1/4X3 3/4 Phillips Flat Concrete Screw With Drill Bit Blue Perma Seal (Pack Qty 100) BC-1460CNPF

Cuts its own threads and when used in concrete, block or brick. Eliminates the need for an anchor when used in light or medium-duty applications. When used in concrete, it can be removed and re-driven into the same hole. Special carbide bits are recommended for driving concrete screws into masonry. Some applications include anchoring the following to masonry: electrical junction boxes, wooden beams, plywood, exterior insulation, metal flashing, thresholds. Case hardened AISI 1022 steel The Ruspert finish is a ceramic coating that also allows these fasteners to be used in pressure-treated lumber