21mm SCAFFOLDING WRENCH
21mm SCAFFOLDING WRENCH
21mm SCAFFOLDING WRENCH
21mm SCAFFOLDING WRENCH

21mm Scaffolding Wrench

£12.99

Tax included

The Amtech Scaffolding Wrench is a robust and durable tool, designed for professional use in demanding environments. Featuring a carbon steel shaft, this wrench delivers superior strength and durability, making it ideal for heavy-duty tasks. The CRV socket is built to withstand high torque and tackle tough jobs with ease. Finished with a black phosphate coating, the wrench offers enhanced corrosion resistance, ensuring long-lasting performance even in challenging conditions. Backed by a 3-year guarantee, it is a reliable addition to any toolkit.

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Description How to Use Warranty

Amtech 21mm Scaffolding Wrench

Built for strength and durability, the Amtech 21mm Scaffolding Wrench is designed to meet the demands of professional scaffolding work. Featuring a robust carbon steel shaft and a chrome vanadium (CRV) socket, this wrench provides excellent torque and toughness for heavy-duty applications. Its black phosphate finish offers superior corrosion resistance, ensuring long-lasting performance on site. Supported by a 3-year guarantee, it’s a dependable tool for tradespeople requiring reliability and strength.

🔧 21mm CRV socket for heavy-duty scaffolding nuts and bolts

💪 Carbon steel shaft with corrosion-resistant finish

🛠️ Backed by a 3-year guarantee for peace of mind

🧰 How to Use the Amtech 21mm Scaffolding Wrench
1. Secure the Wrench on the Fitting
Place the 21mm CRV socket over the scaffold nut or bolt. Ensure it fits snugly to avoid slippage during tightening or loosening.
2. Tighten or Loosen with Confidence
Rotate the wrench clockwise to tighten or anti-clockwise to loosen. The high-torque CRV socket handles pressure with ease, making your job faster and more efficient.
3. Work in All Weather Conditions
The black phosphate finish protects the wrench from rust, so you can use it in damp, outdoor, or site conditions without concern.
4. Store Safely After Use
Clean off any debris and store in a dry place or tool organiser. The durable construction ensures it stays in good condition between uses.
5. Rely on Guaranteed Quality
This wrench is backed by a 3-year guarantee, giving you peace of mind for long-term reliability.

We work hard to make sure Amtech tools are reliable as well as affordable. However, if you have a problem with any product, we want to get your job up and running again as quickly as possible.

All our hand tools are backed by a three year product replacement warranty and our power tools range are covered for up to two years.

So if something develops a fault within the specified warranty period, we’ll replace it, subject to proof of purchase.

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Is This the Right Tool for You

🧰 Is This Tool Right For You?

✅ Perfect for professional scaffolding tasks requiring a 21mm socket for clamps, fittings, and scaffold fixings

✅ Built for demanding environments with a carbon steel shaft and corrosion-resistant finish

✅ Suitable for users who need a high-torque, durable tool that can withstand outdoor and construction site conditions

✅ Ideal for tradespeople looking for long-term reliability, backed by a 3-year guarantee

⚠️ Not suitable for general-purpose fastening—specifically designed for scaffolding applications

⚠️ Not adjustable—fits only 21mm nuts and bolts

How This Tool Makes Your Job Easier

How This Tool Makes Your Job Easier

🔧 Built for tough jobs – the carbon steel shaft provides the strength needed for heavy-duty scaffolding work

💥 CRV socket handles high torque, making loosening and tightening quick and efficient

🛡️ Corrosion-resistant finish keeps the tool performing reliably even in wet or rough conditions

🛠️ Backed by a 3-year guarantee, so you can work with confidence knowing it’s made to last

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How We Compare

Feature ✅ 21mm Scaffolding Wrench ❌ Other
Build Quality and Strength ✅ Carbon steel shaft and CRV socket provide high strength and durability for heavy-duty scaffolding tasks ❌ Typically made from lower-grade steel, less suited for the high torque demands of scaffolding work
Corrosion Resistance ✅ Black phosphate finish offers superior protection against rust and corrosion in harsh outdoor environments ❌ Often lacks specialised coating, making it more vulnerable to rust and wear over time
Design and Usability ✅ Designed specifically for scaffolding, with a CRV socket to fit scaffold fittings securely and reduce slipping ❌ General-purpose design may not provide the perfect fit or grip needed for scaffold components, risking damage or slippage
Vector

Why Buy from Amtech?

🔧 Why Choose Amtech?

• Trusted Quality: Over 30 years of reliable performance.

• Everyday Practicality: Designed for real jobs – smart, durable, easy to use.

• Great Value: Professional results without the premium price tag.

• Ongoing Support: Straightforward warranties and UK-based after-care.

• 90-Day Free Returns: Just in case it’s not quite right for your project.

Frequently Asked Questions

You have questions, we have answers

What makes Amtech tools different from other brands?

Amtech stands out for its commitment to quality, affordability, and variety. We offer a wide range of high-quality, durable tools at budget-friendly prices, making us a go-to choice for both DIY enthusiasts and professionals.

How can I get assistance if I'm unsure which Amtech tool is right for my project?

Our customer service team is always ready to help. You can email us at support@amtechdiy.com or call on 0189 5435556. We can guide you in choosing the right tool for your specific project needs.

What’s your returns policy?

Somtimes a product might not be just right for your project, and that's why we offer 90-day free returns. Start a return from “My Account.” We’ll email a pre-paid Evri label—drop it at your nearest Evri point.

What warranty do you offer?

Rest assured, you're covered with our 3-Year No-Fuss Warranty on all Hand Tools, and a 2 Year No-Fuss Warranty on Power Tools. No registration needed - just keep your proof of purchase.



Can I buy Amtech locally?

Absolutely! We have thousands of great stockists acoss the UK - find your nearest one here.

Be sure to call ahead to check stock availability!

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DIY Know How

At Amtech, our mission is to empower every DIY’er—no matter their experience level—to tackle tasks with confidence and ease. We provide affordable, reliable tools, along with honest advice and practical know-how, so you can feel supported every step of the way.

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