combination swivel coupler
combination swivel coupler:Center of combination swivel coupler is the rotation fastener fasteners installed in the scaffolding on the center of the frame tube, the primary node is scaffolding pipe rails and vertical rod connection point. Scissors slash fixed fastener applications in rotating and intersecting horizontal bar or pole on the out side, rotating fastener centerline to the master node should not be greater than the distance 150mm. 6, a font, open type double scaffolding both ends of the lateral bracing must be set to the middle should be set one every six cross. Longitudinal lap length is not less than one meter, and other rotating fastener spacing is set to 3 fixed to the end of the fastener plate edge of the vertical level of legs side lap distance not less than 100mm.