Reinforced twist lock for subsequent or additional installation in the cable tray cover of the walkable cable tray system, including galvanized flat-head screw with slot FL 6X12-S DIN 603 and galvanized locking nut SMS 6 DIN EN ISO 10511. Use outdoors, due to external influences such as wind loads, is only possible with additional security (self-tapping screws, steel band, etc.). When fastening, ensure that a minimum distance of = 50 mm is maintained from the beginning/end of the cover. It is also important to ensure that the screw head slot is installed flush with the fastening tab of the twist lock plate. This ensures that it is possible to later check that all existing twist locks on the cover are properly closed (position of the screw head slot). Use for: Cable tray cover of the BKS system RDVS ... RDRS ...-2.0 RDVSRSL ... RDVSRS ... Delivery: unassembled and loose Material of latch: Steel, strip galvanized according to DIN EN 10346