Hot Selling Low Price Class 10.9 Hot Dip Galvanized Steel Threaded Rods Manufacturers and Suppliers. We are specialized in the production of class Class 10.9 Hot Dip Galvanized Steel Threaded Rods and anchor bolts (including U bolts, L bolts, J bolts, double head bolts, etc.), production of 1000 tons per month, in line with ANSI, DIN, BSW and JIS standards.The grades include B7, ASTM 307 Grade 2, ASTM 307 Grade 2, Grade 4.8,6.8,8.8,10.9, and 12.9.The product raw materials are Q235,35K, 45 #, 40CR, Q345B, Q345D and B7, etc.Surface treatment is mainly natural color, zinc plate, hot-dip galvanized, black.We also have many different packages for our customers to choose from.