Q235 Steel Bolt Sets (fastener) Handan Xinrui Trading Co., Ltd. Base Info Model NO.:1.6X28X9CMMaterial:Carbon SteelType:Bolt SetsConnection:Common BoltHead Style:HexagonalStandard:GBGrade:8.8Application:Power ProjectFinish:Hot GalvanizingBolt Sets:Fastener Description Pre:Hex Washer Serrarte Flange Bolts Next:High Temperature Resistant Round Silicone Gaskets