Concrete Nails 1.Material: carbon steel,alloy steel 2 Standard:DIN,GB,ISO 3.Diameter: 2.5mm-4. ... model: DIN, GB, ISO, ANSI, ASME, JIB etc.Material: Carbon Steel, Stainless steel, Aluminium, Brass. Coating: Plain, zinc plated, galvanized, nickel plated ... are widely used. These are made of high-quality carbon steel and are zinc-plated to provide strength and corrosion resistance ...