Features:
【HOLLOWED WALL ANCHOR】You will get 20pcs M4x20 hollowed door anchors.The M4 wall anchors can be widely user from installing cavity wall anchors to hanging curtains, power switches, coat racks, picture frames, and more.
【ZINC PLATED CRAFT】Made of zinc plated carbon steel, provides solid and strong performance in anti-wear, water-proofing, oil-proofing, durable and long time to use.Strengthened anchor wings gives maximum load capacity. The heavy duty hollow wall anchors will expand when you install, providing strong bearing capacity and safey.
【HIGH PERFORMANCE】 Equipped with anti-rotation teeth to ensure a firm fixing for improving reliability. The thread surface is smooth, no burrs, easier threading, and more stable connection.
【WIDE USE】Hollowed wall anchors are designed for use in thin or hollowed walls, widely used in drywall, hollow block, gypsum cardboard, gypsum fiberboard, hard fiberboard, partition walls, plaster. They're heavy duty and can be used on internaland external locations.
【SIMPLE TO USE】 Screws already been fixed in the anchor bolts, users can easily installed the M4 plasterboard plugs within minutes.Just drill a hole in your plaster wall and insert it until the teeth bite firmly into the sheet material, you can then use a tool to fasten into the wall.

Specifications:
Color: silver
Material: carbon steel
Surface treatment: electro-galvanized
Strength level: 4.8
Size(about): use range: 0-5mm/0-0.2inch, hole drill head:8mm/0.31inch, screw length: 20mm/0.79inch, screw dia: 4mm/0.16inch, head dia: 8mm/0.31inch, tube length: 16mm/0.63inch

Package Included:
20pcs x Hollow Door Anchors

Note:
1. Due to the light and screen difference, the item's color may be slightly different from the pictures.
2. Please allow 0.5-2 cm differences due to manual measurement.