20 x M4 Cavity Plugs Anchors and Screws for Hollow Doors, Jack and Petal Nuts, Expansion for Aluminium Cladding, Iron Sheets, Thin Walls

• 【M4 Hollow Gate Anchors】 A set of 20 hollow door anchors with high quality M4x20 expansion nuts, the screw diameter is 4mm/0.16inch and the length of the anchor is 16mm/0.62inch. These cavity anchors are perfect for doors from 0 to 5 mm thick and provide reliable support and secure installation in hollow walls.
• 【Load Capacity】With a load capacity of up to 10kg, M4x20 anchors provide reliable support, while their M5x20 counterparts can support up to 15kg. These hollow door anchors and screw anchors provide heavy duty reinforcement while minimizing stress on walls.
• 【Premium Material】Made of high quality carbon steel, these hollow door anchors provide exceptional strength and durability, ensuring a secure grip on hollow doors and other materials. Jack Nuts galvanized coating provides an extra layer of protection against rust and corrosion, making these hollow door anchors suitable for both indoor and outdoor use.
• 【Use】Determine where you want to place the anchor and mark the location with a pencil. Use an 8mm drill bit and drill a hole in the marked place. Place your device (e.g. curtain rod holder, lamp holder) over the anchor. Insert the screws through the fitting into the anchor and tighten them. Please note that our product does not contain tools for inserting and removing wall anchors.
• 【Wide Application】High-strength hollow wall anchors expand when installed, providing great load-bearing capacity and safety. Petal nuts Ideal for a wide range of applications including fixing hollow doors, drywall and other lightweight materials. In addition, they can also be used to hang curtain rods, lamps, etc.