Outer circle sleeving type chamfering cutter

The utility model discloses an outer circle sleeving type chamfering cutter which comprises a handle part and a cutter body which are fixedly connected, a plurality of milling parts are arranged on the end face of the cutter body, the plurality of milling parts are rotationally symmetrical around the center of the end face, each milling part protrudes out of the end face of the cutter body, and the plurality of milling parts surround the core part of the cutter body to form a clearance groove; a chamfering blade is mounted at the same position of the root part of each milling part, the edge part of each chamfering blade and the rotation track of the inner angle of the clearance groove have an overlapped part, and the overlapped part is triangular; the chamfering cutter can prevent the chamfering of the end face of the shaft part from generating eccentricity in the machining process, effectively removes burrs on the circumferential face of a workpiece, and has the advantages of being high in machining accuracy