The ornamental design for a cordless rotary hammer with dust reduction system, as shown and described.
The file of this patent contains at least one reproduction / photograph executed in color. Copies of this patent with color reproduction(s) / photograph(s) will be provided by the Office upon request and payment of the necessary fee.
1. Cordless rotary hammer with dust reduction system
1.1 is a top, front, and left side perspective view of a cordless rotary hammer with dust reduction system showing our new design;
1.2 is a bottom, rear, and right side perspective view thereof;