Reamer for cutting aviation alloy aluminum material

The utility model belongs to the technical field of cutting reamers, and particularly relates to a reamer for cutting aeronautical alloy aluminum materials, which comprises a reamer head and a reamer handle, a butt-joint groove is arranged inside the lower portion of the reamer handle, a butt-joint block matched and inserted with the butt-joint groove is integrally formed at the upper end of the reamer head, and an insertion block is arranged at the upper end of the butt-joint block. An inserting block is arranged on the cutter head, an inserting groove used in cooperation with the inserting block is formed in the cutter handle, an outer limiting groove is further formed in one end of the inserting groove, and outer limiting strips used in cooperation with the outer limiting groove are arranged at the corresponding positions of the two sides of the inserting block. By arranging the inner and outer double limiting components, the connection between the tool bit and the tool handle is enhanced, the stability du