Hillman 42062 Concrete Screw Nail, Concrete Nails, 2D, 1 in L, Steel, Tempered Hardened, Flat Head, Fluted, Square Shank

Concrete screw nails are great for attaching furring strips and floor plates to uncured concrete. These nails have a square, fluted shank that provides strong holding power and drives fast. The hardened finish provides added strength as well. Do not use these nails in treated lumber or where corrosion is a concern.