Bolt, Nut, Thread Rod manufacturer / supplier in China, offering Corrosion Resistant 1/2" Unc 2A Thread ASTM A193 Grade B7 Hot DIP Galvanized Carbon Steel Hex Bolt with A194 2h Nut for Fpso Project, Durable Construction Nace Mr0175 1/2" Unc 2A Thread ASTM A193 Grade B7m Hot DIP Galvanized Carbon Steel Hex Bolt for Fpso Project, High Strength DIN912 M8 M10 ASTM Uns S17400 SUS630 17-4pH Harden Stainless Steel Hexagon Socket Head Cap Screw Bolt for Fpso Offshore Platforms and so on.