Hillman 42063 Concrete Screw Nail, Concrete Nails, 4D, 1-1/2 in L, Steel, Tempered Hardened, Flat Head, Silver, 6 oz

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.

Features:

• For fastening wood to concrete or masonry