... BS1139, AS1576 4.48.3mm*48.3mm Drop Forged Swivel Scaffold CouplerItemDrop Forged Swivel Scaffold CouplerMaterialQ235Q255Q345Surface TreamentHDG, galavnized, paintedNet Weight1.05-1 ... , Cuplock, Ringlock, Haki); Scaffold Coupler( British Type, American Type, German Type, Italian Type, Australian Type, Mideast Type, Korean Type, Janpanese Type, Indian Type etc.); Shoring Props, Formworks, Frame ...