DIN Csk Head Self Tapping Screw Zinc Galvanized Sheet Metal Screw C1022 Tianjin Huhao Metal Products Limited Base Info Material：Carbon SteelType：Countersunk HeadHead Style：Counter Sunk Bolt Description Pre：Zinc Plated Pan Head Self Drilling Screw C1022 Roof Screw Sheet Metal Screw DIN 7504p Screw Next：DIN 7505 Chipboard Screw Fiberboard Screw Wood Screw Zinc Plated Decoration Screw
