Masonry Anchor, Tapping Screw, Driling Screw manufacturer / supplier in China, offering 10mm M10 Double End Threaded Stud Bolts Manufacturers A2 304 Stainless Steel, Color Painted Screw Flange Hex Head Self Drilling Roofing Screws for Roof, 304 316 Stainless Steel Long Round Cylindrical Coupling Nuts/Galvanized Connecting Nut/Long Hex Coupling Nuts and so on.