ITW Buildex 24292 Tapcon Concrete Hex Head Screw Anchors 5/16 By 2-1/4 Inch Blue 15 Pack: Concrete Anchor Screws - Hex Head Over 1-1/2 Pounds (092097242920-1)
Tapcon Concrete Screw Anchor Blue Treated Lumber Hex Head 1/2 X 4 inch 10 Pack | eBay
Tapcon 5/16 in. x 3 in. Hex-Washer-Head Large Diameter Concrete Anchors (15-Pack) 24293 - The Home Depot
Metallics CSH20F Blue Slotted Self-Tapping Concrete Screw Anchor 1/4-Inch x 1-3/4-Inch | Electrical Wholesalers, Inc.
Tapcon+ 1/2 in. x 5 in. Heavy Duty Screw Anchors 10CT, Blue: Amazon.com: Industrial & Scientific
DeWalt Ultracon+ Concrete Screw Anchor 1/4" x 5": Light/Medium Duty, Hex Washer Head, Blue (100/Pkg.) #DFM12734 | AFT Fasteners
5/8" x 5" Simpson Strong-Tie Titen HD Screw Anchor Mechanically Galvanized, 10/Box