Bolt, Nut, Screw manufacturer / supplier in China, offering 1/2-13 Nut Bolt 10.9 Grade A325 Structural Hex Bolts Plain Black Finish Type 1 Heavy All Sizes, China Fastener Carbon Steel Nut Bolt 10.9 Grade Hexagon Bolt Carriage Bolt T Bolt Furniture Bolts Stud Bolt Hex Socket Bolt Stainless Steel Bolt and Nut Anchor, M5X40 M7X70 Zinc Plated Carbon Steel Hexagon or Pozi Drive Countersunk Head Furniture Confirmat Screws for Wood and so on.