... so on;3.Stainless Steel 304 or 316 spring nut;(Size: M6,M8,M10,M12,1/4",5/16",3/8",1 ... ;5.OEM service available;6.Packing:200 PCS/carton;7.Size:M6*6mm,M8*6mm,M8*8mm,M10*8mm,M10*9.1mm ... *11.9mm,1/4",3/8",5/16",1/2"; M6(1/4") SS304/SS316 spring nut