The ornamental design for a combination mounting and fasteningbracket for solar structures, substantially as shown and described.
1.1 is a perspective view of the front, top and one side of a combination mounting and fastening bracket for solar structures showing my design;
1.2 is a front view of my design;
1.3 is a rear view of my design;
1.4 is a perspective view of the front, top and one side of my design showing a second mounting and fastening bracket stacked above the first mounting and fastening bracket of 1.1;
1.5 is a front view of my design showing the second mounting and fastening bracket stacked above the first mounting and fastening bracket of 1.1; and
1.6 is a perspective view of the rear, top and one side of my design showing the second mounting and fastening bracket stacked above the first mounting and fastening bracket of 1.1.
The second mounting and fastening bracket of 1.4 to 1.6 shown in low contrast is provided for the purposes of illustrating environmental structure and do not form part of the claimed design.