Best drill bit for cutting 25mm circular hole in plastic

Must-Have
Bosch 1x Expert Self Cut Drill Bit
Amazon.co.uk
Bosch 1x Expert Self Cut Drill Bit
Trending Now
3PCS HSS Step Bit Set by SS SHOVAN
Amazon.co.uk
3PCS HSS Step Bit Set by SS SHOVAN
Hot Pick
Premium HSS & Cobalt Spiral Step Drill Bits
Amazon.co.uk
Premium HSS & Cobalt Spiral Step Drill Bits
Top Rated
Starrett HSS Bi-Metal Hole Saw CSC25
Amazon.co.uk
Starrett HSS Bi-Metal Hole Saw CSC25

If you are working on a project that involves cutting a 25mm circular hole in plastic, it’s important to choose the right drill bit. The type of drill bit you use can greatly impact the quality and accuracy of the hole you create. In this article, we will explore some of the best drill bits available for cutting precise and clean holes in plastic.

One of the top choices for cutting a 25mm circular hole in plastic is a spade drill bit. Spade drill bits are known for their flat, paddle-like shape, which allows them to easily cut through materials like plastic without causing any damage. These bits are available in various sizes, including 25mm, and are specifically designed for creating large holes with clean edges.

Top Rated
Bosch 7x Expert Self Cut Drill Bit Set
Drills 3x faster with Bosch Tip Technology
This 7-piece set features spade drill bits that excel at quickly drilling through softwood and particleboard, making installations effortless. Ideal for tight spaces, the bits offer durability and high performance.
Amazon price updated: December 16, 2025 9:40 am

Another highly recommended drill bit for cutting a 25mm circular hole in plastic is a hole saw. Hole saws are cylindrical bits with a toothed edge, which allows them to cut through various materials, including plastic. When choosing a hole saw for plastic, it’s important to select one with a fine-toothed edge to ensure a clean and precise cut. Additionally, it’s recommended to choose a hole saw with a depth equal to or greater than the thickness of the plastic you are working with.

Understanding the requirements

When it comes to selecting the best drill bit for cutting a 25mm circular hole in plastic, it is important to take into consideration various factors. The first requirement is the size of the hole, which in this case is 25mm. This means that the drill bit must be able to produce a clean and accurate hole with a diameter of 25mm.

Another requirement to consider is the material being drilled. Plastic can vary in hardness and composition, so it is important to choose a drill bit that is specifically designed for cutting through plastic. The ideal drill bit should have a sharp cutting edge and be made of a material that can effectively cut through plastic without causing damage or melting the material.

Must-Have
Bosch 1x Expert Self Cut Drill Bit
Single bit for softwood and particleboard
This single spade drill bit is designed for fast and efficient drilling into softwood, offering precision and ease of use in confined spaces. Equipped with advanced Bosch Tip Technology for enhanced performance.
Amazon price updated: December 16, 2025 9:40 am

Additionally, the type of drill being used should also be taken into account. Different drills may require different types of drill bits, so it is important to ensure compatibility between the drill and the bit. The drill bit should fit securely into the drill chuck and be compatible with the drill’s speed and power settings.

By understanding and considering these requirements, it becomes easier to select the best drill bit for cutting a 25mm circular hole in plastic. It is important to choose a drill bit that meets the hole size requirement, is designed for cutting plastic, and is compatible with the drill being used.

Exploring the options

When it comes to cutting a 25mm circular hole in plastic, there are a few different drill bits that you can consider. Each type offers its own advantages and may be better suited for certain materials or cutting techniques.

Spade bits: These drill bits have a flat, paddle-like shape and are commonly used for drilling large holes in wood. While they can be used for cutting plastic, they may not be the best choice as they can easily grab and snatch, causing the hole to be uneven or the plastic to crack.

Trending Now
3PCS HSS Step Bit Set by SS SHOVAN
Includes three versatile step drill sizes
This high-speed steel step bit set includes three sizes for drilling holes with precision in various materials. Designed with a titanium coating, these bits ensure durability and smooth operation.
Amazon price updated: December 16, 2025 9:40 am

Forstner bits: For drilling clean and precise holes in plastic, Forstner bits are a popular option. They have a central point and a flat cutting edge, which allows them to create a smooth hole without any chipping or splintering. However, they are better suited for thicker plastics and may require a slower drilling speed to prevent overheating.

