Steel TMT Rebar Coupler Manufacturer Rebar Coupler, Taper Coupler, Parallel Threaded TMT Rebar Coupler, TMT Bar Coupler Manufacturer Length - 50 mm Diameter - 32 mm Material - Steel Usage/Application - Construction Surface Type - Hot Dipped Galvanized Color - Silver Minimum order quantity: 500 Piece A Steel TMT Rebar Coupler is a mechanical connector used to join two rebar bars (reinforcement bars) end-to-end, typically made from TMT (Thermo-Mechanically Treated) steel. These couplers are widely used in reinforced concrete construction to create strong, durable, and efficient connections between reinforcement bars, replacing the traditional method of lap splicing (where rebars overlap).