Pulling groove, fastener and fastening tool

The utility model provides a pulling and screwing groove, a fastener and a fastening tool, relates to the related technical field of fasteners, and aims to solve the problems that an existing pulling and screwing groove is high in manufacturing difficulty and high in machining cost, and fatigue and mechanical property reduction of the fastener are caused by thread damage in the pulling and screwing groove machining process. The pulling and twisting groove comprises a plurality of connected protruding parts, and the protruding parts are arranged on the inner side wall of the pulling and twisting groove around the center line of the pulling and twisting groove at equal angles. The protruding part protrudes towards the radial outer side of the wrenching groove. On the cross section of the inner side wall, the protruding part comprises a first protruding arc section and a second protruding arc section which are connected. The connecting structure is used for connection of light fastening structures in the aerospa