Double-threaded screws with sealing gasket for photovoltaic installations on roofs with corrugated sheets or non-removable barrel or flat tiles.

Double-threaded screws

Double-threaded screws with sealing gasket for photovoltaic installations on roofs with corrugated sheets or non-removable barrel or flat tiles.Suitable for supporting structure in steel, wood or concrete and hollow floor blocks.
cd-green-78ddcfbddb-gp4g5