Self-Drilling Drywall Anchor with Screw Kit Universal Anchor Bolts

The Expansion is produced by tightening a threaded bolt, pulling a cone, which presses the sleeve against the hole wall. Widely used in fences, security doors and windows, home decoration, engineering, etc. No rusting, no deformation, no pollution.   Main features High expansion locking screwsHigh performance expansion of the hollow drive wall anchors during installation, providing high load capacity and safety. Various sizes for most of the walls You can choose between different screw sizes to meet your different requirements. Suitable for a wide range of thicknesses of cavity walls. Heavy-duty hanging helperMade of high quality galvanized carbon steel, the hollow expansion screws are rust, corrosion resistant and durable enough to hang items such as curtain rods, lamps, photo frames, coat racks and more. A wide range of applicationsPerfect for fixing plasterboard with cavity anchor,  widely used for drywall, hollow block, plaster, tile, perfect for hanging curtain rods, lamps,