1/4-20 x 5 MACHINE SCREWS / Slotted / Round Head / Steel / Zinc meaning it grabs the flats

meaning it grabs the flats of the screw and not the corners

10X1 Phillips Bugle Head Coarse Thread Drywall Screw Black Phosphate Particle Board

Aerosmith®’s Blue Banger Hanger® Steel Deck Insert cast-in-place anchors are installed prior to pouring concrete which reduces installation and material costs and increases strength values

7-16X7/16 Phillips Pan head Fine Drywall Framing Screw Zinc

DeWALT SKU-DFME4EUF345-The UltraCon SS4 anchor is a 410 stainless steel screw anchor for light to medium duty applications in concrete and masonry block base materials

1/4-20 x 5 MACHINE SCREWS / Slotted / Round Head / Steel / Zinc meaning it grabs the flats