Click image to view full size image
These fasteners are used to fasten insulation to the inside of sheet metal air ducts. These fasteners are usually applied when the ductwork is being fabricated. The fasteners have been specifically designed to work with all currently available duct liners and standard resistance welding type application equipment,
Cup Head Weld Pins (1")
China Melparts Precision Manufacturing Ltd
Cup head weld pins, Cup head insulation pins, Self
