4" (100mm) TWIST KNOT WIRE CUP BRUSH
4" (100mm) TWIST KNOT WIRE CUP BRUSH

100mm (4") Twist Knot Wire Cup Brush

£6.99

Tax included

This 100mm (4") twist knot wire cup brush has wires twisted into tight spirals to maximise the abrasive action. With an M14 x 2 arbor, it operates a maximum 8,500 RPM.

Find a stockist

Add £40.00 more for FREE shipping!

Get next day delivery if you order before 2pm

Description How to Use Warranty

4" (100mm) TWIST KNOT WIRE CUP BRUSH

The 4" (100mm) Twist Knot Wire Cup Brush is an essential tool for both DIY enthusiasts and professionals alike. Designed to tackle heavy-duty cleaning, rust removal, and surface preparation, this cup brush features tightly twisted wires that enhance abrasive action for superior performance. With an M14 x 2 arbor, it is compatible with a wide variety of angle grinders, ensuring versatility for any project. Operating at a maximum speed of 8,500 RPM, this brush is ideal for achieving a smooth finish on metal surfaces and is built to withstand rigorous usage.

- 🛠️ Heavy-duty construction for long-lasting durability
- 💨 High-speed operation at 8,500 RPM for efficient performance
- 🔧 Fits M14 x 2 arbors for compatibility with multiple tools

🔹 How to Use

🔹 Step 1: Ensure the tool is securely mounted on a compatible angle grinder with an M14 x 2 arbor.
🔹 Step 2: Wear appropriate personal protective equipment, including safety goggles and gloves, before operating.
🔹 Step 3: Power on the angle grinder and allow it to reach the maximum RPM of 8,500.
🔹 Step 4: Gently apply the cup brush to the surface, using even pressure and consistent movement to avoid damage.
🔹 Step 5: After use, switch off the tool and clean the brush to maintain its effectiveness and lifespan.

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.

100mm (4

Is This the Right Tool for You

Is This Tool Right For You?

🔹 Ideal for heavy-duty cleaning and rust removal from metal surfaces.

🔹 Perfect for preparing surfaces for painting by stripping old paint and coatings.

🔹 Great for edge work and accessing hard-to-reach areas with its compact design.

🔹 Suitable for use on masonry surfaces, making it versatile for various projects.

🔸 Not recommended for delicate or soft materials where the wire brush could cause damage.

🔸 Less effective for fine detail work or intricate designs that require precision sanding or polishing.

How This Tool Makes Your Job Easier

How This Tool Makes Your Job Easier

🔹 The twist knot design of the wire brush maximises abrasive action, allowing you to clean surfaces more effectively and efficiently, saving you valuable time on your projects.

🔹 With its compact 100mm size, this cup brush is perfect for getting into tight spaces and complex shapes, ensuring you can tackle any job without the need for multiple tools.

🔹 Designed to operate at a maximum speed of 8,500 RPM, you can achieve a faster and smoother finish, greatly enhancing your overall productivity and reducing the effort needed for tougher tasks.

🔹 The M14 x 2 arbor makes this tool compatible with a range of machines, providing versatility in your toolkit and allowing you to easily switch between different attachments for varied applications.

100mm (4

How We Compare

Feature ✅ 100mm (4") Twist Knot Wire Cup Brush ❌ Other
Abrasive Action ✅ Features tightly twisted wire for enhanced abrasive action, making it ideal for heavy-duty applications such as removing rust, paint, and corrosion from metal surfaces. ❌ Generally has looser wire arrangements, resulting in less effective abrasive action and a reduced ability to tackle tough materials.
RPM Efficiency ✅ Rated for use up to 8,500 RPM, allowing for faster work rates and improved efficiency in professional and DIY settings. ❌ Often has a lower RPM rating, which can slow down the completion of projects and increase user frustration.
Arbor Compatibility ✅ Comes with an M14 x 2 arbor, ensuring compatibility with a wide range of power tools for versatility in different applications. ❌ May have non-standard arbors that limit compatibility with various tools, making it less user-friendly and causing potential issues during use.
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!

Find a Stockist

Trustpilot