Drill Bit For Concrete Screws (BN786200) -Harris & Bailey Ltd
CONFAST 1/4" (6.35mm) x 2-1/4" (57.15mm) Hex Head Concrete Screw Anchor with Drill Bit for Anchoring to Masonry, Block, Brick (100 per Box) : Amazon.co.uk: DIY & Tools
Tapcon 5/32 in. x 3-1/2 in. L Carbide Tipped Concrete Drill Bit 1 pc. - Total Qty: 1; Each, Count of: 1 - Fry's Food Stores