24PCS M4x20 Hollow Wall Anchor Petal Type Expansion Screw Aluminum Anchor Kit for Hollow Iron Sheet Panels for 0-5mm Walls Blind Rivet Nut

Specifications: Thread length 20 mm, sleeve outer diameter 8 mm, sleeve length 16 mm Dimensions: Thread length 20 mm, sleeve outer diameter 8 mm, sleeve length 16 mm Package includes: 24 M4x20 petal-type expansion nuts Color: Zinc-plated Weight: 96 grams

• Package Contents: Each package contains 24 hollow door anchor sets, suitable for sheet thicknesses of 0-5 mm.
• Material: Made of galvanized steel for rust and corrosion resistance. Features a four-petal expanding sleeve design. Do not use on thick walls or solid wood panels.
• Dimensions: Sleeve outer diameter 8 mm, matching drill bit 8 mm, sleeve length 16 mm, total screw length 20 mm
• Application: The metal structure of these hollow-door anchor bolts provides greater tensile strength, specifically designed to solve the problem of thin sheet metal, aluminum panels, plastic panels, and hollow panels where standard expansion screws cannot be used.
• Customer Service: We are committed to providing our customers with high-quality products and a pleasant customer experience. If you have any questions about this product, please feel free to contact us at any time.