... 10 years supplier 4.SGS,Rohs Hex Machine Screw Nuts — 18-8 Stainless Steel, CoarseMaterial:stainless steel,steel,copperDia:M2-M20Surface Finish:nickel plated,white zinc ... manufacturers are all over the world and are always in full swing in the markets. But we are very proud of ... nut markets. We are offering good nut product services with qualities and have modern facilities and quality control for nut ...