Concrete screw with Hexagonal Head and false flanged Washer with self-locking knurling under the head, made of galvanized steel, with PATENTED thread for direct installation on concrete without anchor, ETA-CE certified:
- For applications according to EAD 330747-00-0601 also on hollow-core slabs (Ø6 and Ø8: for details see DoP)
- For use in seismic zones, Performance Category C2 and C1 (Ø10 only C1), according to EAD 330232-00-0601 and EOTA TR049