Concrete Screw - Red Seal Moisture Barrier High Performance - Flat Head Concrete Screws - Concrete Anchor 1/4" X 2-1/4" Kit Includes 12 Screws, 1 Drill Bit and 1 Driver Bit … : Amazon.co.uk: DIY & Tools
RS PRO Carbon Steel Concrete Screws M6 x 60mm, 6mm fixing hole | RS
ForgeFix TechFast Masonry Screws, TX Compatible, Hex Range | Power Tools Direct