1/4. x 3-3/4 in. Hex-Head CoNCRETE ANCHOR *Sub Brand: Tapcon *Diameter: 1/4 in. *Length: 3-3/4 in. *Material: Steel *Head Style: Hex Head *Product Type: Concrete Screw Anchor *Number in Package: 75 per box *Dimeter: 1/4 in. *Thread Type: High/Low *Packaging Type: Clamshell *Works in all masonry-based material including concrete, block, or brick* Use these screws for a variety of projects including fixing sill plates, electrical equipment, 2x4's, and many other fixtures to masonry* Climaseal blue coating delivers long-lasting corrosion protection* Chisel edges accurately cut threads into concrete allowing for consistent driving performance and back holding power* Advanced threadform reduces installation torque by 30 percent, allowing for use in a wider range of materials* A reputation for quality, strength and ease of installation from industry professionals* Approved for use in ACQ treated lumber* Includes a free carbide-tipped Tapcon Drill Bit*To install, use a 5/32 in. carbide-tipped Tapcon Drill Bit to drill pilot hole