... Asia , Africa , Oceania , Mid East , Eastern Asia , Western ROOFING NAIL STANDARD: DIN GB SPECIFICATION: Diameter: 2.2-6mm Length ... 1022A FEATURE: No Point, Blunt Diamond Point, Diamond Point, Screw Shank or Ring Shank FINISH: Polished, Electric Galvanized, Heat ... headless iron wire nails, Galvanized Roofing Nails, Galvanized Concrete Nails, wood screws, self-drilling screw, chipboard screws and so on ...