... *83*L Shape:Flat square Grade:Ordinary Standard,10.9 Carbon steel U clampU Bolt,U clamp,U screw Features:Certification:ISO9001 ... ,etcThread pitch1.5mm,1.75mm,2.0mm,3.0mmMaterialmild steel,45#steel,35#steel,40Cr steel,etcHigh quality strengthgrade8.8,9.8,10.9shaperound ... : 2248722589Website: http://jjauto.preview.alibaba.com/ http://www.jiajingcn.com Carbon steel U clamp