Hilti 3/4 in. x 4-1/2 in. Kwik Hus-EZ Concrete and Masonry Screw Anchors (10-Piece) 418083 - The Home Depot
CONFAST 1/4" x 1-1/4" Concrete Screws 410 Stainless Steel Hex with Concrete Drill Bit for Anchoring to Masonry, Block or Brick (50 per Box): Amazon.com: Industrial & Scientific