... nut: 1.Material: SS304 or SS316;carbon steel 2.Surface:polished;galvanized 3.Good price and quality Detailed ... stamping part/Fastener:Stainless Steel 304 or 316 channel spring nut:1.Material:stainless steel 304 or ... 316;carbon steel;2.Surface treament: polished,galvanized,hot dipped,nickel plating ... spring nut;(Size: 1/4",3/8",5/16",1/2",M6,M8,M10,M12);4.Competitive price ...