Connector for electric wrench comprehensive aids

A connector for electric wrench comprehensive aids is provided with a cylindrical connecting head. A pyramidal inner hole matching with a pyramidal rotation power output end of an electric wrench is arranged at one end of the connecting head. An external threaded head matching with an internal threaded hole at one end of a bit clamp is arranged at the other end of the connecting head. The external threaded head is provided with an internal threaded hole directionally opposite to an external thread. Axes of the pyramidal inner hole, the external threaded head and the internal threaded hole are collinear with an axis of the connecting head. A screw is tightened in the internal threaded hole. After the bit clamp is connected, the electric wrench can be connected with straight-rod aids such as a screwdriver, a drill bit and a tap, a main unit of the electric wrench can be used for screwing or unscrewing nuts and further screwing or unscrewing screws and drilling or taping on equipment. One electric tool can be connected with a plurality of aids, so that tool amount is reduced and operation cost is lowered.