We are sorry to hear this issue with some of the hardware missing. The mounting hardware is not included with this fixture but if you are missing other parts listed on the installation guide, you may choose to contact the manufacturer's technical support to report the parts you are missing. https://images.thdstatic.com/catalog/pdfImages/3f/3f2e1a00-c76f-4408-b82f-9731d2b0aed5.pdf