CNC Machining Parts, Metal Stamping, Casting Parts manufacturer / supplier in China, offering Stainless A2 A4 304 316 A2-70 A2-80 Hexagon Bolt Fastener Hex Bolt 4017 M10 M12 M14 M16 M20, Stainless Steel Cross Dowels Hole Nut Cylindrical Pin Irregular Cylindrical Nut Metal Barrel Nuts, Carbon Steel 4.8 8.8 10.9 12.9 Mild Steel Hexagon Bolt ISO4017 Hex Bolt 4017 M3 M4 M5 M6 M8 HDG Hot DIP Galvanized and so on.