Concrete Screws CSK M7.5mm x 102mm Qty 100 Driver Bit Included 1 : Amazon.co.uk: DIY & Tools
How to fix REALLY HEAVY things to walls? Meet the WALL BOLT! - YouTube
Best Heavy Duty Fixing in Brick and Concrete | Atlas Bolts are high-quality boron steel fixings that cut their own thread in the host material. You don't need wall plugs or resin