... nuts The more the cheaper nuts Nut,steel nuts,NUTSFeatures:Certification:ISO9001:2008Place of origin ... 24mm,27mm,30mm .etcShape:round,half-round,square,flat round,flat half-round, flat squareThread pitch: 1 ... 9Brand of bolt:jinliang,jiajin,u brandMaterial: mild steel,1035steel,1045steel,5140steelSurface protection: paint, black oxide, ... free to contact with us. stainless Steel u bolt Nuts for heavy truck