Drywall Self-Drilling Anchor with Screw Kit, Gypsum Expansion Anchors Carbon Ste

The package includes 80 drywall self-drilling anchors and 80 self-tapping screws. It contains 2 kinds of anchors: 40 pieces of 0.47x1.18 inches (12x30 mm) and 40 pieces of 0.47x1.57 inches (12x40 mm). The screw size is M4 x 30 mm and M4 x 40 mm. Self-Drilling Anchors Screws made of carbon steel with zinc-plated for strong structure and maximum durability. The anchor design with the ribbed anchor and tapered tip for easy installation and saving your energy. When you tighten the screw, it expands on the opposite sides. Use hammer in fixing on drywall, Plasterboard. They can be used to hang objects on the wall with a maximum hanging weight of 66 pounds. It is very suitable for hanging all kinds of items for home decoration, such as photos, clocks, shelves, wall lamps, curtains, etc. Due to the flat shape design of the anchors, there is no need to drill holes in the wall before installation. You can directly use a Phillips screwdriver to remove the screws and replace the decorations.