These Fire Door Clinch Cut Nails are used in the fabrication of laminated doors. Also used in clapboard siding, face-nailing wide board flooring and wood fencing. Available in Standard Finish, Hot-Dip Galvanized, and Black Oxide Finish. Available in Standard Finish, Hot-Dip Galvanized, and in select sizes, Black Oxide Finish. Available in 50 lbs., 5 lbs. and 1 lb. options. Refer to each product page for approximate nails per pound.