... supplier 3.free sample 4.SGS,Rohs metal nuts and washers in hardware manufaturer Material:stainless steel,carbon steel,aluminumSurface:nickel ... plated,color plated,chrome plated,zinc platedStandard: DIN,ISoPacking:carton box,paper bag,poly bag or according to the customers ... time: 15-20 daysAll dimensions are in millimeters and we can also supply products in your requirements We can also produce the ...