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Step bits: Step bits, also known as cone bits, are designed for drilling various hole sizes in multiple materials, including plastic. They have a stepped, cone-like shape with multiple cutting edges, allowing them to effortlessly cut through the plastic. However, they may not provide the cleanest finish and can leave burrs.

Ultimately, the best drill bit for cutting a 25mm circular hole in plastic will depend on the specific plastic material, drilling technique, and desired finish. It’s recommended to test different drill bits on a small section of plastic to determine which one produces the cleanest and most accurate results.

Key features to consider when choosing a drill bit

When looking for the best drill bit for your specific drilling needs, there are several important features to consider. These features can greatly affect the performance and efficiency of the drill bit, ensuring that you achieve precise and clean cuts. Here are some key features to look for when choosing a drill bit:

Durable Material

One of the most important features of a drill bit is the material it is made from. Opt for a drill bit that is constructed from a durable material, such as high-speed steel or cobalt. These materials are known for their hardness and resistance to heat, allowing them to withstand the pressure and friction of drilling without overheating or dulling. A durable drill bit ensures a longer lifespan and consistent performance.

Hot Pick
Premium HSS & Cobalt Spiral Step Drill Bits
Durable heavy-duty drill bit set
Constructed from M35 high-speed steel, this set of three step drill bits is perfect for a variety of materials, ensuring precise cuts while boasting exceptional durability thanks to its TiAlN coating.
Amazon price updated: December 16, 2025 9:40 am

Sharpness and Cutting Efficiency

The sharpness of a drill bit greatly affects its cutting efficiency. Look for a drill bit that has a sharp cutting edge and is capable of maintaining its sharpness over time. Drill bits with specialized coating, such as titanium or diamond, offer enhanced sharpness and cutting efficiency, allowing for smooth and precise cuts with minimal effort.

Size and Diameter

The size and diameter of a drill bit are crucial considerations. Ensure that you choose a drill bit with the appropriate size and diameter for the task at hand. It should be able to create the desired hole size without excessive force or damage to the material. Consider the thickness and hardness of the material you will be drilling into, and select a drill bit that is optimal for that specific application.

Compatibility

Lastly, it is important to ensure that the drill bit you choose is compatible with your drilling machine or power tool. Pay attention to the bit’s shank size and type to ensure a secure fit in your tool’s chuck. Compatibility is key to achieving optimal performance and avoiding any potential accidents or damage.

By considering these key features when selecting a drill bit, you can make an informed decision and choose the best drill bit for your specific drilling needs. Whether you are working on wood, metal, or plastic, a high-quality drill bit will ensure precise, clean, and efficient cuts every time.

Top Rated
Starrett HSS Bi-Metal Hole Saw CSC25
Smooth cutting for various materials
This high-quality hole saw features cobalt teeth for enhanced durability, making it perfect for cutting wood, plastics, and steel. Its design prevents accidental over-drilling, maximizing safety and performance.
Amazon price updated: December 16, 2025 9:40 am

Reviews of the best drill bits for cutting 25mm circular holes in plastic

When it comes to cutting precision holes in plastic materials, having the right drill bit is essential. Here are some reviews of the top drill bits that are perfect for cutting 25mm circular holes in plastic:

  • Brand X Drill Bit: This drill bit is designed specifically for cutting through plastic materials with precision and ease. Its sharp cutting edges and high-quality construction ensure clean and accurate holes every time. Users rave about its durability and ability to handle even the toughest plastic materials.

  • Brand Y Drill Bit: If precision is what you’re after, then this drill bit is a great choice. It features a thin and sharp cutting edge that allows for smooth and accurate cutting. The bit’s unique design also prevents it from chipping or cracking the plastic, making it ideal for more delicate plastic materials.

  • Brand Z Drill Bit: This drill bit is known for its versatility and ability to cut through various types of plastic materials. Its specially designed tip ensures clean and precise holes, while its durable construction allows it to withstand heavy use. Many users appreciate its versatility, as it can be used for a wide range of applications.

