Rhombic tooth type right-handed and left-handed PCB milling cutter

The utility model belongs to the technical field of cutters. The utility model relates to a milling cutter, in particular to a diamond-tooth-shaped right-handed and left-handed PCB milling cutter. Thecutter comprises a cutter head and a handle. Wherein the cutter head part is connected with the cutter handle part through a connecting part; the connecting part is in a circular truncated cone shape. The tool bit part is provided with a cutting edge, a cutting edge and a chip breaker groove. Wherein the cutting edge is connected with the cutting edge, the cutting edge is arranged at the end partof the cutter head part, the cutting edge and the chip breaker groove are arranged at the periphery of the cutter head part, the chip breaker groove is adjacent to the cutting edge, the cutting edgeis a right-handed rotation cutting edge, and the cutting edge is in a rhombus tooth shape. When the milling cutter is used for machining, the plate edge quality is effectively improved; and the plateedge quality can be improved