... 92*220 Shape:Flat square Grade:Ordinary Standard,10.9 10.9 u bolt,u bolt,u bolt and nutsThe largest ... ,14mm,16mm,20mm,22mm,24mm,27mm,30mm,etcThread pitch1.5mm,1.75mm,2.0mm,3.0mmMaterialmild steel,45#steel, ... 35#steel,40Cr steel,etcHigh quality strengthgrade8.8,9.8,10.9shaperound,flat round,half-round,square,flat ... Our products: Contact us now for more details Grade10.9 u bolt and nuts