M12 Hex Concrete Anchor Screw Self-Tapping High Tensile Zinc
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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