3/16 In. X 1-1/4 In. HWH Concrete Anchors and 5/32 In. X 3-1/2 In. Masonry Drill
X 1-1/4 In. HWH Concrete Anchors and 5/32 In. X 3-1/2 In. Masonry Drill Bit Combo Kit (25-Piece and 1-Piece). Tapcon Concrete screw anchors draw from its unique ability to TAP its own threads into Concrete, making it an excellent alternative to expansion anchors, plugs, and lag shields.
