If you are a DIYer or professional craftsperson working with fiberglass, you must admit that a hole saw is one of the must-have tools in your arsenal. With this tool, you can easily drill holes of different depths and for different purposes. The type of your project will also depend on the drill bit that you have.
So, if you are looking for the best hole saw for fiberglass, this article is meant for you.
We shall be reviewing 7 of the top hole saws that are suitable for fiberglass to help you ease your shopping journey.
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So, which is the best hole saw for cutting fiberglass?
Let’s find that out.
7 Best Hole Saw for Fiberglass
When choosing the right hole saw for your fiberglass projects, can be challenging. We understand that, and that is why we reduced the search to 7 models that you should consider buying.
1. Drill Bit Hole Saw 10-Piece Set.
Key-features.
- Alloy steel material
- Diamond coating
- 1-1/8-inch cut depth
- 3/8-inch standard shank
- 10 pieces from ¼-inch to 2 inches
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What We Loved
- Laser marking for clear and durable size marks
- Offers 10 pieces for multiple uses
- Tough and long-lasting steel drill bits
- Diamond coating for durability and top performance
- Features side openings for waste removal
What Could Be Better
- They don’t drill deep enough
Overview
This diamond hole saw for fiberglass is the perfect choice if you are looking for a great value option. It is also a well-performing unit that is fast and easy to use. Its affordability is another factor that you must take note of.
Thanks to the 10 drilling bits that range from ¼-inch to 2 inches, you can be sure of using the drill saw on fiberglass, block jars, bottles, tiles, and other popular materials. It is not only a versatile model but also highly durable. Thanks to its granular diamond coating, you will be confident of using a rust-free, and super-sharp bit for your projects.
We also loved the side flute-like opening, which allows you to clean away waste and keep the drill bit clean.
Just keep in mind that the drill bit can produce a burning smell if you use it with excessive pressure or at a high speed. To solve this, just add water as you drill to prevent cracking or overheating.
Verdict
With this diamond hole saw, you can be sure of having a good-value unit that will handle multiple projects with ease as well as serve you for a long time. Just don’t expect it to drill deep.
2. Hole Pro X-305 Twin Blade Adjustable Hole Saw Cutter.
Key-features.
- Infinite adjustment 1-7/8-inch to 12 inches
- Tough 14-inch OD ABS shield
- 1-1/8-inch cutting depth
- Adjustable hole cutter
- Ball-bearing mounted ABS shield
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What We Loved
- The tension knob controls depth to prevent accidentally cutting cables
- Lightweight design for carrying it around with ease
- High-quality material for durability
- Adjustable twin-blade for flexibility
- 14-inch shield offers clear visibility and traps the mess for easy clean-up
- Comes with a sturdy carrying case
What Could Be Better
- Requires a lot of practice to cut a perfect hole
- The blade jams too often
Overview
This is a unique hole saw that is designed to work with smooth cutting and speed. it features balanced twin blades, which help in the fast and smooth cutting.
Besides that, this hole saw can be used to make holes on plaster ceilings for recessed lighting. It can easily be cut without the need for applying excess pressure. You just have to apply the needed pressure to maintain the blades in contact with the plaster.
Another feature to love about this saw is the transparent shield, which is robust to trap dust and clippings. The shield also ensures that the hole cutter remains perpendicular to the working surface. It will stay in that position even when you’re holding the drill with one hand cutting upside down and the other supporting the drill.
This fiberglass hole saw comes with a tension knob that lets you control the cutting depth. The control knob will prevent you from cutting wires on walls or ceilings accidentally.
Verdict
If you need the best hole saw for plastic and to cut different hole sizes, this model would be the perfect pick for you.
3. Diamond 10-Piece Hollow Core Drill Bit.
Key-features.
- Diamond-coated core
- High-speed steel material
- 10-piece set
- 0.32 ounces weight
- Hollow design
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What We Loved
- Lightweight design for easy portability
- Highly durable and rust-resistant
- Easy to use
- Works perfectly on glass
- Can be used for a long time continuously
What Could Be Better
- The larger diameter drills don’t deliver so well
- The bits get dull too quickly
Overview
This diamond drill bit set from Baban offers you 10 pieces of between 6mm and 32mm. With them, you’ll confidently remove a perfect circle. They are the best pick if you will be working on fiberglass or ceramic.
Thanks to the high-quality material of the bits, you can enjoy using them to make clean and accurate holes.
