Hex Head Wood Screw With Plastic Wafer 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：Fasteners-Self Drilling Screw Next：Zinc Wafer Head Self Drilling Screw
