5 Best Drill Bits for Aluminum
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Dewalt Drill Bit Set DW1354
Titanium Pilot Point
Tapered Web Provides Greater Durability To Reduce Breaking
No Spin Shanks
Comoware Titanium Twist Drill Bit Set
HSS Titanium Coating
For Metal/Wood/Plastic Countersink
2 Flutes Form
Neiko 10194A Titanium Step Drill Bit
Titanium | High Speed Steel
For Plastic, Aluminum, Copper And Other Sheet Metal
135° Split Point Tip
CO-Z Hss Cobalt Multiple Hole
Smoother And Rounder Holes
Drills Holes Of Various Sizes Without Changing Bits
High Speed Steel
Bosch CO2143 Cobalt Drill Bit
Withstands Up To 1,100 ° F
4X The Lifespan Of Standard Metal Drill Bits
Rigid, Thick Web Design

Choose the Best Drill Bit for Aluminum

Customer’s Choice: the Best Rated Drill Bits for Aluminum

94 users answered this survey. Please help us improve this review!

63.83% of users selected Dewalt Drill Bit Set DW1354, 5.32% selected Comoware Titanium Twist Drill Bit Set, 3.19% selected Neiko 10194A Titanium Step Drill Bit, 8.51% selected CO-Z Hss Cobalt Multiple Hole and 19.15% selected Bosch CO2143 Cobalt Drill Bit. Every month we analyze your answers and change our rating.

Drilling through aluminum can be a challenge because the aluminum is soft and tends to clog up the drill bit. That’s why it’s important to use the right type of Drill Bits for Aluminum. The good news is that there are several Drill Bits for Aluminum on the market specifically designed to make the process easier. This article will take a look at some of the best Drill Bits for Aluminum and provide helpful tips on how to use them. It will also review some of the most popular products on the market so that you can find the right bit for your needs.

Table of Contents

DEWALT 14-Piece Drill Bit Set, Yellow

Dewalt is known for making high-quality tools that can tackle any project. The DEWALT 14-piece drill bit set offers great performance and durability, making it perfect for DIYers or professionals alike!

This comprehensive set comes with 14 titanium nitride coated drill bits, ideal for drilling through wood, metal and plastic. Plus, the accessory storage system with clear lid and clip latch for secure closing makes it easy to keep your bits organized and ready for action.

The patented bit-bar design and web taper increase the rigidity of the bit for more precision and improved results. And because the bits are designed to produce clear, burr-free holes, you’ll get professional-looking results every time. Whether you’re a DIYer or a professional contractor, this drill bit set is a must-have for your toolkit.

Pros
  • 14 titanium nitride coated drill bits;
  • accessory storage system with a clear lid;
  • comes with clip latch for secure closing;
  • with patented bit-bar design;
  • patented web taper to increase the rigidity of the bit;
  • ideal for wood, metal and plastic;
  • produces clear, burr-free holes;
  • can be used with drill devices with a standard chuck.

Cons
  • not clearly marked;
  • not enough practical magnetic screw holders.


COMOWARE 13-Pcs Titanium Twist Drill Bit Set

This 13-piece titanium twist drill bit set is perfect for handling just about any material you can imagine. It will give your projects a professional touch with its top quality and durability, so don’t miss out on these awesome bits!

Made of high-speed steel and with a titanium coating, these bits are designed for speed, precision and durability. They can be used on wood, plastic and aluminum alloy, and features size indexing for quick and easy reference.

The close-up locking system ensures accuracy while the quick-change chuck makes for fast and easy bit changes. Plus, the entire set is hardened and honed for a sharp, long lasting cutting edge. So, whether you’re a professional contractor or a do-it-yourselfer, this is the perfect drill bit set for your needs!

Pros
  • made of high-speed steel;
  • can be used for wood, plastic, aluminum alloy;
  • with size index;
  • withstands higher torque transmission;
  • suitable for Home DIY and general building/engineering use;
  • chatter-free design with staggered cutting teeth;
  • with HSS titanium coating;
  • ensures the precise countersinking and hole smooth clean;
  • fit impact driver;
  • decreases friction and heat for a faster, cooler drilling process;
  • with a close-up lock;
  • quick change chuck;
  • hardened and honed for sharpness cutting edge.

Cons
  • not for soft steel;
  • comes without a holder.


Neiko Titanium Step Drill Bit, 10 Step Sizes

The Neiko Titanium Step Drill Bit is the perfect bit for drilling through various materials. It features an extra-long shank and its construction that can handle high temperatures, making it ideal when working with plastic, steel and aluminum!

