hot dipped spring nut: 1.Material:Carbon Steel; 2.Surface:Hot Dipped Galvanized; 3.Good price and quality; ... (M6,M8,M10,M12,1/2",1/4",5/16",3/8"): 1.Material:carbon steel;2.Surface treament:nickel plating,,zinc ... ,hot dipped and so on;3.Stainless steel 304 or 316 or carbon steel channel nut;4.Competitive price and good quality;5 ... .1mm,M12*8mm,M12*9.1mm,M12*11.9mm,1/4",3/8",5/16",1/2" )We hope to receive ...