Fischer UltraCut FBS II M8/M10 I Concrete Screws with Internal Thread 6mm x 55mm (Pack of 100)

The Fischer UltraCut FBS II M8/M10 I concrete screws with internal thread deliver professional-grade fastening performance for building service engineering applications. Manufactured from zinc-plated steel, these 6mm x 55mm screws secure pipe routes, channel systems, and ventilation ducts with exceptional reliability. The innovative thread design cuts deeply into concrete when driven with an impact driver, ensuring superior load-bearing capacity with minimal drilling effort. Variable embedment depths provide installation flexibility, while ETA assessment confirms high performance across masonry and concrete substrates. Fire resistance classification R 120 and C1 seismic performance certification ensure compliance in demanding environments. Certified for both cracked and non-cracked concrete, these screws deliver consistent holding power across varying installation conditions. Features & Benefits: Thread flanks cut deeply into concrete for robust hold and superior load-bearing capacity.