Adjustable diagonal bridging connecting assembly and scaffold

The utility model relates to an adjustable diagonal bridging connecting assembly and scaffold, the adjustable diagonal bridging connecting assembly comprises two fasteners, the outer side wall of each fastener is provided with a connecting seat, the two ends of each connecting seat are fixedly connected with the outer side wall of the corresponding fastener respectively, and an assembling gap is reserved between each connecting seat and the outer side wall of the corresponding fastener; an assembling gap is formed in the bottom wall of the connecting base, a limiting piece is arranged in the assembling gap, a circular through hole is formed in the bottom wall of the connecting base, a connecting piece is arranged in the circular through hole in a penetrating mode, the end, located in the assembling gap, of the connecting piece is fixedly connected with the limiting piece, and a plurality of connecting holes are formed in the part, located outside the assembling gap, of the connecting piece. And the plurality