How To Crimp Sheet Metal
Use the power of a drill to crimp the ends of metal duct faster and more evenly than crimping by hand.
How to crimp sheet metal. After pickle and rinse i fluxed the ovals and four 2 2 mm crimp tubes on my soldering board. This is where you should practice on scrap first because sterling crimp tubes melt easily. Use on 30 24 ga. Make a new assembly a copy from the main assembly dont damage your production information and replace the sheet metal parts with the new crimp solids.
Anthony hoekstra showing how to crimp snap lock round duct. You do not need a crimping tool to do this. The telescoping clamp holds the crimper securely to your drill. Self tapping is the use of self tapping screws to directly tap the thread on a piece of sheet metal so the fit is very good and can be disassembled.
I lined up two crimp tubes on the other ends of each oval and soldered them in place with easy solder using a low flame and 0 smith torch tip. Hand held sheet metal benders for opening seams. Amazon link to great products that ev.