Thinking of tackling that aluminum project you’ve been putting off for years?

Well, good news! You’re about to shatter the barriers between yourself and the mountains of aluminum projects you never realized you could do.

Aluminum is a great material to labor, but it can be challenging to drill into. It’s soft and malleable, requiring special care and the right tools. This post will discuss the best drill bits for drilling Aluminum and provide some tips for ensuring a successful project!

In fact, It is one of the most widely used metals to make car parts, roofing material, etc.

However, we all need to drill holes in things now and then at home—whether it’s drilling a hole to hang a painting or drilling holes in a sheet of Aluminum to form an air duct, the latter being one of the most common uses of drilling.

The material you use while drilling a hole is just as important as the process that allows you to drill it.

That’s why using the best drill bits for Aluminum is an absolute must.

In fact, there are many drill bits to choose from when drilling through Aluminum. Therefore, To be able to pick the correct one is not always so easy. Also, the best drill bits for drilling Aluminum can vary depending on the situation.

Though Aluminum is a soft metal and can be drilled without special tools, it must be done carefully.

Therefore, before drilling a hole into a piece of Aluminum, make sure that you have the right drill bit to complete the job.

When it comes to drilling through Aluminum, there are certain steps you should take to ensure optimal performance and no problems. In this guide, you’ll find some of the best drill bits for drilling aluminum and the step-by-step guide on how to drill through aluminum without any damage.

In addition, if you haven’t bought any drill machine yet or looking for some cheap and powerful drill machines to do the drilling tasks, check out our review for the best and cheap drill machines under $100 to do the task perfectly.

How to drill through Aluminum

Aluminum is a strong and versatile metal that can be shaped into an endless array of products. It is easy to form, cut, and weld.

The metal is often used for building large structures such as bridges, office buildings, floors, and walls.

The main reason Aluminum is widely used in the construction industry is that it is cost-effective, available, and easy to work with.

Aluminum is also finding its way into the automotive industry in a big way. It’s not just the car bodies being made with Aluminum — the engine blocks are made of Aluminum.

The manufacture of engines requires drilling holes to make various connections.

If you’re new to drilling Aluminum, it can be tricky to start with.

That said, drilling aluminum is not as difficult as it may seem.

You need to know the right steps to take and the correct drill bits for the type of material you’re working with.

Keep scrolling to learn how to drill Aluminum in 5 easy steps. Follow the procedure given below.

step 1: Choose a suitable drill bit

First, make sure you choose the right drill bit. Drill bits can be found in various sizes and shapes and are made of various materials. For high-quality Aluminum, you’ll want to choose a carbide-tipped drill bit. For low-quality or thin Aluminum, use a titanium-coated drill bit instead. The most traditional drill bit is a twist drill with a spiral flute to clear chips from the hole as when drilling.

In general, they’re best for drilling metal, plastic and wood. HSS or high-speed steel drill bits are best for metal, while carbide tips are best for drilling through metal and concrete.

step2: Choose the correct drilling speed

The next step is to choose the correct drilling speed for the bit. This depends on the drill bit you’ve chosen; carbide tips require a slower speed while titanium needs a faster one. Once you’ve chosen a speed, reduce the pressure to avoid overheating the material (especially with carbide bits) and use a lubricant.

Set the drill speed to match the type of bit you’re using. If it’s a high-speed steel bit, drill at 100 to 400 RPM. If it’s a carbide bit, drill at 500 to 700 RPM.

step 3: Lubrication

Lubrication is important for keeping a low temperature to reduce the friction between the metal and drill bit. It’ll keep the temperature low so the heat won’t backlog.

step 4: Safety

Keep a safe distance between you and the drill machine; wear eye protection to avoid any mishaps.

Now that you know how to drill in Aluminum let’s explore which drill bits you should choose to do the task perfectly.

What do you need to drill through Aluminum? You need the right type of bit. Five drill bits work well on Aluminum: HSS drill bits with an oxide coating; basic HSS drill bits; cobalt-tipped drill bits; twist drill bits; and step drill bits. Let’s have a squint at each type of bit in more detail so you can determine which one will best suit your needs.

