... ",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 good quality ... from you and we will quote you competitive price asap. hot dipped galvanized spring nut(M6,M8,M10,M12,1/4",3/8",1 ...