Coming with a hollow design, this bit allows water to flow up and inside freely to reduce overheating. There’s also a large hole on the side of the bits to get rid of debris effortlessly.
The diamond coating doesn’t only prevent corrosion and rust, but it also offers high-precision smooth cut on materials. However, it’s recommended to keep the drill at low speed and use plenty of water lubrication for efficiency,
Ideally, start drilling diagonally, then hold it straight. This will help to keep the drill sharp for a long time.
Verdict
So, who should go for this drill set? We consider this the best drill bit for a fiberglass boat, and it delivers incredibly. Just keep in mind that it gets dull too quickly. If that’s not a big deal, you’ll enjoy working with this set.
4. Diamond Drill Bit Hole Saw 15-Pc Set for Glass.
Key-features.
- Industrial grade carbon-steel material
- 15-piece set
- Nickel-plated coated body
13.05oz weight
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What We Loved
- Easy to use
- Super-sharp head
- Best suited for stained glass
- Good price
- 15 pieces offer flexibility
What Could Be Better
- It doesn’t come with a case
- Not suitable for amateurs
- Cannot drill deeper than 0.5-inches
Overview
This unit set can also be considered the best hole saw bit for fiberglass, but only for glasses or other materials that are not too tough. For example, the drill bits won’t perform so well on concrete.
But with the industrial-grade carbon steel material, the drill bit will serve you for a long time with ease. Even better, it comes with a nickel-plated coating that is meant to resist corrosion and make the bits more efficient. Plus, it helps to cut fiberglass holes smoothly.
The diamond grit will scrape tiny particles off the surface of the material, which is what will assure you of a smooth and precise finish. In other words, you can use this hole saw to drill holes in the most fragile surfaces.
Whether you need to make a small or large hole on your fiberglass pool or boat, this saw will let you do that with ease. It comes with 15 pieces for you to choose what suits your project needs.
Verdict
If you pick this as your best hole saw for a fiberglass boat, it will serve you well, just keep in mind that it cannot drill beyond 0.2-inches depths. But its performance is decent enough.
5. Drill Bits Set Glass Drill Bit Extractor.
Key-features.
- 15 pieces drill bits ranging from ¼-inch to 2 inches.
- Carbon steel material
- Nickel-plated body
- 13.4 ounces weight
- Large clearance hole
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What We Loved
- Thickened diamond coating for strength and maximum drilling outcomes
- Sturdy and highly durable
- Super sharp
- Comes in 15 pieces for wide use
- Easy to use
What Could Be Better
- It can damage or crack material when working at a high speed
- Doesn’t come with a case
- Can break when using them on tiles
Overview
If you consider this the best hole saw for plastic, we wouldn’t judge. It comes with different drill bits to let you make holes of different sizes with ease.
When working with this drill bit, you can worry less about it heating up. The carbon steel material doesn’t absorb heat, and it comes with a nickel-plated coating that makes it rust-resistant. This also lets you clean it with absolute ease.
It does an amazing job on a gel coat, and it won’t create any pressure on the material. So yes, this hole saw can drill smoothly without cracking fiber.
You can dig deep into holes at variable speed modes, but it is recommended to work with speeds of between 800RPM and 1,000RPM. Regardless of the speed, you apply, this drill set will cool immediately after you have finished drilling.
Verdict
This is one of the best hole saw bits for fiberglass, and you’ll love it if you value extreme sharpness in a drill bit. The 15 pieces also assure you of versatility in application. But it’s not the best pick for tough materials.
6. Uxcell 85mm Diamond Coated Glass Hole Saw Drill Bits.
Key-features.
- Nickel-plated surface
- 5.5-inch drill size
- 0.4-inch drilling diameter
- 1000RPM speed
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What We Loved
- Offers precise and efficient cutting
- Side opening for easy debris removal
- Decent cutting diameter
- Easy to change and use
What Could Be Better
- It doesn’t come with a pilot bit
- It won’t last for long after several cuts
Overview
We would consider this the best hole saw for a fiberglass shower, especially if you need a cheap saw to serve you for a few holes. It won’t last for long, but it sure will serve you perfectly during the short time you will be using it.
The saw comes with specially dotted edges, which will enhance its sharpness. It also helps to make the saw more efficient. The coating and nickel plating on the hole saw surface betters the corrosion resistance.
No more debris buildup as the hole saw comes with side openings that let the dust and chips get out easily. Preferably, use this saw at speeds of between 800RPM and 1000RPM. It works best in controlled heat. So, you can also add cooling fluids or use water when drilling to keep it cool.
