The fischer concrete screw FBS 4 and 5 is suitable for a wide variety of substrates, that place different demands on the fastening solution. When the concrete screw is screwed into the drill hole, the thread flanks cut deep into the base material, therefore ensuring load-bearing capacity. The low drilling effort saves time during the installation. The installation is on top easy and fast due to the use of a cordless screwdriver. The recommended loads for cracked concrete and non-cracked concrete as well as the suitability in masonry, like soli sand-lime bricks and classification into fire resistance class R 120 guarantee safety. The FBS 4 and 5 is perfectly designed for applications like fixings of channel systems, surface-mounted sockets, or electrical installations and plumbing in general, as well as in DIY.
