The Hollow Wall Anchor with Hook (commonly referred to as a “Molly Bolt Hook” or “Drywall Ceiling Hanger”) is the specialized fastener solution for suspending heavy items from hollow ceilings and walls. Unlike screw-in plastic hooks that can easily rip out of plasterboard under vertical load, our Hollow Wall Anchor with Hook features a robust metal expansion sleeve that opens like an umbrella behind the board, distributing the weight over a wide area to prevent structural failure.

Product Overview: Manufactured from zinc-plated Carbon Steel, this anchor combines the proven holding power of the classic Molly Bolt with a functional utility head. It is available in two main styles: the C-Hook (Open Hook) for hanging plants and swag lamps, and the Eye Bolt (Closed Loop) for secure cable attachments.

Hollow Wall Anchor with Hook Specifications

Product Name	Hollow Wall Anchor with Hook / Molly Bolt Hanger
Material	Carbon Steel
Finish	Blue-White Zinc Plated (Rust Resistant)
Head Styles	C-Hook (Open) / Eye Hook (Closed) / Right Angle Hook
Load Capacity	Up to 15kg (Vertical Pull in 13mm Drywall)

Engineering Insight: Why use a Molly Hook for Ceilings?

Gravity works differently on ceilings. A standard wall plug relies on friction, which is weakest when pulled straight down. The Hollow Wall Anchor with Hook uses Mechanical Locking:

Load Distribution: The expanded metal spider legs press down on the top surface of the ceiling board. This means the gypsum core itself is being compressed, rather than relying on the fragile paper face.
Vibration Resistance: Unlike toggle wings which can rattle loose, the Molly Bolt design clamps the board tightly from both sides, making it stable for hanging items that might move, like wind chimes or light fixtures.

For more details on cavity fixings, please refer to the Molly fastener entry on Wikipedia.

Installation Guide

Drill: Drill a hole (typically 8mm or 11mm depending on size) into the hollow ceiling or wall.
Insert: Push the anchor into the hole until the anti-rotation barbs bite into the surface.
Expand: Turn the hook clockwise. As you turn, the hook pulls the internal thread, causing the sleeve to expand behind the wall. Keep turning until you feel firm resistance.
Secure: Once expanded, the hook is permanently fixed and ready to hold load.

Frequently Asked Questions (FAQ)

Q: C-Hook or Eye-Hook?
A: Choose the C-Hook for items you want to take on and off (like hanging baskets). Choose the Eye-Hook for permanent fixtures or safety cables where you don’t want the item to slip out.

Q: What is the maximum weight?
A: While the steel anchor is very strong, the limit is usually the drywall itself. For a 1/2″ drywall ceiling, we recommend a safe working load of no more than 10-15kg per point.