Stainless steel 304 solar hanger bolt roof solar mounting system solar panel mounts kits solar roof mounting hanger bolt apply to install on both wooden rafter and steel purlin. Both types can be applied with L feet and plate. Hanger bolt is a bolt made with a tapered lag-screw thread on one end and a machine-bolt thread on the other and used in timber construction. Products name Stainless Steel SS304 Metric Solar Mounting M8 M10 M12 Tin Roof Hanger Bolts Standard DIN, ASTM/ANSI, JIS, EN, ISO, AS, GB Material Stainless Steel: SS201, SS304, SS316; Carbon Steel: Gr A2; Aluminum Finishing…