🛠️✨ Jack Nut Set – Zinc-Plated Expansion Nuts for Thin Panels

Need a simple way to add secure threaded mounting points to hollow or thin materials? These Jack Nuts expand behind the panel to create a firm threaded anchor without requiring access to the back side.

🔩 Creates a Secure Threaded Anchor

As the screw is tightened, the nut expands behind the material, helping provide a stable fastening point for hollow panels and thin materials.

🧰 Great for DIY & Repairs

Useful for mounting, repairs, hardware installation, and other projects where you need a threaded connection in a thin or hollow surface.

📦 3 Popular Sizes Included

One set includes all three sizes shown:

M4 × 20mm

M6 × 25mm

M8 × 30mm

This gives you different options for various fastening needs.

🛡️ Zinc-Plated Carbon Steel

Made from carbon steel with a zinc-plated finish for added durability and everyday corrosion resistance.

🔧 Easy to Install

Insert the Jack Nut into a properly sized hole, then tighten the screw to expand the nut behind the material and secure it in place.

🏠 Suitable for Various Materials

Ideal for compatible applications involving:

✔ Thin metal sheets
✔ Plastic panels
✔ Aluminum panels
✔ Hollow boards
✔ DIY projects
✔ General hardware installation

✨ One Set, Three Sizes

Instead of buying different sizes separately, this convenient set gives you M4, M6 and M8 Jack Nuts in one package.

📦 Product Information

Product Type: Jack Nut / Expansion Nut
Material: Carbon Steel
Finish: Zinc Plated
Set: 3 pcs
Sizes: M4 × 20mm / M6 × 25mm / M8 × 30mm
Application: Hollow and thin-panel fastening