Made of high-speed steel and titanium-coated for added durability, this bit is designed for versatile drilling in steel, stainless steel, copper, and aluminum. It features a 2-flute design for increased cutting speed, and the 3-flat shank provides added stability when drilling.

Plus, the 135-degree cutting angle allows you to drill with less pressure for more precise holes. Whether you’re starting new holes or enlarging existing ones, the Neiko Titanium Step Drill Bit is an excellent choice for a wide range of applications.

Pros
  • made of high-speed steel;
  • titanium-coated bit with 2-flute design;
  • added durability and bit life;
  • cutting angle string 135 degrees;
  • 3-flat shank;
  • increased cutting speed;
  • for versatile drilling in steel, stainless steel, copper, aluminum;
  • drills with a small amount of pressure;
  • doesn’t cause slippage when drilling new holes or enlarging existing holes;
  • multiple drill sizes with one bit.

Cons
  • not for removing burring from EMT conduit;
  • can get hot while drilling.


CO-Z Step Drill Bits Set, 5 pieces, 50 sizes

The CO-Z Step Drill Bit Set is a great choice for anyone who needs to drill different sized holes in a variety of materials. Made of cobalt high-speed steel and finished with titanium, these bits are extremely durable and up to the task of even the most challenging projects.

The spiral tool flute type and non-walking drill tip provide fast, smooth drilling action, while the dual grooves quickly remove chips and other swarf. The bits can be used on steel sheets, aluminum sheets, wood board, and plastic board, and each level is clearly marked with laser engraving for easy identification.

The different-sized shanks make it easy to choose the right bit for the job, and the well-organized case keeps everything neat and tidy. With this handy set on hand, you’ll be able to tackle any drilling project that comes your way.

Pros
  • made of cobalt high-speed steel;
  • finished with titanium;
  • spiral tool flute type;
  • non-walking drill tip to provide fast and smooth drills;
  • ensures extreme durability;
  • with dual grooves to quickly remove chips and other swarf;
  • can be used for steel sheets, aluminum sheets, wood board, plastic board;
  • each level clearly marked with laser engraving;
  • different-sized shanks;
  • come in a well-organized case for easy transport and storage;
  • can drill different sizes of holes.

Cons
  • not for hard materials;
  • can go dull.


BOSCH CO2143 Cobalt Drill Bit

The Bosch CO2143 Cobalt Drill Bit is the perfect choice for those who need a bit that can handle tough applications. With its cutting angle string of 135 degrees, this drill bit is designed to be incredibly stable, even in tough conditions.

It also features a thick, rigid design that withstands high temperatures for extended periods of time. Additionally, the CO2143 is able to cut through light gauge metal, high carbon steel, aluminum and alloy steel, cast iron and stainless steel with ease. And thanks to its three-flat shank, this drill bit is easy to grip and maneuver.

Plus, the hardened surface helps the CO2143 penetrate even the toughest and most abrasive materials. So, if you’re looking for a heavy-duty drill bit that can handle even the most extreme conditions, then the Bosch CO2143 Cobalt Drill Bit is the perfect choice for you.

Pros
  • cutting angle string of 135 degrees;
  • rigid, thick design for stability to bit in tough applications;
  • withstands high-temperature applications for extended periods;
  • cuts through light gauge metal, high carbon steel, aluminum and alloy steel, cast iron and stainless steel;
  • features a three-flat shank;
  • hardened surface to penetrate tough abrasive materials;
  • for heavy duty drilling in extremely hard or abrasive materials.

Cons
  • not coated;
  • not enough long.


Buyer’s Guide

What are the Best Drill Bits for Metal Made of?

Titanium (Coating) Drill Bit

Titanium is a metal that is known for its corrosion resistance. It is also a very strong metal, which makes it ideal for drill bits. Titanium-coated drill bits are some of the best drill bits for aluminum because they can withstand high temperatures. The titanium coating also helps to prolong the life of the drill bit.

High-Speed Steel (HSS) Drill Bit

High-speed steel drill bits are also good for drilling into aluminum.

HSS is a type of steel that is very strong and can resist high temperatures.

This type of drill bit can maintain a sharp edge for a long time, making it ideal for repetitive drilling.

Cobalt (Steel Blend) Drill Bit

Cobalt drill bits are made of a steel blend that contains cobalt.

Cobalt (Steel Blend) Drill Bit

Cobalt is a metal that is known for its heat resistance. This type of drill bit can withstand high temperatures and is ideal for drilling into hard metals. Additionally, cobalt drill bits are less likely to break than other types of drill bits [1].

