Screw Xingtai Opada Import & Export Co., Ltd. Base Info Material:Stainless SteelType:Hexagon Head With FlangeHead Style:HexagonalConnection:Common BoltGrade:12.9Trademark:OPADASpecification:allOrigin:ChinaHS Code:73181500 Description Pre:Spring Washers Next:Supanchor Casting and Galvanized Anchor Bolts