20pcs Hollow Wall Fixings M4 x 20mm, Carbon Steel Door Anchors, Cavity Anchors for Drywall, Plasterboard, Metal Sheets and Panels

Durable Carbon Steel Construction：Made of high-quality carbon steel with a corrosion-resistant finish, these hollow wall anchors provide excellent hardness and strength. They resist deformation and rust, making them suitable for long-term fastening tasks. Secure Fixing for Hollow Walls：Designed for M4 x 20mm applications, each anchor expands firmly inside hollow walls to create a strong, stable hold. Ideal for installing items on drywall, plasterboard, thin metal panels, hollow plastic sheets, and other cavity structures. Easy Installation with Tools：Simple to set using common tools such as a screwdriver or pliers. Tightening the screw expands the anchor into a petal-shaped grip that clamps the board securely, ensuring reliable load-bearing performance. Versatile for Multiple Projects：Suitable for installing shelves, hooks, mirrors, brackets, decorations, and other household or workshop fixtures. Works on hollow panels with a thickness of approximately 0–5mm, covering a wide range of DIY and professional uses. 20-Pack for Daily Repair Needs：Includes 20 hollow wall fixings, offering enough quantity for routine home maintenance, multiple installations, or project backups. Convenient and efficient to keep in your hardware kit for immediate use.