Aluminum assembly rails with double screw channel to fasten solar modules to house roofs takes both roof nuts on one side and solar screws on the other side of screw channel

摘要

The rail measures 40 x 40 mm and has two screw channels situated in the middle of the part facing one another. The screw channels take typical or usual screws such as M8 or M10. The roof nuts are screwed into one side of the screw channel and the screws for the solar module are screwed into the other side of the channel.