MaterialASTM-A653 CS Type B Galvanized Steel, G-30 Coating LFQ Chemical Treatment
AssemblyStarting Collars are assembled with 1/8″ x 1/8″ Zinc Coated Steel Rivets
CollarRolled formed to a bell-shaped bead and features 1 1/2 crimp and 3/8″ convex bead for branch duct connection
Options261SL – 1 1/8″ Tabs available 4″ through 20″
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