Non-Standard Metal Parts manufacturer / supplier in China, offering Fastener Double End Studs Threaded Rod Stud Bolt High Strength Threaded Stud, DIN 315 Wing Nuts DIN315 Butterfly Wing Nuts Stainless Steel Rounded Nuts, DIN929 Hexagon Weld Nuts Hexagon Head 304 Stainless Steel 316 DIN 929 Hex Weld Nuts and so on.