The ornamental design for a combined electric naildrill and power supply, as shown and described.
FIG. 1 is a perspective view of a combined electric nail drill and power supply showing our new design;
FIG. 2 is a front view thereof;
FIG. 3 is a back view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a right side view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a top view thereof;
FIG. 8 is a perspective view thereof wherein the nail drill has been removed from the holster for use; and,
FIG. 9 is a perspective view thereof wherein the nail drill is in condition of use, and the holster is not being shown for convenience of illustration.
The broken lines in the figures are for the purpose of illustrating portions of the combined electric nail drill and power supply, which form no part of the claimed design. The additional broken lines shown in FIG. 9 depicting a hand, are to show environment and form no part of the claimed design.