Drill bit broaching tool with threaded handle

The utility model is suitable for the technical field of reaming cutters, and provides a threaded handle drill bit reaming cutter which comprises a threaded drill bit, a drilling head is arranged above the threaded drill bit, the drilling head and the threaded drill bit are arranged to be of an integrated structure, an auxiliary reaming head is arranged below the threaded drill bit, and the auxiliary reaming head and the threaded drill bit are arranged to be of an integrated structure. And the outer diameters of the drilling head, the threaded drill bit and the auxiliary reaming head are gradually increased from low to high in sequence. According to the threaded handle drill bit broaching tool, the drilling head, the threaded drill bit and the auxiliary broaching head are arranged to serve as a main body of the broaching tool, the drilling head is of a conical structure with the sharp upper portion and the thick lower portion, the threaded drill bit is of a threaded structure, and the auxiliary broaching head