Product Description: TDF flange forming machine has two sides, one side is to make flange shape, another side is to make clip shape. Besides, we also can customize both sides to make flange shape. Flange height usually is 35±0.5mm, but 20,25,30mm also can be customized. This machine is very easy operated on site and in factory. Standard machine T-12 can make max 1.2mm thickness galvanized sheet and max 0.7mm stainless steel, T-15 can make max 1.5mm thickness galvanized sheet and max 1.0mm stainless steel. Usually it's enough for air duct flange making, but if you have any other requirement, we have professional engineer who can help you.