The ornamental design for a percussiondrill, as shown and described.
FIG. 1 is a right side elevational view of a percussion drill showing our new design;
FIG. 2 is a perspective view showing the design for the percussion drill of FIG. 1;
FIG. 3 is another right side elevational view showing the design for the percussion drill of FIG. 1;
FIG. 4 is a front elevational view showing the design for the percussion drill of FIG. 1;
FIG. 5 is a rear elevational view showing the design for the percussion drill of FIG. 1; and,
FIG. 6 is a top elevational view showing the design for the percussion drill of FIG. 1.
The broken lines shown in the drawings are included for the purpose of illustrating unclaimed portions of the percussion drill and form no part of the claimed design.