CNC Machining Parts, Metal Stamping, Casting Parts manufacturer / supplier in China, offering Wholesale Carbon Steel DIN934 Hex Nuts Metal M6 M8 M10 M12 M14 M16 M18 M20 Hexagon Nuts, DIN14218 Carbon Steel Stainless Steel Hexagon Head Flange Nut with Fine Pitch Thread Nuts, ISO7380 Stainless Steel 304 Pan Mushroom Hex Flange Socket Head Allen Bolt with Washer Attached and so on.