Which Drill bits to choose for drilling Aluminum

1. HSS drill bits with oxide coating

These are the most popular drill bits for drilling holes in Aluminum. They are sharp, affordable, and readily available at any hardware shop. They have a split point tip that makes them self-center and prevents the bit from wandering when you begin to drill. Their helical flutes allow easier and faster chip removal. The downside is they aren’t made of cobalt or carbide, so they dull quite quickly.

2. Basic HSS drill bits

These are similar to HSS drill bits with an oxide coating, except they lack the oxide coating, making them more prone to heat and friction damage when drilling Aluminum. They are also not self-centering, so they require an exact center alignment before drilling; otherwise, they will wander around the surface.

3. Drill bits with cobalt tips

These are the toughest drill bits on this list. They can stand firm against high temperatures without getting damaged and cut through harder materials like stainless steel and cast iron but at a slower rate than other kinds of drill bits here. Even though they are quite expensive, cobalt-tipped drills are worth it if you’re working on thick sheets of Aluminum that require a lot of drilling or care about extra durability for your tools!

4. Twist drill bits

Twist drill bits are the most standardized type, and they do a fine job on Aluminum. They’re also cheap, so they’re ideal if you’re starting out and need to get your hands on some bits as soon as possible.

The twist drill is a traditional drill bit. It has fluted sides and a tapered point, so it can be used to make round holes in various materials. It’s very easy to see how this type of bit could be used to make a hole in Aluminum–the flutes would pull the material out of the way as the bit was pushed into it (drilling) or pulled out (counter-sinking).

5. Step drill bits

Step drill bits are a little higher-priced than twist drill bits, but they’re worth it if you have the cash to spare. They do a great job of getting through Aluminum and other metals and will make your life way easier if you plan on doing a lot of metal drilling.

These bits consist of one piece of metal (usually steel) that has been shaped so that it has multiple diameters along its length. This type of bit has multiple cutting surfaces, each of which gets progressively larger as you go around the circumference of the bit itself. This type of bit can easily be used to make holes of different sizes in one go, without needing to change bits between holes (which can potentially damage the material being drilled). You’ll still need some lubricant when using these, though, so keep an eye on your progress!

Best Drill bit set for drilling aluminum; comparison table

DEWALT Drill Bit Set

DEWALT Drill Bit Set

  • Size: 14.09 ounce
  • Material: Titanium Nitride coated
  • Pcs per set: 14 drill bits
  • storage Case: plastic box with clear lid
CO-Z 5pcs Hss Cobalt Step Drill Bit Set

CO-Z 5pcs Hss Cobalt Step Drill Bit Set

  • Size: 1.14 pounds
  • Material: high-speed steel with titanium finish
  • Tool flute type: spiral
  • Storage case: well organized in storage case
Bosch Power Tools Drill Kit

Bosch Power Tools Drill Kit

  • Size: 1.1 pounds
  • Material: Metal coated Titanium
  • pcs per set: 21 drill bits per set
  • storage box: clear-lid, durable storage box
Drill America - D/A29J-CO-PC 29 Piece M42 Cobalt Drill Bit Set

Drill America – D/A29J-CO-PC 29 Piece M42 Cobalt Drill Bit Set

  • Size: 2.2 pounds
  • Material: cobalt with gold oxide finish
  • shank: round
  • storage box: beautifully designed round carrying box
YIYITOOLS Titanium Twist Drill Bit Set 

YIYITOOLS Titanium Twist Drill Bit Set 

  • Size: 15.02 ounce
  • Material: stainless steel with titanium
  • shank: round
  • storage box: convenient carrying box

1. DEWALT DW1354 14-Piece Titanium Drill Bit Set, Yellow

Top Pick


  • HSS drill bit with titanium nitride coating
  • pilot-point tip for making burr-free holes
  • 5-times more durable than conventional drill bits
  • Optimize storage space of DEWALT drill bits for wood, metal, and plastic with the innovative Clip-and-Go system.
  • The set comes with a clear lid so you can easily see your contents at glance.
  • It also has a patented bit-bar design that makes it easy to remove and customize the placement of the bits while they are in the storage case.
  • A removable separator allows added flexibility to arrange bits as needed.

