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Overview
When the nut is welded upside down or no nut, electrical current is not applied and it prevents inverted nut welding and defective welding.
Schematic diagram
Normal welding
Inverse welding
※No electricity flows.
Welded without a nut.
※No electricity flows.
How to choose the proper Missing-Part Prevention Tip (for square nut)
If A is 11 mm, φd must be 10 mm.
