A Beginner's Guide to Attaching Things to Concrete and Brick - YouTube
Tapcon Concrete Screws
Concrete Frame Screw – Reisser UK
EJOT® JC2 Plus concrete screws with optimized thread geometry | EJOT COM
SEQUAL® 110mm (Pack of 20) Easy Drive Countersunk Direct Concrete Screws. No Plugs Needed Concrete Screw Pack Countersunk Screw with Torx Head, T30 Torx Driver Bit Included in Every Screw Pack. :
Rawlplug Frame Screw 7.5mm x 112mm Torx Head - Pack of 30 | Travis Perkins
Concrete Screws | Masonry Screws | Tradefix Direct