DeWalt Ultracon+ Concrete Screw Anchor 1/4" X 3 1/4": Light/Medium Duty, Phillips Flat Head, White (1000/Pkg.) #DFM2ELD389 | AFT Fasteners
DeWALT® 2742SD Self-Threading Concrete Anchor Screw, 3/16 in Dia, 1-3/4 in OAL, Flat/Phillips® Head Drive, Carbon Steel | State Electric
DeWalt DFM12742 Ultracon+ Series Concrete Screw Anchor, 3/16 Inch By 1-3/4 Inch Carbon Steel, Zinc Stalgard: Concrete Anchor Screws - Flat Head Up To 1-1/2 Pounds (075352317021-1)
Dewalt Engineered by Powers 1/2" x 3" Screw-Bolt+ Concrete Screw Anchor Zinc, PFM1411380, 50/BX: Amazon.com: Industrial & Scientific
DEWALT Concrete Bottom Mount 3/8 x 1-1/2" (=Sammy CST-20) - ARGCO.COM
DeWalt DFM12720 Ultracon+ Series Concrete Screw Anchor, 1/4 Inch By 1-1/4 Inch Carbon Steel, Zinc Stalgard: Concrete Anchor Screws - Hex Head Over 1-1/2 Pounds (075352317458-1)