A fixed hanger bolt suitable for installing substructures on roofs covered with trapezoidal sheet metal roof coverings Eternit, Tegola, fiber cement roof coverings and similar. Hanger screw is screwed into a wooden rafter. The seal ensures water tightness at the point of fastening. Hanger screw has a transversally mounted fastening plate for fastening mounting profile. In a set together with fastening bolts.
