TDF Duct Corner 1. Add rigidity to the TDF Flange 2. Hold ductwork together 3. Thickness: 1.5mm TDF Duct Corner Description 1. The TDF Duct Corner is used in conjunction with the TDF (Transverse Duct Flange) formed on Flange. 2. Thickness: 1.5mm 3. Package: 800PCS/carton Technical Information: 1. Stamped from 16 GA & 14 GA ASTM A-653 G60/G90 material 2. Manually inserted into TDF Flange 3. Accepts a 3/8" carriage bolt We also have 15mm, 20mm, 25mm, 30mm, 35mm, 40mm duct corner. Their thickness is 1.5mm, 2mm, 2.5mm, 3mm, 3.5mm and 5mm, You can choose as your require. Duct corner system is a saperate flange install onto ductwork. They are used for industry, home, electric appliance, building, engine Project. We are a Stamping factory that from China, our stampings are drum closure, pipe clamp, barrel clamp, bracket, TV bracket, LED TV bracket, Duct corner, duct flange, drum cap, drum ring clamp and U clamp
