nuts and washers 1.material: stainless steel,carbon steel 2.over ten years supplier 3.free sample 4.SGS,Rohs metal nuts and washers in hardware manufaturer Material:stainless steel,carbon steel,aluminumSurface:nickel plated,white zinc plated,color plated,chrome plated,zinc platedStandard: DIN,ISoPacking:carton box,paper bag,poly bag or according to the customers'requirementsMin Order:100,000 ...