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Heavy Expansion Bolt Set

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  • Expansion is created by tightening a threaded bolt that draws a tapered cone expanding a sleeve against the walls of the hole. Widely used in fence, burglarproof doors, and window, home decoration, engineering, etc. No rust, no deformation, non-pollution.

Main Features

  • Hollow Expansion Secure Bolts
    Heavy-duty hollow drive wall anchor expansion when installing, providing strong bearing capacity and safety. 
  • Various Size for Most Walls
    There are a variety of bolts sizes for you to choose for meeting your different needs. Suitable for a wide range of thicknesses of hollow walls. 
  • Heavy-duty Hanging Helper
    The Hollow Expansion Bolts are made of high-quality zinc plated carbon steel, rust resistance, and corrosion resistance, durable enough for you to hanging items like curtain rods, lamps, photo frames, coat racks, and much more.
  • Wide Range of Application
    Perfect for cavity anchor plasterboard fixing, widely used in drywall, hollow block, plaster, tile, perfect for hanging curtain rods, lamps, photo frames, coat racks, power switches. Convenient for your daily life.
  • How to Use

  • 1. Drill a hole in the wall first;
    2. Insert the hollow wall anchor into the hole;
    3. Hold the screw head with a tool and pull it outwards, and the anchor expanded;
    4. Remove screw position fixture, re-insert screw and tighten.


  • Zinc Plated Carbon Steel
Bolts Size
  •  6.88" x 2.75" x 0.98"
Package Contents
  • 42-piece Set:
  • M6 x 52mm-4PCS, M6 x 65mm-4PCS,M5 x 52mm-6PCS,M5 x 65mm-6PCS,M4 x 32mm-12PCS,M4 x 60mm-10PCS


  • Due to manual measurements, please allow slight measurement deviations.
  • Due to the different display and lighting effects, the actual color of the item may be slightly different from the color displayed on the picture.

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