Self-tapping PV Panel Bolt Installation Super Purlin BenefitsSuper Purlin versus Conventional MountMini Clip BenefitsMini Clip InstallationVideo GallerySuper Purlin + Mini Clip EngineeringSuper Purlin II BenefitsSuper Purlin II vs Super Purlin ISuper Purlin II EngineeringSelf-tapping PV Panel Bolt InstallationSelf-tapping PV Panel Bolt InstallationDrill in bolt through pre-punched hole in purlinThread on nut and tighten to 70 in-lbsInstall Four (4) Bolts On All PanelsPatent Pending