Amazon.com: Hilti 418073 1/2-Inch x 4-Inch Kwik Hus-EZ Concrete and Masonry Screw Anchor, 25-Pack : Industrial & Scientific
ITW RED HEAD 1/4 inch x 2-3/4 inch Tapcon,HW4-234 Hex Head Concrete Screw for Anchoring to Masonry,Block or Brick (500 per Case): Amazon.com: Industrial & Scientific
Tapcon 1/4-in x 3-1/4-in Concrete Anchors (75-Pack) in the Anchors department at Lowes.com
ITW RED HEAD 1/4 inch x 4 inch Tapcon,PF4-4 Flat Phillips Concrete Screw for Anchoring to Masonry,Block or Brick (500 per Case): Amazon.com: Industrial & Scientific
Tapcon 1/2 in. x 4 in. Steel Hex Washer-Head Indoor/Outdoor Concrete Anchors (10-Pack) 11420 - The Home Depot
Amazon.com: Red Head LDT-1230 Large Diameter Tapcon 1/2-Inch by 3-Inch Anchor (25 per Box) : Industrial & Scientific
Hex Head Concrete Screw Masonry Anchors - 1/4 x 2-1/4 Qty-100: Concrete Screws And Bolts: Amazon.com: Industrial & Scientific
Tapcon 1/2 in. x 4 in. Steel Hex Washer-Head Indoor/Outdoor Concrete Anchors (10-Pack) 11420 - The Home Depot
1/4" x 1-1/4" Conquest Hex Concrete Screw - 410 Stainless Steel, Pkg 1 – Fasteners Plus