The ornamental design for a drilling and millingdevice, as shown and described.
FIG. 1 is a perspective view of a drilling and milling device;
FIG. 2 is a top view of the drilling and milling device of FIG. 1;
FIG. 3 is a bottom view of the drilling and milling device of FIG. 1;
FIG. 4 is side view of the drilling and milling device of FIG. 1;
FIG. 5 is another side view of the of the drilling and milling device of FIG. 1; and,
FIG. 6 is another perspective view of the drilling and milling device of FIG. 1.
In FIGS. 1-6, the broken lines and stippled features of the cutting edges and shank of the drilling and milling device depict unclaimed environmental subject matter and form no part of the design.