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🔧 Galvanized Hollow Wall Petal Nut – Fast Expansion & Reliable Hold

🔧 Galvanized Hollow Wall Petal Nut – Fast Expansion & Reliable Hold

 (8865 Reviews)
$19.99
$19.99
SAVE Sold out

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🔧 Galvanized Hollow Wall Petal Nut – Fast Expansion & Reliable Hold

🔧 Galvanized Hollow Wall Petal Nut – Fast Expansion & Reliable Hold

$19.99
$19.99
SAVE Sold out
Strong Grip. Simple Installation.

A More Secure Way to Fasten Thin Hollow Materials

Stop struggling with fasteners that won't hold securely. These expansion anchor bolts create a firm grip behind thin hollow surfaces for stable, reliable fastening.

Expansion anchor bolt installation demonstration
Expansion anchor bolt
Why You'll Love Them
✅ Secure Expansion Grip — expands behind hollow material for a stronger, more stable hold.
✅ Zinc-Plated Carbon Steel — designed for durability and everyday fastening projects.
✅ Deep, Even Threads — helps deliver consistent fastening force.
✅ Quick Installation — drill, insert, tighten and secure.
✅ Multiple Sizes Available — choose the right fit for different project needs.

🔩 Built for Reliable Fastening

Made from carbon steel with a zinc-plated finish, these anchors are built to handle everyday installation jobs while helping resist surface wear and corrosion.

Zinc plated carbon steel construction

💪 Engineered for a Secure Grip

The expandable sleeve changes shape as the screw is tightened, helping distribute pressure behind the hollow surface instead of relying only on the front edge.

What that means for you: a more stable fastening point with less guesswork during installation.
Expandable anchor grip structure

🛠️ One Fastener, Multiple Applications

Designed for 0–5 mm thin hollow substrates, making them useful for a range of workshop, repair and installation projects.

✓ Aluminum alloy profiles
✓ Hollow steel tubing
✓ Sheet metal
✓ Hollow plastic board
Expansion anchor bolt applications

🚀 Easy 4-Step Installation

No complicated installation process. Once you've selected the correct size, installation takes just four straightforward steps.

1. Drill the correct-size hole.
2. Insert the anchor into the hollow material.
3. Tighten the screw.
4. The anchor expands behind the material to create a secure hold.
Four step installation

✨ Small Details Make a Big Difference

From the threads to the expandable sleeve, each part is designed to work together for more predictable fastening.

🔹 Smooth Zinc-Plated Finish — helps protect the metal surface.
🔹 Precision-Machined Threads — provide consistent screw engagement.
🔹 Expandable Grip Structure — creates holding force behind the hollow surface.
📏 Sizing Tip: For the most accurate size selection, measure the required dimensions with a caliper whenever possible.
Expansion anchor bolt details

📐 Choose the Right Size

Size Fit Range Drill Hole Screw Length Screw Diameter Sleeve Length
M4×20 0–5 mm 8 mm 20 mm 4 mm 16 mm
M5×25 0–5 mm 10 mm 25 mm 5 mm 18 mm
M6×25 0–5 mm 12 mm 25 mm 6 mm 20 mm
Expansion anchor bolt size specifications

Upgrade Your Next Fastening Job

Choose the size that fits your project and get the secure expansion grip you need without a complicated installation process.

🔩 Strong Grip   •   ⚡ Quick Setup   •   🛠️ Multiple Sizes

Why Shop With Us?

📦 Fast Order Processing — your order is prepared as quickly as possible.
🔒 Secure Checkout — shop confidently with protected payment processing.
💬 Customer Support — we're here to help with product or order questions.
✅ Satisfaction Support — contact us if you experience an issue with your order.
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FAQ

1. When will my order ship?
Most orders are processed within 1–3 business days.

2. How long is delivery?
Standard U.S. delivery usually takes 5–12 business days. International orders may take longer.

3. How do I track my order?
Once your order ships, you will receive an email with a tracking number.

4. Can I change or cancel my order?
Orders can only be changed or canceled before they are shipped. Contact us as soon as possible if you need assistance.

5. What payment methods do you accept?
We accept major credit/debit cards, PayPal, Shop Pay, Apple Pay, and other secure checkout options (depending on availability).

6. What if the item arrived damaged?
Please email us with a photo of the damaged item within 48 hours, and we will arrange a replacement or refund.

7. What if the package is lost?
If your package is marked “delivered” but you didn’t receive it, contact us and we will help investigate with the carrier.

8. Do you ship internationally?
Yes, we ship to most countries. Shipping times vary based on destination.

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