Bolt, Nut, Customized Fastener manufacturer / supplier in China, offering 3/8 Thread Rod En10204 3.1 Nace Mr0175 Stainless Steel A193 B5 Stud Bolt for Oil&Gas Industry, 0.75" Unc ASTM A320 Gr. L7 A320-L7 SA 320 L7m a 194 Gr 7ml Hot Dipped Galvanized Stud Bolt C/W 2 Heavy Hex Nuts & Flat Washer, Factory Direct M16*200mm Strain Hardened En10201 3.1 Thread Rod Alloy Steel Nace Mr0175 Super Stainless Steel A193 B5 Stud Bolt for Oil & Gas Industry and so on.