Masonry Anchor, Tapping Screw, Driling Screw manufacturer / supplier in China, offering M10/M12 Thread 1mm Pitch Zinc Plated Hollow Thread Rod for Pipe, Hollow Female Threaded Rod Hollow Threaded Rod Screws, Stainless Steel Concrete Anchor Bolts 3/8" X 3-3/4 Inch Wedge Anchors for Concrete Cement Wall Base Bracket Rust and Corrosion Resistant and so on.