Special finish machining cutter for end face sealing ring groove

The utility model relates to a special finish machining cutter for an end face sealing ring groove, and belongs to the technical field of hydraulic valve bodies. Comprising a cylindrical cutter handle, a forming cutter body and a welding blade, the welding blade is welded to the forming cutter body, the forming cutter body is connected to the cylindrical cutter handle, and a groove cutter chip groove is formed in the forming cutter body. The number of the welding blades is two, and the two welding blades are welded to the forming cutter body in an annular central symmetry mode. The number of the grooving cutter chip grooves is two, and the grooving cutter chip grooves are formed in the forming cutter body in a central symmetry mode. The utility model has the beneficial effects that 1, the cutter sticking is avoided, the scrap iron generated in the machining process is conveniently discharged, and the cutter sticking is avoided; 2, the O-shaped ring is prevented from being cut in the assembling process; 本实用新型涉