The Dewalt Drill is best for its life span and durability. Dewalt’s 14-piece drill bit set is equipped with a patented bit-bar design that allows you to remove bits and customize placement easily. This drill bit set includes a variety of sizes that can be used for metal, wood, and plastic. The clip latch secures this DEWALT drill bit set in place so you can transport it with ease. After you’ve organized all of your loose drill bits into the tough case that fits inside Small Bulk Storage size to keep all loose drill bits together, add other Dewalt products (sold separately) into the tough case that fits inside this DEWALT Compact Tough Case plus for maximum organization possibilities.

The titanium coating on these drill bits makes them last twice as long as any other drill bits on the market. And thanks to titanium’s lack of corrosion, you can drill holes in aluminum without unwanted damage. In addition, DEWALT’s patented pilot point bit tip provides a burr-free. Faster, cleaner holes that help reduce bit walking.

Why Dewalt Titanium bits are good for drilling aluminum

These high-quality drill bits are designed to cut through any material with ease. Each bit has a patented web taper that extends the life of the drill bit and reduces the friction that causes other drill bits to wear out quickly. The tips are coated with a proprietary lubricant that allows them to cut faster and prevent the bit from getting stuck in the drilled material. The drill bits can be used on metal, wood, and plastic.
These DEWALT® patented web taper drill bits and PILOT POINT™ tip drills will help you achieve professional results.

What I didn’t I like about Dewalt titanium drill bits?

The drill bit quality is not good enough, and these can be easily twisted with little to no force. Also, the drill bits are not properly heated. That’s why it’s easy to break or bend. Moreover, a few can have trouble removing the bits from the case if they do not follow the instructions given on the backside of the case.

2. CO-Z 5pcs Hss Cobalt Step Drill Bit Set with Aluminum Case

Top Pick


  • Cobalt steel drill bit with titanium coating
  • 5pcs drill bits compatible with different sized shanks
  • non-walking tip ensures smooth drilling
  • center-punch for precise marking before drilling
  • well-organized storage case, easy to carry anywhere.

The CO-Z 5pcs Hss Cobalt Step Drill Bit Set with Aluminum Case is made from high-quality HSS cobalt steel, which gives them a durable and long-lasting performance. This drill bit set has five different types of drills with the best shape and design. The set of step bits is available in three sizes: 3/16, 1/4, and 5/16 inches. Both the 1/4-inch and 3/8-inch shanks are compatible with most power drills

These bits have sharp cutting teeth, making it easy to cut through metal sheets and other hard materials easily. Each bit has two flutes with spiral grooves that remove chips and debris easily without clogging up the hole. This keeps your work area clean and safe.

In addition, their new double-cutting blade makes for faster drilling, so less time is spent trying to get through the material. Also, the shanks are made from tungsten carbide, so they can be used without spinning, which helps provide greater control when driving the drill bit through the material. Besides that, These bits come with an aluminum case that protects them while transporting these tools and storing them in.

Why CO – Z Cobalt step drill bits are good for drilling aluminum

You may find other drill bit sets that are cheaper, but they will not be as durable. They will tend to bend and break with use. The CO-Z Drill Bit Set comes in hard enough to make hard-material holes. Its double-cutting blade is what makes it so durable. It also has no spin shanks, which means the shank of the drill bit won’t spin while you’re drilling. Moreover, It comes with an aluminum case for easy storage and quick access when you need it next.

What I didn’t I like about CO – Z Cobalt step drill bits?

The CO-Z Hss cobalt step drill bit set is a great tool for drilling holes on sheet metals with a thickness of ½ inches or less. It’s also ideal for working with plastic, wood, Aluminum, and stainless steel. These bits tend to wear out after some time because of the sharp edges, which dull faster due to increased fraction.

3. BOSCH TI21A Titanium Drill Bit Set (21 Piece)

Top Pick


  • smooth drilling with an anti-slip tip
  • titanium coated drills,2 times longer life-span as compared to other drill bits
  • The three-flat shank is good for gripping bits larger than 3/16-inch.
  • Bosch Titanium-Coated Metal Drill Bits can be used in a variety of applications, including HVAC and facility maintenance, contracting, and general-purpose drilling in high-carbon steel, light gauge metal, wood, and plastic.

