DEWALT UltraCon Star Drive Flat Head Carbon Steel Stalgard Silver, 5/16" x 2-1/4" (Bulk Box of 1,000)

The Ultracon FH 5/16 X 2-1/4 CS Silver is a DEWALT ULTRACON+ concrete screw anchor, engineered for high-performance fastening into concrete, block, and brick with reduced installation torque. Made from zinc-plated carbon steel, it delivers strong holding values across a wide range of base materials, and its self-tapping threads make for quick, clean installs.