Hollow Wall Anchor L Bolt

Hollow Wall Anchor L Bolt

The Duojia Hollow Wall Anchor with an integrated L-Bolt (also known as a right-angle hook bolt) is a specialized fastener designed to create a strong and reliable hanging point on hollow surfaces such as drywall, plasterboard, hollow-core doors, and other panel-based walls. Constructed from durable carbon steel and finished with a protective White Zinc Plating, this anchor offers excellent longevity and corrosion resistance for indoor use. Its robust expansion mechanism and built-in hook make it a one-step solution for hanging medium to heavy-weight objects securely.

Clarification on Anchor Type and Variations

This product is a specific variation of the classic hollow wall anchor (often called a “Molly Bolt”). Instead of being supplied with a standard removable screw, this version comes pre-assembled with a permanent, 90-degree L-shaped bolt. This design eliminates the need for a separate hook, making it ideal for direct hanging applications.

As indicated by the “Related Products” section on the webpage, the same expanding anchor body is also available from the manufacturer with different bolt types, including:

  • Hex Head Bolt: For high-torque installation with a wrench.
  • Eye Bolt: For applications requiring a closed loop.
  • Cross Head (Phillips/Slotted) Bolt: For standard screwdriver installation.

Product Mechanism and Installation

This anchor utilizes a proven expansion mechanism to create a secure hold from behind the wall material.

  • Mechanism: The anchor consists of a cylindrical, slotted sleeve with an integrated flange and a pre-inserted L-shaped bolt. The flange features small teeth on its underside designed to bite into the wall surface, preventing the anchor from spinning during installation. When the L-bolt is turned, it pulls the threaded section of the sleeve forward, causing the slotted body to collapse and expand into a set of “legs” that clamp firmly against the back of the hollow wall.
  • Installation Process:
    1. Drill a hole in the wall to the diameter specified for the anchor size.
    2. Gently tap the entire anchor assembly into the hole until the flange is flush with the wall surface. The anti-rotation teeth will grip the wall.
    3. Begin tightening the L-bolt by turning the hook clockwise. Initially, this can be done by hand.
    4. Once it becomes snug, use pliers or a small wrench on the shank of the hook to apply more torque. Continue tightening until you feel firm resistance, which indicates the anchor has fully expanded and set behind the wall.
    5. The L-bolt is now a permanent, secure hanging point ready for use.

Product Parameters

Parameter ItemSpecification Description
Product NameHollow Wall Anchor L Bolt
Brand NameDuojia
Place of OriginHebei, China
MaterialCarbon Steel
Surface TreatmentWhite Zinc Plated
Available SizesM6-M20
Strength Grades4.8, 8.8, 10.9, 12.9, A2-70, A4-70, A4-80 etc.
Measurement SystemMetric
ApplicationHeavy Industry, General Industry, Interior Decoration
CertificationsISO9001, ISO14001, ISO45001, SGS
Packaging OptionsSmall Pack + Carton + Pallet; Bag/Box with Pallet

Key Features

  • Integrated Hanging Point: The L-shaped bolt provides a ready-to-use hook, simplifying the installation of hanging items.
  • High Load Capacity: The expansion mechanism distributes the load over a wide area behind the wall, providing a much stronger hold than simple screws or plastic anchors.
  • Durable Construction: Made from high-grade carbon steel with a corrosion-resistant white zinc finish.
  • Anti-Rotation Flange: The toothed flange prevents the anchor body from spinning in the hole during tightening, ensuring a proper and secure set.
  • Secure and Permanent: Once installed, the anchor provides a reliable and permanent fixing point.

Common Applications

This anchor is the perfect solution for hanging items directly from drywall or other hollow surfaces where a strong, integrated hook is needed.

  • Hanging potted plants from ceilings or walls.
  • Organizing tools, equipment, or extension cords on a garage or workshop wall.
  • Mounting wall-mounted coat racks, key holders, or message boards.
  • Securing guide wires, cables, or light-duty chains.
  • Hanging heavy pictures, clocks, or other decorative items.