Red Head LDT-1230 Large Diameter Tapcon 1/2-Inch by 3-Inch Anchor (25 per Box)

Cuts it's Own Threads into Concrete Anchor Bodies are Made of Hardened Carbon Steel and Zinc Plated, Grade 10 Finished Hex Washer Head, with Anti-Rotation Serrations Anchor is Stamped with a Length Identification Code Use Standard Drill Bits