7 MACHINES FOR DEFORMING METALS AND METAL ALLOYS; COLD FORMING AND ROLLING MACHINES FOR METAL WORKPIECES; COLD FORMING AND ROLLING MACHINES FOR PRODUCING GROOVES, SPLINES, THREADS, AXISYMMETRICAL OR HELICAL FINS ON THE SURFACE OF METAL WORKPIECES; TOOLING FOR MACHINE TOOLS FOR DEFORMING METALS AND METAL ALLOYS, NAMELY, ROLLING DIES, KNURLING DIES, AND SPLINE RACKS; TOOLING FOR MACHINE TOOLS FOR COLD FORMING OR ROLLING METAL WORKPIECES, NAMELY, ROLLING DIES, KNURLING DIES, AND SPLINE RACKS; TOOLING FOR MACHINE TOOLS FOR COLD FORMING OR ROLLING GROOVES, SPLINES, THREADS, AXISYMMETRICAL OR HELICAL FINS ON THE SURFACE OF METAL WORKPIECES, NAMELY, ROLLING DIES, SPLINE ROLLING DIES, SERRATION ROLLING DIES, THREAD ROLLING DIES, FIN ROLLING DIES, KNURLING DIES, AND SPLINE RACKS