The THM (Truss Hanger Mono) is a joist hanger for supporting mono trusses from timber members. The THM hanger offers two installation Options. Features speed prongs for easier nailing and faster installation. Offers two installation options: square twist nails only or square twist nails and double shear nailing. The double shear nailing feature allows 75mm nails to be installed at a 45° angle, providing easier nail driving as the installer doesn't need to swing the hammer sideways. Can be installed with square twist nails or with square twist nails and double shear nailing. Features speed prongs for ease of installation. Pre-Galvanised Mild Steel.