... length:50.80mm;3).Material:Iron.2.Surface Treatment of Bright Common Nails : It could be hot dipped galvanized, electro galvanized ... ,polished,etc.3.The shank thread of Bright Common Nails : It could be twist,spiral,plain,ring,etc ... common nails as per customers' requirements.SpecificationsMaterial :Q195/Q235Surface Treatment: Bright, E.G, HDG, V.C, C.C, P.C and ...