... ;or mild steel; 2.Surface:polished;galvanized; 3.Competitive price and best quality; Metal stamping part ... or polished,galvanized,hot dipped and so on;3.Stainless Steel 304 or 316 spring nut;(Size ... : M6,M8,M10,M12,1/4",5/16",3/8",1/2");4.Competitive price and ... good quality;5.OEM service available;6.Size: ... *9.1mm,M12*11.9mm,1/4",3/8",5/16",1/2"; SS304 or SS316 M12 ...