The ornamental design for a percussion drum head, as shown and described.
FIG. 1 is a front isometric view of a percussion drum head.
FIG. 2 is a back isometric view thereof.
FIG. 3 is a front elevation view thereof.
FIG. 4 is a back elevation view thereof.
FIG. 5 is a right side elevation view thereof.
FIG. 6 is a left side elevation view thereof.
FIG. 7 is a top plan view thereof.
FIG. 8 is a bottom plan view thereof; and,
FIG. 9 is a front isometric view thereof, mounted in a percussion drum.
Any broken line portions of the disclosure are for illustrative purposes only and form no part of the claimed design. The shade lines in the drawings that cross over the edges of the holes or that run in the same directions as shade lines that cross over edges of holes indicate transparent material over the material that has the holes. The shade lines in the drawings that do not cross over edges of the holes indicate surfaces of materials.