Zinc Coated Self Drilling Screw Tianjin Ruiya Internation St Co., Ltd. Base Info Material：Carbon SteelType：Hexagon HeadHead Style：RoundConnection：Common BoltGrade：12.9Trademark：E-starOrigin：China Mainland Description Pre：Reducing Straight Brass Pipe Fitting Next：Aluminum Grommet, Grommet, Eyelet-10mm Iron Grommet (CS-GM-IR5)
