Nut, Bolt, Screw manufacturer / supplier in China, offering CE Certified Low Profile M5 Electrical Enclosure Vibration Proof Hexagonal Flange Welding Nut, Custom OEM Metric Thread DIN 6926 Flanged Self Locking CNC Machined Hexagonal Flange Welding Nut, High Temperature Resistant Alloy Steel M16 Petrochemical Pipeline Fastening Hexagonal Flange Welding Nut and so on.