What is welding stud screw

Welding screws are also called energy storage screws, electric bolt welding studs, or welding nails. Welded screws are used in a small range and are used in the sheet metal industry 

and in the production of the chassis. Although the use of welding screws and rivet screws is the same, the principle of use is quite different. The rivet screw is fixed by its own locking 

embossing teeth, and the welding screw has a small spot on the head of the screw. The spot welding technology is used to weld the screw to the sheet metal to fix it. An external thread, 

so called a welding screw.

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