Black concrete nails are made from black carbon steel wires. We have several shank types for black concrete nails including smooth shank, ring shank, twisted shank, twilled shank. The head types of black concrete nails can be headless, round head, etc. It offers good corrosion resistance and good strength. We offer black concrete nails with typically the following specifications: Nail Wire Diameter: 1.2mm to 5.0mm. Nail Length: 12mm to 254mm. Material: #45 high grade carbon steel. Finish: zinc plated, black concrete nail. Package: 25kg/ carton. Application: Black concrete nails, like concrete nails of other materials, are mostly used for screwing and fastening of firm and strong sites. Black Concrete Nails/ Blue Concrete Nails: |