This Uxcell diamond hole saw can make holes in fiberglass, block jars, marble, and more. Ideally, start drilling holes diagonally, create a rounded trace, then hold the drill straight. This will offer you excellent results and will maintain the saw’s sharpness.
Verdict
This would make a good hole saw to use at home or for your other minor DIY projects. It may not be the best pick for high-demanding projects.
7. Acrux7 15-Pc Diamond Hole Saw Cutter Kit.
Key-features.
- 11.3oz weight
- 15 pieces kit
- Alloy steel material electroplated with nickel
- Diamond sand cutter blade bonds
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What We Loved
- 15 pieces for flexibility
- Perfectly corrosion resistant
- Super sharp to make holes quickly
What Could Be Better
- Not quite durable
- They get dull too quickly
- Requires some skills to make perfect holes in glass
Overview
Our final product is this diamond hole saw kit from Acrux. We listed it as the last one because we don’t think it’s the best pick for handling high demanding jobs.
Yes, it is made of high-quality alloy steel, which is sturdy, but it won’t remain strong after several uses. On the bright side, the nickel electroplating keeps the bits corrosion resistant. Also, it helps the drill to cut holes smoothly on surfaces.
You get 15 pieces with this unit, which should be enough to handle multiple holes of different sizes. The bits come with diamond sand cutter blade bonds. With these bonds, you will enjoy having sharp and efficient cuts in a matter of seconds. But the sharpness won’t last for too long, especially if you use the drill bits oftentimes.
The large hole on the side of the bits eliminates debris while allowing water to pass through. So, you’ll have a clean surface as well as regulate heat buildup with this hole saw.
Verdict
If you need a fine tooth hole saw for fiberglass, this hole saw will work easily for you. It can serve you for your minor project but don’t go for this model if you are a professional with high-demanding projects.
Buying Guide: Factors You Need to Consider
So, now you have an idea of the best glass hole saws on the market. Which of them would you go for? If none of the listed products meets your project needs and personal preference, worry not. We will highlight some of the things you should look out for in a hole saw before buying.
Material
The material of the hole saw is the most vital aspect that affects its performance. When the material is strong, it can easily handle hard fiberglass with ease. Ideally, go for tungsten-carbide or carbon/alloy steel.
Design
The design will let you make holes smoothly with limited damage. We recommend a hollow design as it will allow water to flow with ease to keep the saw cool. Choosing one with an adjustable blade design will offer clean cuts while offering clear visibility.
Coating
A coated drill bit will resist corrosion while making them sharp and more efficient. Choose one with nickel-plated coatings for corrosion resistance or diamond coating for sharp and efficient cuts.
Sizes
The drill bits will come in different sizes, but generally, they will range between ¼inch and 2 inches. You can also find adjustable fiberglass hole saws that let you choose the right size for your projects.
Other Factors
You should also choose a hole saw that will serve you for a long time, so it should be highly durable. Also, consider going for a hole saw that is easy to use.
Watch the vHow to drill a hole in fiberglass, using a hole saw
FAQs
Q. What kind of drill bit for fiberglass?
Ans. A good drill bit for a fiberglass boat, you should go for one with a small size. Ideally, you will only need a drill bit that can make a hole of 3mm diameter or smaller. But if you’re working on multiple fiberglass projects, go for different sizes that are made of high-quality steel and large clearance holes.
Q. How to cut a hole in fiberglass
Ans. When cutting a hole in fiberglass, you need to take enough time and cut at low speeds and without forcing it. Ensure that you mark the circle and the center before you start drilling your hole.
Q. How to drill fiberglass without cracking
Ans. Start by making a groove with a sharp knife where you will drill a hole, then make a small pilot hole using a smaller drill bit. After that, use a bigger drill bit to make the needed hole. Make sure the final hole is made with a sharp and clean drill and without putting any pressure on it.
Q. How many Types of hole saws are There
Ans. There are five major types of hole saws, which include
- Hole saws for wood
- Hole saws for metal
- Hole saws for glass
- Hole saws for tile
- Hole saws for concrete.
Choose the right hole saw for your project.
Final Words
There goes it. You now have an idea of which is the best hole saw for fiberglass. Whichever hole saw you prefer to go for, ensure that you use it wisely and follow the necessary safety precautions. As a general rule of thumb, do not apply pressure when drilling holes. Also, drill at low speeds.