The BOSCH TI21A Titanium Drill Bit Set (21-Piece) incorporates convenience, durability, and superior performance into one sleek and flexible set. The 21-piece set features 12 different sizes with a titanium coating to reduce friction and improve durability, up to twice that of traditional high-speed steel bits. This sturdy set is designed for HVAC or facility maintenance technicians, contractors, and other pros who need solid, reliable bits for general-application drilling in high-carbon steel and light gauge metal and wood and plastic.

This set includes an assortment of solid titanium, double-flute high-speed steel, black oxide, and cobalt drill bits in popular diameters. The universal design allows you to use them in various applications.

Each drill bit is made from titanium-coated steel and features three flats on the shank that provide extra grip and strength, while the no-skate tip ensures accuracy and eliminates chatter.

These drill bits are made from super-hard titanium for up to two times longer than high-speed steel bits. The universal drill point is designed for all drilling applications, from general-purpose to heavy-duty repetitive drilling in high-carbon steel and light gauge metal.

Why Bosch drill bits are good for drilling aluminum

This durable kit’s tough, titanium-coated drill bits can handle two to 12 times the workload of standard high-speed steel drill bits. Moreover, the Flute length and diameter and the style of the bit deliver smooth and fast cuts through wood, metal, plastic, and other material. The slightly longer length of the drill bits over single-sized bits provides extra torque to help users achieve a clean cut.

What I didn’t I like about Bosch drill bits?

The bits are in a brittle plastic case that is difficult to open and very bulky. Labels for the bits are hard to read even with the aid of a magnifying glass, and they are not even marked in contrasting colors. Really, the design is ridiculous.

4. Drill America 29 Piece M42 Cobalt Drill Bit Set in Round Case

Top Pick


  • a perfect choice when you’re drilling high-strength, hard materials like stainless steel, Inconel, and titanium. Cobalt is also known for its resistance to corrosion which keeps it from rusting.
  • excellent wear protection with a gold oxide finish.
  • The round shank fits into a variety of tool holders.
  • Drill America cobalt steel drill bits are more durable than high-speed steel, and they maintain their durability in hot drilling environments.

You can’t get any more professional than this. This Drill America 29-piece M42 Cobalt Drill Bit Set offers you a full range of sizes from 1/16 to 1/2 INCH in both metric and standard increments for your most demanding drilling jobs. And keep them sharp with our proprietary Cobalt Drill Sharpener—a must-have for any serious craftsman or DIYer. Chances are, you’ll never take these off your belt.

You’ll think you’ve won the lottery when you get this 29-piece M42 Cobalt Drill Bit Set in Round Case. Featuring 29 sizes of m42 Cobalt Drill Bits, this set takes care of all your drilling needs, allowing you to complete jobs faster than ever before. And if the unthinkable happens and you break a drill bit, take comfort in knowing that these bits are made from cobalt steel for extended tool life compared to high-speed steel drill bits. For added versatility, this set comes with a round shank that allows use with a wide variety of tool holding systems. Get yours today and start drilling like it’s nobodies business!

Why Drill America Cobalt drill bits are good for drilling aluminum

They are the perfect size for any project or need and are great for drilling tough materials like Inconel, Titanium, and stainless steel. What makes these high-performance drills special is their gold oxide finish which acts as a lubricant and provides wear resistance as well as allows high speeds up to 30% greater than with conventional M2 high-speed steel drills. No more wondering how many drill bits you forgot – this awesome case holds all 29 of them! Drill on my friends!

What I didn’t I like about Drill America Cobalt drill bits?

The drill bits may dull out after quite some time which is a bit disappointing.

5. YIYITOOLS Titanium Twist Drill Bit Set 21 Piece Fit

Top Pick


  • A versatile collection of 21 drill bits best for any screwdriver or drill machine.
  • titanium coated drills,2 times longer life-span as compared to other drill bits
  • The bits maintain a secure connection for minimal drops. Zero wobbling
  • Durable and sturdy enough to handle daily use—even in the long run—the YIYITools drill bit set is made using stainless steel that’s designed to last. Corrosion-resistant, easy to maintain, and a breeze to organize, this set will keep your workspace tidy and your projects on track. The titanium coating can extend the life by 5 times.

