Solar panel mounts made of metal; metal structures for mounting solar panels; metal hardware, namely, metal roofing mounts for solar panels; hardware mounting system comprised of metal brackets, metal disks, clamps and bolts for attaching rooftop solar panels; metal mounting fasteners adapted for metal standing seam metal roof profiles; metal mounting brackets for use with metal roofing; metal mounting system for use with metal roofing comprised of metal racks, brackets, plates, disks, clamps and anchors; metal mounting system for use with solar panels and solar modules comprised of metal racks, brackets, plates, disks, clamps and anchors.