use SWRCH10K or SWRCH15K. Usually manual welding is used for welding, but the disadvantage is that the solder joints are not beautiful.
When we make square nuts for welding, we can make them according to the above production process, and we all need to make square nuts that are suitable and satisfactory to us.
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