DEWALT's 1/4 in. x 2-1/4 in. Tapper+® Slotted Hex-Washer-Head Hi-Lo-Thread Sharp-Point Blue Perma-Seal Screws support efficient installation and repeatable results on commercial and residential jobsites. Precision thread geometry helps reduce cracking and spalling in concrete substrates, improving overall fastening reliability. These screws are well suited for securing electrical boxes, framing connections, brackets, and equipment where consistent load performance and durability are required. The 100 pack format supports productivity by keeping installers supplied for high-volume fastening tasks.