Scaffolding coupler is one of the important components in the tubular scaffolding system and plays a role in fastening and connecting the entire tubular scaffolding system. The setting of the scaffolding coupler is very important to ensure the stability of the entire tubular scaffolding. The number of scaffolding couplers required in a complete tubular scaffolding system and the position of the coupler need to be determined according to the height, load-bearing, load and floor height of the scaffolding system. Calculation. Scaffolding coupler includes rotating fasteners and fixed fasteners, forged fasteners and stamped fasteners, etc. Different fasteners have their own unique characteristics and are suitable for different construction situations. The scaffolding couplers produced by EK are all galvanized for