7 Best Drill Bits for Glass of 2021
Glass can prove one of the more difficult areas of any construction project. It’s combines strength, hardness and a variety of quirks into one substance. However, the best drill bits for glass can turn a difficult project into an easy one.
In the following list we’ll compare the best drill bits in 2021. We’ll consider price, prospects for long term use and overall community opinion. We’ll also look at the best features of each bit and possible downsides.
Contents
Popular Drill Bits for Glass - Comparison Table












Top 7 Drill Bits for Glass in Review
7. Eaninno Installer Twist Drill Bit
The Eaninno installer twist drill bit uses tungsten carbide construction. This gives it enhanced ability to deal with glass without shattering or chipping surfaces. It’s also intended for use with a variety of other easily cracked surfaces such as tiles.
Pros
Cons
Verdict
Having bits as versatile as these can bring a lot of advantages. Obviously, their main focus is glass. However, because of their strength, you can also use them to drill other holes in case you don’t have any other bits lying around.

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6. Concord Blades 2-1/2 Inch Laser Welded Diamond Core Drill Bit
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The Concord Blades drill bit offers powerful diamond based construction. This minimizes splintering and debris during the drilling process. It also shows a large and sturdy overall design which provides extra resistance to the environment.
Pros
Cons
Verdict
It ranks among the top drill bits for glass and it performs well there. However, it’s marketed for a far greater range of tasks, and it doesn’t necessarily perform well for those. But as long as you keep it for working on glass, you’ll have no trouble.
5. Driak Cross Head Tungsten Carbide Drill Bit
The Driak cross head tungsten carbide drill bit isn’t made with diamond. But it shows that sometimes construction matters as much as material. It uses four cutting edges for extra precision. And the triangular tip is specially made to perform well with glass.
Pros
Cons
Verdict
The construction of these bits is a marvel of engineering. They provide similar strength to diamond drill bits, and they’re seamless when used to work on glass.
4. Afunta Tungsten Carbide Tip Drill Bit
The Afunta tungsten carbide tip drill bit is another example of quality over material. It ranks up with the diamond constructed tips despite using tungsten carbide. The main difference which ranks it among the perfect drill bits for glass is thanks to a special U-type tip design.
Pros
Cons
Verdict
Quality comes first with these drill bits. Although they require quite a lot of lubrication, they more than make up for it with their design, performance, and low cost.

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3. BQLZR 4mm Diamond Coated Drill Bit
The BQLZR diamond coated drill bit sits in a middle ground between construction types. It uses just enough diamond to increase overall cutting ability. And this makes it perfect for glass. However, it also keeps overall costs down when compared to other diamond centered solutions.
Pros
Cons
Verdict
Coming in at a low price and high performance, these drill bits are massively durable. The strength they provide is quite amazing.
2. JOINER Diamond Glass Drill Bit
These larger diamond based bits are designed to maximize speed. To begin with, they’re designed to reduce overall slippage. It provides an enhanced level of stability when dealing with difficult surfaces such as glass.
Pros
Cons
Verdict
Although it costs a bit more than the competition, you will be pleased with the speed it offers compared to even more expensive models. The fact that it reduces slippage and offers so much precision is truly powerful.
1. Dr. Meter’s Diamond Drill Bit
This bit uses an innovative design that incorporates diamond sand. This also helps to provide a higher level of anti-slip assistance. It’s even designed to help newcomers with normally trick angles. Finally, three drain holes and two chip removal gaps ensure it works well with normally debris heavy surfaces.
Pros
Cons
Verdict
These bits offer as much performance as one could ask for. They might not necessarily be good for many surfaces, but for glass they are definitely on top of everything else.

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Conclusion
The final ranking for best drill bits for glass goes to Dr. Meter’s Diamond Drill Bit. However, there’s more to a tool than simply owning it. And the metrics are far from absolute. As such, there’s a lot one might gain from talking about personal experiences.
Sharing real world usage of any of these options can prove very helpful to others. And it might even help one come up with new ideas for using the bits in different ways.
Note: You may also be interested in learning about the best drill bits for porcelain if you’re working with other difficult materials.