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SEQUAL® 80mm (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. :
Direct Fix Self Tapping Masonry & Concrete Screws - Protrade
100 Masonry/Concrete Frame Fixings/Anchors, 80mm x 7.5mm Screw Direct into Brick, Natural Stone, Gates to Concrete Posts etc. : Amazon.co.uk: DIY & Tools
122mm Masonry Concrete Screws - Buy Online / UK Delivery
100 x Masonry/Concrete Frame Fixings/Anchors, 50mm x 7.5mm Screw direct into brick, natural stone, gates to concrete posts etc. : Amazon.co.uk: DIY & Tools
Direct to Concrete Fixing Screw, 5.5x45mm - Termination Technology Ltd