Tapcon,L DIA zinc plated,3/4-Inch x4 1/2-Inch

Cuts its Own Threads into Concrete Finished Hex Washer Head, with Anti-Rotation Serrations Anchor is Stamped with a Length Identification Code Use Standard Drill BitsYou may also like 0026395, (Pack of 5) M8-0.75 Pitch X 35mm Socket Head Cap Screw, Grade 5 (Ti-6Al-4V).