Concrete Nails 1.Material:carbon steel#45,#65 2.Process:galvanized,electro 3. ... concrete nails in boxes/Concrete nails1.Size: 3/4", 1", 2", 3", 4", 5", 6"2.Head: flat, gridding3.Shank: smooth/plain ... .Delivery time: 25 days for 20 GP5.Packing: in bulk ; 1 kg/box, 20 boxes/ carton; 25 kg/carton; 50 kg ...