[100 PKG] Concrete Screws Phillips Flat Head with Drill Bit 1/4 X 3 1/4

Experience a secure, flush-mounted hold in concrete with these Phillips Flat Head Concrete Screws. Each set includes a 1/4 in diameter x 3-1/4 in length screw along with a compatible drill bit for fast, on-site installation.Designed for fastening fixtures, brackets, and other hardware into concrete or masonry, these screws feature a Phillips flat head that countersinks neatly for a clean finished look. Size: 1/4 in diameter x 3-1/4 in length Drive: Phillips flat head for easy, tool-friendly installation Includes: Drill bit included for quick prep and driving Application: Ideal for mounting into concrete and masonry surfaces Finish: Countersunk head for a flush, neat appearanceNote: Pre-drilling may be required depending on substrate and fixture requirements. Perfect for upgrading hardware installations with a secure, durable concrete fastening solution.