M METERXITY 10-Pack M4 x 20 Hollow Door Anchor Set, Petal Nuts Expansion Screw Jack Nut for Hollow Wall/Aluminium Cladding/Steel Pipes/Iron Sheets/Plastic Panels[Black]

M METERXITY 10-Pack M4 x 20 Hollow Door Anchor Set, Petal Nuts Expansion Screw Jack Nut for Hollow Wall/Aluminium Cladding/Steel Pipes/Iron Sheets/Plastic Panels[Black]

• [Multipurpose Use] - Hollowed wall anchors are designed for use in thin walls, applicable to various base materials, including aluminum cladding sheets, iron sheets, hollow plastic sheets, thin metal plates, wallpaper board, concrete, wood, ceramics, and cardboard, among others
• [Durable Hollow Door Anchors] - These hollow wall anchors are crafted from zinc-plated carbon steel, delivering exceptional durability and resistance to wear, water, oil, and corrosion. Built to last, they provide reliable long-term performance even in demanding environments
• [Size & Package] - Nut size is about 12 x 20 mm/0.47 x 0.79 inches(Diameter × Height), and the screw is 7.5 x 24.6 mm/0.30 x 0.97 inches(Diameter × Height), the package includes 10-Pack M4 x 20 hollow door anchors, the sufficient quantity will meet your using requirements
• [Functional Design] - Designed to expand during installation, these door anchors create a firm, wide grip inside hollow surfaces—providing strong bearing capacity for heavy fixtures while preventing pull-outs or loosening over time
• [Installation] - First, drill a hole matching the anchor's diameter. Insert the anchor, adjust the screw, then use the setting tool to compress and secure the anchor. Finally, thread the screw through your item and tighten it firmly with a screwdriver for a secure hold