How to drill through aluminum?

Choose a suitable drill bit

When it comes to choosing a drill bit for aluminum, there are several things you need to consider. The most important factor is the type of drill bit. Two main types of drill bits can be used for drilling through aluminum:

  • High-speed steel (HSS) drill bits
  • Carbide-tipped drill bits

If you are going to be drilling through aluminum frequently, then it is worth investing in a good quality carbide-tipped drill bit. These drill bits are more expensive than HSS drill bits, but they will last much longer and will make light work of drilling through aluminum.

Choose the correct drilling speed

Another important factor to consider when drilling through aluminum is the speed at which you drill. If you drill too slowly, the heat will build up and cause the drill bit to seize. If you drill too quickly, then the friction will cause the drill bit to overheat and break.

The correct speed for drilling through aluminum is between 1500 and 3000 rpm.

Reduced pressure

When you are ready to start drilling, make sure that you apply a reduced amount of pressure.

Reduced pressure

This will help to prevent the drill bit from overheating and breaking. Start by drilling slowly and increase the speed as you go.

Lubrication

Another good tip for drilling through aluminum is to use a little bit of lubrication. This will help to reduce the amount of friction and will also prevent the drill bit from overheating. A light oil or lubricant can be used for this purpose. To lubricate the drill bit, simply apply a small amount to the tip before you start drilling.

Safety

As with any type of drilling, there is always a risk of injury. Make sure that you take all of the necessary safety precautions before you start drilling. Wear protective eyewear and gloves, and make sure that you are using a properly grounded power outlet [2].

Matters to Be a Concern Before Choosing Your Product

Speed

The speed at which your drill bit turns is an important factor to consider when choosing the best drill bits for aluminum. If the speed is too high, it can cause the bit to overheat and break. If the speed is too low, it will take longer to drill through the metal. You’ll also want to consider the type of metal you’re drilling. For example, aluminum is a softer metal than steel, so you won’t need to drill as fast.

Shape

The shape of the drill bit is also an important consideration. Drill bits come in a variety of shapes, including straight, spiral, and stepped. The type of metal you’re drilling will dictate the best type of drill bit to use. For example, aluminum is a soft metal, so a straight or spiral drill bit will work best. Stepped drill bits are designed for drilling through harder metals, so they’re not the best choice for aluminum.

Finally, you’ll want to consider the size of the drill bit. Drill bits come in a variety of sizes, from small to large. The size of the drill bit you need will depend on the thickness of the metal you’re drilling. Size also dictates the speed at which you drill. Smaller bits require higher speeds, while larger bits can be drilled at lower speeds. The average size drill bit for aluminum is between 0,125 cm and 0,25 cm.

Coating

The final factor to consider is the coating on the drill bit. Drill bits are coated with a variety of materials, including titanium and cobalt.

Coating

The type of coating you choose will depend on the type of metal you’re drilling. For example, titanium is a good choice for aluminum because it prevents the bit from overheating. Cobalt is a good choice for steel because it resists wear and tear.

Shank Design

The shank is the part of the drill bit that attaches to the drill. Drill bits come in a variety of shank designs, including straight and tapered. The type of shank you need will depend on the type of drill you’re using.

For example, if you’re using a cordless drill, you’ll need a straight shank.

If you’re using a drill press, you’ll need a tapered shank [3].

Comparison of Key Indicators When Buying Drill Bits for Aluminum

When purchasing drill bits for aluminum, it is important to consider several key indicators that can affect the performance and suitability of the drill bits for your specific needs. This table provides a comparison of various indicators to help you make an informed decision when selecting drill bits for working with aluminum materials.

The table below presents a comparison of important indicators to consider when buying drill bits for aluminum. These indicators include the diameter range, material compatibility, coating type, point angle, and shank type. Understanding these indicators will assist you in selecting the most appropriate drill bits for aluminum-based projects.

Indicator Description
Diameter Range The range of drill bit diameters available for drilling aluminum.
Material Compatibility The drill bit’s compatibility with aluminum and other materials.
Coating Type The type of coating applied to the drill bit for enhanced performance and durability.
Point Angle The angle formed by the cutting edges of the drill bit, affecting its drilling efficiency in aluminum.
Shank Type The design of the drill bit’s shank, which determines its compatibility with different drill chucks.

In the table, each indicator is listed in the first column, and its description is provided in the second column. This overview will help you understand the significance of each indicator when evaluating drill bits for aluminum. Consider these factors carefully to ensure you choose the right drill bits that suit your specific aluminum drilling requirements.


FAQ

Is aluminum hard to drill?

