CNC Machining Parts, Metal Stamping, Casting Parts manufacturer / supplier in China, offering High Quality C50lr Zinc Plated Button Nut Anchor Bolt Head Huck Bolt, Carbon Steel 4.8 8.8 10.9 12.9 Mild Steel Hexagon Bolt DIN933 Hex Bolt 933 M24 M30 M36 M42 M48, Carbon Steel Stainless Steel DIN557 DIN562 M24 M30 M36 M42 M48 HDG Hot DIP Galvanized Square Nut and so on.