Fischer UltraCut FBS II 6x65/5 US R Concrete Screws with Hex Head and Integrated Washer for Fixing Installing Ceilings, Seismic Zone C1, Stainless Steel, 100 Pieces

Certified for seismic zones C1: ULTRACUT FBS II 6 is certified for use in seismic areas, ensuring safety and reliability even in extreme conditions. The extremely small hexagonal head makes it particularly suitable for fixing mounting rails in plant installations. Quick Installation & No Hole Cleaning: This concrete screw can be installed quickly without the need to clean the hole, making it ideal for ceiling and floor installations. Variable installation depth: Designed for variable installation depth, ensuring a secure and robust attachment in various plant applications. VERSATILE AND PERFORMANCE: Suitable for fixing pipes, walkways and countertops, including use in pre-compressed hollow concrete with multiple (hyperstatic) fixings. Adjustable and removable: ETA certification allows you to adjust the installation twice, allowing you to loosen the screw up to 20mm and insert thicknesses up to 10mm for optimal leveling.