Efficient nut fastening kit

The utility model relates to an efficient nut fastening kit which comprises a first fixing piece, a second fixing piece, a first limiting cylinder and a motor, the motor is installed on the first fixing piece, a rotating rod is arranged on the inner top side of the first fixing piece, a rotating disc is arranged below the rotating rod, a first installing cylinder is arranged below the rotating disc, a first limiting spring is arranged in the first installing cylinder, and a second limiting spring is arranged in the second limiting cylinder. The top of the first limiting spring is mounted on the rotary disc, and fixing protruding blocks are arranged on the two sides in the first mounting cylinder. During use, bolts can be fixed, the nut fastening efficiency is improved, bolts of different sizes can be fixed through the mounted first limiting cylinder, and meanwhile the nut fastening efficiency can be improved through rotation of the motor; the installed clamping plate can be used for fixing and limiting nuts w