ProFIT 3078155 Square Cut Nail, Concrete Cut Nails, 8D, 2-1/2 in L, Steel, Hot-Dipped Galvanized, Rectangular Head, 5 lb

Masonry nails are hardened nails designed to be driven into concrete or the mortar used to hold together bricks or cement blocks. This rigidity also lends masonry nails to a wide variety of installations ranging from attaching plywood subfloor to securing carpet tack strips.