The utility model discloses a U-shaped hoop with flat neck studs and belongs to the technical field of power transmission and distribution engineering. The U-shaped hoop consists of a flat steel U-shaped hoop and a channel steel crosspiece; two arm ends of the flat steel U-shaped hoop are welded with the flat neck studs of which the flat neck wide surfaces are perpendicular to the flat steel wide surfaces; according to the flat neck studs, flat necks of which the thickness is properly decreased are rolled at the tails of threads; the flat steel U-shaped hoop and the channel steel crosspiece are matched to hoop an electric pole; and the contact surface of the flat steel U-shaped hoop and the electric pole is large, the flat neck studs make the U-shaped hoop well attached to the electric pole, and the U-shaped hoop tightly hoops the electric pole. The U-shaped hoop with the flat neck studs is used for fixing electrical equipment to electric poles having equal diameter or tip degrees.