Screw Strips Al are fastening elements which are particularly suitable for retrofitting into existing constructions. The Screw Strips are pressed into the profile groove from above and provide Self-Tapping Screws 4.2 mm with a screw channel along their entire length.Example of how a cable conduit is secured with Screw Strip 8 Al and Self-Tapping Screws DIN 7981 St 4.2x13. The required screw length L must be selected to match the workpiece thickness s.