Yes, aluminum is a relatively soft metal, which means that it is easy to damage drill bits when drilling through it. That being said, there are certain types of drill bits that are designed specifically for use with aluminum. One such type of drill bit is the carbide-tipped drill bit. Carbide-tipped drill bits are made of a harder material than standard high-speed steel (HSS) drill bits, which makes them ideal for drilling through aluminum.

Is titanium drill bit good for aluminum?

Titanium drill bits are good for aluminum because they are strong and wear-resistant. They can also handle higher temperatures than other types of drill bits.

What is the best speed to drill aluminum?

The best speed to drill aluminum is between 500 and 800 rpm. This will help to prevent the bit from overheating and breaking. You should also use a lubricant when drilling aluminum to help keep the drill bit cool and prevent it from breaking.

Can you use a regular drill bit for aluminum?

No, you cannot use a regular drill bit for aluminum. You need to use a special drill bit that is specifically designed for drilling through aluminum. These drill bits are made out of different materials that can handle the high temperatures that are generated when drilling through aluminum.

Are cobalt or titanium drill bits better?

Cobalt and titanium drill bits are both good choices for drilling through aluminum. Titanium drill bits are more expensive than cobalt drill bits, but they are also more durable and can handle higher temperatures.

How can you drill through thick metal?

Thick metal can be difficult to drill through because it requires more pressure and heat to penetrate. You may need to use a different type of drill bit, such as a carbide-tipped drill bit, or you may need to use a higher speed setting on your drill. You should also make sure that you are using plenty of lubricant to help keep the drill bit cool and prevent it from breaking.

How can I sharpen my drill bits for metal?

You can sharpen your drill bits for metal by using a sharpening stone. First, you will need to find a sharpening stone that is specifically designed for use with drill bits. Next, you will need to position the drill bit so that the cutting edge is facing the sharpening stone. Then, you will need to apply pressure to the drill bit and move it back and forth against the sharpening stone. Finally, you will need to rinse the drill bit off with water and dry it before using it again.

Do I need to clean drill bits after each use?

Yes, you should always clean your drill bits after each use. This will help to prevent the build-up of debris and keep your drill bits in good condition. You can clean your drill bits by using a brush or by rinsing them off with water.

How do I remove a broken drill bit from metal?

If you have a broken drill bit that is stuck in metal, you will need to use a pair of pliers to remove it. First, you will need to grip the end of the drill bit with the pliers. Then, you will need to twist the pliers back and forth until the drill bit comes loose. Finally, you will need to pull the drill bit out of the metal.

Can wood drill bits be used on aluminum?

No, you should not use wood drill bits on aluminum.

Can wood drill bits be used on aluminum?

Wood drill bits are not made to handle the high temperatures that are generated when drilling through aluminum. You should only use drill bits that are specifically designed for use with aluminum.

Is wd40 good for drilling?

No, WD40 is not good for drilling. WD40 is a lubricant and it will actually make the drill bit slip and not grip the metal as well.

How do you drill a hole in aluminum without a drill?

If you don’t have a drill, you can use a sharp object to make a hole in aluminum. First, you will need to find a sharp object that is long enough to reach the depth of the aluminum. Next, you will need to apply pressure to the sharp object and twist it back and forth until it penetrates through the aluminum.

Which shape is better for making holes in aluminum?

There is no one “best” shape for making holes in aluminum. The best drill bit for aluminum will depend on the specific application. For example, if you are drilling through thick metal, you may need to use a different type of drill bit than if you are drilling through thin metal. In general, however, it is important to use a drill bit with a sharp point and plenty of cutting edges.

Are wood and metal drill bits the same?

No, wood and metal drill bits are not the same. Wood drill bits are designed for use with softer materials, such as wood, while metal drill bits are designed for use with harder materials, such as aluminum. Metal drill bits typically have a sharper point and more cutting edges than wood drill bits.

Can I use a Forstner bit on aluminum?

Yes, you can use a Forstner bit on aluminum. Forstner bits are designed for drilling clean, flat-bottomed holes. They are especially good for drilling through metal because they resist walking and skating across the surface of the metal.

Can I use a spade bit on aluminum?

Yes, you can use a spade bit on aluminum. Spade bits are designed for drilling large, flat-bottomed holes. They are especially good for drilling through metal because they have wide cutting edges that resist walking and skating across the surface of the metal.

What home projects can be used the drill bits for?

Several home projects can be completed with drill bits. For example, you can use drill bits to create holes for shelving, picture frames, or curtain rods. You can also use drill bits to enlarge existing holes in walls or doors.

