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Cupped Head Pins simplify the permanent installation of duct liner or similar insulation to ducting and other HVAC sheet metals and housings. They can be applied quickly and easily using standard inductive CD stud welding equipment or resistance welding equipment.


This type of Capacitor Discharge (CD) pin is welded through the insulation, allowing the fabrication to be done in one easy step. The head of the pin is attached to the nail, so there is no need to add a washer. Reduced labor time. Neat, finished appearance.





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