SS304/316 spring nut: 1.Material: SS304/316;carbon steel; 2. ... stamping part/Fastener:Stainless Steel 304 or 316 channel spring nut:1.Material:stainless steel 304 or 316;carbon steel ... zinc plating);nickel plating;3.Stainless Steel 304 or 316 spring nut;(Size: 1/4",5/16",3/8",1 ... 8mm,M10*9.1mm,M12*8mm,M12*9.1mm,M12*11.9mm,1/4",3/8",5/16",1/2"; ... competitive price asap. A2(SS304) and A4(SS316) spring nut