How do you cut aluminum?

Aluminum can be cut with a saw, but it is best to use a drill bit specifically designed for cutting aluminum. These types of drill bits have sharp points and plenty of cutting edges.

Is there anything I should avoid when drilling through aluminum?

When drilling through aluminum, you should avoid using excessive force. This can cause the drill bit to slip and not grip the metal as well. You should also avoid using too much pressure, which can cause the drill bit to break.

What screws should I use for aluminum?

When attaching screws to aluminum, you should use screws that are specifically designed for use with aluminum. These types of screws have sharp points and plenty of cutting edges.

Why is my drill not making a hole?

There are several reasons why your drill might not be making a hole. The first reason is that the drill bit is not long enough to reach the depth of the aluminum. The second reason is that you are not using enough pressure. The third reason is that you are not using a drill bit specifically designed for use with aluminum.

My drill bit is slipping, what can I do?

If your drill bit is slipping, you can try using a different type of drill bit. You can also try using a lubricant, such as WD-40.

What types of drill bits are suitable for drilling aluminum?

When drilling aluminum, it is recommended to use high-speed steel (HSS) drill bits or cobalt drill bits. These types of drill bits are specifically designed to handle the softer nature of aluminum and provide efficient drilling performance.

What is the difference between HSS and cobalt drill bits for drilling aluminum?

HSS drill bits are made from a high-carbon steel material and are suitable for drilling softer materials like aluminum. On the other hand, cobalt drill bits are made from a high-speed steel alloy with added cobalt. They are more durable and can withstand higher drilling temperatures, making them ideal for drilling through aluminum and other harder metals.

Which drill bit size should I use for drilling aluminum?

The drill bit size you should use for drilling aluminum depends on the size of the hole you want to create. It is recommended to start with a smaller pilot hole using a smaller drill bit and gradually increase the size until you reach your desired hole diameter. This gradual approach helps prevent the drill bit from grabbing or wandering on the aluminum surface.

Should I use lubrication or cutting fluid when drilling aluminum?

Using lubrication or cutting fluid when drilling aluminum is not always necessary, as aluminum is a soft metal that generates less heat compared to harder materials. However, if you’re drilling a large number of holes or need to drill through thick aluminum, using a lubricant or cutting fluid can help reduce friction and prolong the life of your drill bit.

How should I set the drilling speed when working with aluminum?

For drilling aluminum, it is generally recommended to use a higher drilling speed. The exact speed will depend on the size of the drill bit and the thickness of the aluminum. As a general guideline, you can set your drill to a higher speed range, typically between 2000 and 3000 RPM, to achieve optimal drilling performance.

Do I need to use a center punch before drilling aluminum?

Using a center punch before drilling aluminum is not always necessary, especially for thinner aluminum sheets or softer aluminum alloys. However, if you’re working with thicker aluminum or harder alloys, using a center punch to create a small indentation at the drilling point can help guide the drill bit and prevent it from wandering.

How can I prevent the drill bit from grabbing or chattering when drilling aluminum?

To prevent the drill bit from grabbing or chattering when drilling aluminum, it’s important to apply steady and consistent pressure while drilling. Start with a smaller pilot hole, use a sharp drill bit, and ensure that the drill is set to a suitable speed. Additionally, using a lubricant or cutting fluid can help reduce friction and enhance the drilling process.

What safety precautions should I take when drilling aluminum?

When drilling aluminum, it is important to wear safety goggles to protect your eyes from flying metal chips. Additionally, it is recommended to secure the aluminum workpiece firmly in place to prevent it from moving during drilling. Using clamps or a vise can help ensure stability and minimize the risk of accidents.

Useful Video: Which Drill Bit Brand is Best? Let’s find out!

Conclusion

This guide has hopefully given you a better understanding of what to look for when choosing the best Drill Bits for Aluminum. If you take into account the discussed factors, such as type of bit, material, and coating, you should be able to find a set that will work well for your needs. The reviewed drill bits are all great options and feature different benefits such as a wide range of sizes, different types of tips, and different coatings. With so many available options, you should be able to find a set of drill bits that will help you get the job done right.


References:

  1. https://www.protoolreviews.com/best-drill-bits-for-metal/
  2. https://www.ttp-hard-drills.net/drilling-aluminum/
  3. https://toolsdoctor.com/best-drill-bits-for-aluminum-reviewed/

Hello! I'm a James Miller, and I'm an expert in materials science. I learned different metal properties in the New Jersey Institute of Technology, and I know everything about all kinds of metal. That's why I want to share my experience with you.

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