The YIYITOOLS 21 in 1 High-Speed Diamond Drill Bit Set is the perfect tool for your next home project. This complete set makes it easy to drill through multiple types of surfaces, from metal to concrete, without leaving behind a mess. These bits can be used either with a cord or an electric drill, which means you can use them for all kinds of projects around your home or office. Quality Construction, Secure Hold & Quick Release Design – These durable and heavy-duty drill bits feature a quick release design, which allows you to replace the bits at any time quickly – Made using stainless steel and heavy-duty materials that are resistant to rust and corrosion while featuring a secure hold – The quick-release design allows you to add and remove these drill bits without any hassles easily – For stability, this set of drill bits features a special design on the shank where you can easily add more weight if needed. It comes in handy when dealing with harder materials such as concrete – Easy-to-use: It comes with a storage case that can easily slide up a drill bit group to adjust their placement while keeping them safely in place to make sure they are ready whenever used.

Why YIYITOOLS Titanium Twist Drill Bit are good for drilling aluminum

These drill bits are made from high-quality metal that can last for many years. They cover a wide range of sizes, from small to large. Each bit is embossed with its size, so you always know what it is, and the case is small and pretty sturdy. You should take a look at this set of bits. It includes every size you might need and is of excellent quality.

What I didn’t I like about YIYITOOLS Titanium Twist drill bits?

Some drill bits are hard to pull out of the holder because of the tight fit. But I guess it’s absolutely fine, so your bits could fit inside tightly during transportation.


Is there a special drill bit for Aluminum?

It depends on what you’re trying to accomplish. If you need a hole for the conduit, then you’ll probably want a TiN HSS twist drill because these bits are sharper and harder. For Aluminum, a regular HSS (high-speed steel) drill bit should work; however, If you plan to make this a long-term or frequent project, you may want to invest in a carbide drill bit. This is an important consideration if you have a rigid setup and are drilling holes that are more than 1/4 of an inch wide.

Can I use the regular drill for Aluminum?

A normal drill bit should be fine for drilling into Aluminum. However, Carbide bits will last longer if you have a rigid setup, but they are more expensive. You do not need to use a special drill bit for Aluminum.

Can you drill Aluminum with a hand drill?

You can use any type of drill to drill into metal, but it’s important to consider your method. You can use a handheld drill if you’re drilling a small hole. However, if your project is larger and more complex, an electric drill or a drill press may be recommended for safety reasons.
A quick tutorial on how to drill into Aluminum. First, you’ll want to make sure your bit is sharp and rust-free. If it’s not, spray it down with WD-40 or another lubricant to help it last longer. Punch a hole in the metal’s surface where you want to make your first cut. It can be as small as an inch in diameter. Then use your drill to punch through the metal from the outside in. Once you’ve drilled a hole through, use the same hole to start drilling from the inside out, rotating your bit so that you don’t overheat one side…..

Can I use the regular drill for Aluminum?

You’re not just limited to using a regular drill on metals; you can use a simple cordless drill to do the job. But there are some things you should know before embarking on a drilling project. When drilling into metals, always make sure to use a lubricant such as WD-40 or other oil. This will keep your drill bit from overheating and getting ruined. However, if you find that your lubrication is drying up while the drill bit is still in the metal, remove it and drill another hole to get the necessary amount of lubricant again.

Drilling aluminum speeds and feeds

If you are drilling a hole in Aluminum, you will want to drill at high speed. Two factors influence the speed of drilling – material and feed rate. Aluminum can be drilled at high speeds while still taking deep cuts, so you need to ensure your drill bit is sharp so as not to cause any tear-out. In tapping, the feed rate is specified by the pitch of the tap but typically will run as much as 70% faster than a cut thread tap in steel.

Best drill point angle for Aluminum

Drill holes in the Aluminum at an angle of 118° will suit you best. This will help eliminate the spiral of debris that would otherwise accumulate on your floor.