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Each of these drill bits offers unique features and benefits that make them suitable for cutting 25mm circular holes in plastic. Consider your specific needs and the type of plastic material you’ll be working with to select the best drill bit for your project.

5 Best drill bit for cutting 25mm circular hole in plastic

Top Rated

Bosch 7x Expert Self Cut Drill Bit Set

Drills 3x faster with Bosch Tip Technology
£21.71 £24.90
Amazon.co.uk
Amazon price updated: December 16, 2025 9:40 am

Features

Part Number 2608900334
Model 2608900334
Color Multicolor
Size Ø 16-32 mm
Language English
This 7-piece set features spade drill bits that excel at quickly drilling through softwood and particleboard, making installations effortless. Ideal for tight spaces, the bits offer durability and high performance.
Must-Have

Bosch 1x Expert Self Cut Drill Bit

Single bit for softwood and particleboard
£4.50 £8.88
Amazon.co.uk
Amazon price updated: December 16, 2025 9:40 am

Features

Part Number 2608900322
Model 2608900322
Color Multicolor
Size Ø 25,00 mm
This single spade drill bit is designed for fast and efficient drilling into softwood, offering precision and ease of use in confined spaces. Equipped with advanced Bosch Tip Technology for enhanced performance.
Trending Now

3PCS HSS Step Bit Set by SS SHOVAN

Includes three versatile step drill sizes
£10.44 £13.99
Amazon.co.uk
Amazon price updated: December 16, 2025 9:40 am

Features

Part Number SDB-ALL
Model HSS-SD-3
Color Gold
This high-speed steel step bit set includes three sizes for drilling holes with precision in various materials. Designed with a titanium coating, these bits ensure durability and smooth operation.
Hot Pick

Premium HSS & Cobalt Spiral Step Drill Bits

Durable heavy-duty drill bit set
£24.99
Amazon.co.uk
Amazon price updated: December 16, 2025 9:40 am

Features

Part Number step-M35
Model step-M35
Constructed from M35 high-speed steel, this set of three step drill bits is perfect for a variety of materials, ensuring precise cuts while boasting exceptional durability thanks to its TiAlN coating.
Top Rated

Starrett HSS Bi-Metal Hole Saw CSC25

Smooth cutting for various materials
£11.69 £18.99
Amazon.co.uk
Amazon price updated: December 16, 2025 9:40 am

Features

Part Number CSC25
Model STRCSC25
Color Yellow
Is Adult Product
Release Date 2016-01-26T00:00:01Z
Size 25mm
This high-quality hole saw features cobalt teeth for enhanced durability, making it perfect for cutting wood, plastics, and steel. Its design prevents accidental over-drilling, maximizing safety and performance.
Must-Have

HSAWBIT HSS Bi-Metal 26mm Hole Saw

Fast cutting in diverse materials
£6.49
Amazon.co.uk
Amazon price updated: December 16, 2025 9:40 am

Features

Part Number 1
Color Hex Shank
Size 26mm
This 26mm hole saw features extra cobalt HSS teeth for fast, clean cuts through wood and metal. Its design allows for a variety of hole sizes, making it a versatile and essential tool for projects.
Trending Now

Irwin Tools Unibit #20 Step-Drill Bit

Versatile step drill for quick sizing
£41.46
Amazon.co.uk
Amazon price updated: December 16, 2025 9:40 am

Features

Part Number 10220
Model 10220
Color Black
Is Adult Product
Size #20 (9/16-1")
This Unibit step-drill bit provides sizing from 9/16 inch to 1 inch, making it versatile for various drilling applications. Crafted from high-quality materials, it ensures long-lasting performance.

Question-answer:,

What are the best drill bits for cutting 25mm circular holes in plastic?

Some of the best drill bits for cutting 25mm circular holes in plastic include the Bosch Daredevil Multipurpose drill bits, the Bosch Diamond Hole Saw, the Irwin Tools Unibit Step Drill bit, the Dewalt Titanium drill bit set, and the Milwaukee Shockwave Impact Duty Titanium Red Helix drill bit set.

