Masonry Anchor, Tapping Screw, Driling Screw manufacturer / supplier in China, offering 10mm M10 Double End Threaded Stud Bolts Manufacturers A2 304 Stainless Steel, 304 316 Stainless Steel Long Round Cylindrical Coupling Nuts/Galvanized Connecting Nut/Long Hex Coupling Nuts, Supply Black Hex Coupling Nut /Staniless Steel Long Hex Nuts Galvanized Connecting Nut/Hexagon Threaded Connecting Nut and so on.