20mm (25/32 inch) BI-METAL HOLESAW
20mm (25/32 inch) BI-METAL HOLESAW

20mm Bi-Metal Holesaw

£3.49

Tax included

The Amtech Bi-Metal Holesaws are reliable and versatile cutting tools ranging from a 16mm to 152mm diameter. Suitable for a wide range of materials including wood, plastic and metal sheets. With a cutting depth of 39mm, they deliver precise and efficient cuts, making it ideal for both trade and DIY projects. The holesaws are made from high-quality M35 high-speed steel (HSS), providing excellent durability and heat resistance, ensuring long-lasting performance even under tough conditions with 4-6 TPI (teeth per inch). They offer great flexibility and ease of use and are compatible with most drills when used with our Amtech Hex Arbours (14-30mm and/or 32-152mm).

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Description How to Use Warranty

20mm (25/32 inch) BI-METAL HOLESAW

The Amtech Bi-Metal Holesaw is an essential tool for both professionals and DIY enthusiasts, optimising your cutting tasks with remarkable efficiency. With a diameter of 20mm, this holesaw is designed to tackle various materials including wood, plastic, and metal sheets, making it a versatile choice for any project. It offers a cutting depth of 39mm, ensuring precise and clean cuts every time.

Crafted from premium M35 high-speed steel (HSS), the Amtech holesaw boasts exceptional durability and heat resistance, providing reliable performance even in the most demanding conditions. Featuring 4-6 teeth per inch (TPI), it strikes the perfect balance between cutting speed and finish quality. Additionally, its compatibility with most drills when paired with Amtech Hex Arbours (14-30mm and/or 32-152mm) makes it incredibly user-friendly.

- 🔩 Versatile cutting for wood, plastic, and metal
- 🔥 Durable M35 HSS construction for long-lasting use
- ⚙️ Easy compatibility with most drills to enhance your toolkit

🔹 How to Use

🔹 Step 1: Attach the holesaw to the Amtech Hex Arbor and secure it tightly in your drill.
🔹 Step 2: Mark the drilling point on the material surface for accurate centring.
🔹 Step 3: Position the holesaw at the marked point and begin drilling at a low speed, gradually increasing as needed.
🔹 Step 4: Once the cut is complete, carefully remove the holesaw and clean any debris from the area.

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?

🔧 Ideal for DIY enthusiasts and professionals looking for a versatile cutting solution for:

- Drilling clean holes in wood for furniture assembly or DIY projects.

- Creating precise openings in plastic for piping or electrical installations.

- Cutting through metal sheets for repairs or custom fabrication.

- Performing maintenance tasks in industrial settings where durability is essential.

⚠️ Limitations to consider:

- Not suitable for very thick materials where a more powerful tool like a drill press would be more effective.

- May struggle with heavy-duty applications, such as cutting through reinforced metal or thicker steel plates, where industrial hole saws would excel.

How This Tool Makes Your Job Easier

How This Tool Makes Your Job Easier

🙂 Versatile Cutting Options: This Amtech Bi-Metal Holesaw allows you to tackle various projects with different material thicknesses effortlessly. Whether you're working on wood, plastic, or metal sheets, this tool is versatile enough to meet your needs.

🙂 Durable Performance: Crafted from high-quality M35 high-speed steel, this holesaw boasts excellent durability and heat resistance. This means it can withstand tough conditions, giving you peace of mind that it will perform well, even during challenging jobs.

🙂 Efficient Cutting Depth: With a cutting depth of 39mm, this holesaw ensures precise and efficient cuts every time. This depth is ideal for creating clean holes without the need for multiple passes, saving you time and effort on your projects.

🙂 User-Friendly Compatibility: This holesaw is designed to work seamlessly with most drills when paired with an Amtech Hex Arbour. This compatibility makes it easy to switch tools and enhances your overall workflow, enabling you to accomplish tasks with minimal hassle.

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How We Compare

Feature ✅ 20mm Bi-Metal Holesaw ❌ Other
Material Compatibility ✅ Effectively cuts through a wide range of materials including wood, plastic, and metal sheets, making it versatile for various DIY and professional applications. ❌ Often limited to softer materials like wood and plastics, which restricts its usability in more demanding tasks.
Durability ✅ Crafted from high-quality M35 high-speed steel (HSS) for exceptional heat resistance and durability, ensuring reliable long-term performance even in tough environments. ❌ Typically made from lower-quality materials that may dull quickly and are prone to breakage during heavy use, resulting in frequent replacements.
Precision Cutting ✅ Features a cutting depth of 39mm and 4-6 TPI for precise, clean cuts, minimising effort and material waste during projects. ❌ Often lacks sufficient TPI, which can lead to rough edges and inefficient cuts, requiring additional finishing work and time.
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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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