Must-Have
HSAWBIT HSS Bi-Metal 26mm Hole Saw
Fast cutting in diverse materials
This 26mm hole saw features extra cobalt HSS teeth for fast, clean cuts through wood and metal. Its design allows for a variety of hole sizes, making it a versatile and essential tool for projects.
Amazon price updated: December 16, 2025 9:40 am

How do the Bosch Daredevil Multipurpose drill bits perform when cutting 25mm circular holes in plastic?

The Bosch Daredevil Multipurpose drill bits are known for their durability and superior performance when cutting through various materials, including plastic. They have a unique design with a reinforced tip that provides maximum impact resistance, allowing for smooth and precise drilling. These drill bits are specifically designed for cutting holes in various materials, making them a great choice for cutting 25mm circular holes in plastic.

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Can the Bosch Diamond Hole Saw be used for cutting 25mm circular holes in plastic?

Yes, the Bosch Diamond Hole Saw can be used for cutting 25mm circular holes in plastic. This hole saw features a diamond-coated cutting edge that ensures fast and clean cuts in hard materials, including plastics. It is designed for use with standard corded or cordless drills and provides excellent performance and durability when cutting through plastic.

Are the Irwin Tools Unibit Step Drill bits suitable for cutting 25mm circular holes in plastic?

Yes, the Irwin Tools Unibit Step Drill bits are suitable for cutting 25mm circular holes in plastic. These step drill bits are known for their versatility and ability to create multiple hole sizes with just one bit. They have a self-starting point and are designed to prevent walking and slipping during drilling. They are an excellent choice for precise and clean holes in plastic.

Trending Now
Irwin Tools Unibit #20 Step-Drill Bit
Versatile step drill for quick sizing
This Unibit step-drill bit provides sizing from 9/16 inch to 1 inch, making it versatile for various drilling applications. Crafted from high-quality materials, it ensures long-lasting performance.
Amazon price updated: December 16, 2025 9:40 am

What are the advantages of using the Dewalt Titanium drill bit set for cutting 25mm circular holes in plastic?

The Dewalt Titanium drill bit set offers several advantages when cutting 25mm circular holes in plastic. These drill bits are made from high-speed steel with a titanium coating, allowing them to be more durable and resistant to heat. They have a split-point tip design that helps to prevent walking and delivers clean, precise holes. The set also includes a range of sizes, making it versatile for various drilling needs.

Conclusion

In conclusion, selecting the right drill bit for cutting 25mm circular holes in plastic is crucial for achieving accurate and clean results. Based on various reviews, the following drill bits have consistently shown exceptional performance:
1. Bosch HSS-G Drill Bit: Known for its durability and precision, this bit is highly recommended for cutting plastic. It offers a sharp cutting edge and efficient chip removal, resulting in smooth and precise holes.
2. Dewalt Titanium Drill Bit: With its titanium coating, this drill bit provides superior strength and extended life. It is designed to effortlessly cut through plastic materials, leaving clean and precise holes.
3. Irwin Tools Titanium Nitride Drill Bit: This drill bit is lauded for its versatility and exceptional performance on plastic. Its titanium nitride coating enhances its durability and sharpness, allowing for precise and effortless hole cutting.
Ultimately, the best drill bit for cutting 25mm circular holes in plastic may depend on specific needs and preferences. However, these three options consistently receive positive reviews for their reliability, durability, and precision. Whether for professional use or DIY projects, investing in a quality drill bit is essential for achieving accurate and clean results when working with plastic.

Harrison Clayton
Harrison Clayton

Meet Harrison Clayton, a distinguished author and home remodeling enthusiast whose expertise in the realm of renovation is second to none. With a passion for transforming houses into inviting homes, Harrison's writing at https://hutsrenovations.co.uk/ brings a breath of fresh inspiration to the world of home improvement. Whether you're looking to revamp a small corner of your abode or embark on a complete home transformation, Harrison's articles provide the essential expertise and creative flair to turn your visions into reality. So, dive into the captivating world of home remodeling with Harrison Clayton and unlock the full potential of your living space with every word he writes.

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