hot dipped spring nut: 1.Material:Carbon Steel; 2.Surface:Hot Dipped Galvanized; 3.Good price and ... 1/4",5/16",3/8"): 1.Material:carbon steel;2.Surface treament:nickel plating,,zinc plating,galvanized,hot ... dipped and so on;3.Stainless steel 304 or 316 or carbon steel channel nut;4.Competitive price and ... will quote you competitive price asap. hot dipped galvanized spring nut(M6,M8,M10,M12,1/4",3/8", ...