Hardware, Fasteners, Protective Products manufacturer / supplier in China, offering Cap Nut China Wholesale Stainless Steel Hex Cap Nut Hardware, A2-70 Hexagon Head Nuts Stainless Steel Metric Nuts A4-80 Hex Bolts Nuts, ASME B18.16.6 ISO 7040 DIN 985 DIN 982 Standard Stainless Metric Nylon Insert Hexagon Lock Hex Nuts and so on.