Ever tried to drill a hole in metal, only to have your drill bit skate around and make a mess? It’s frustrating, right? Choosing the correct metal cutting drill bit can be a real headache. There are so many types, sizes, and materials to consider. This can make a simple project turn into a time-consuming and expensive ordeal.
Picking the wrong drill bit can ruin your project. You might end up with a crooked hole, a damaged workpiece, or a broken drill bit. This guide is here to help. We’ll break down the world of metal cutting drill bits. We’ll explain the different types and how to choose the best one for your needs. You’ll learn how to pick the right size, material, and tip angle to get the job done right.
By reading this, you’ll become a metal-drilling pro. You will learn how to select the perfect drill bit for any metal project. You’ll also understand how to use them safely and effectively. Get ready to say goodbye to frustrating drilling experiences and hello to clean, precise holes! Let’s dive in and explore the best drill bits for cutting metal.
Our Top 5 Metal Cutting Drill Bits Recommendations at a Glance
Top 5 Metal Cutting Drill Bits Detailed Reviews
1. DEWALT Titanium Nitride Coated Drill Bit Set
Rating: 9.2/10
The DEWALT Titanium Nitride Coated Drill Bit Set (DW1361) is a 21-piece set of drill bits. These bits are made for drilling into wood, metal, and plastic. They come with a titanium nitride coating. This coating helps the bits last longer. The set includes a range of sizes, from very small to bigger sizes. These drill bits have a pilot point, so they start drilling where you want them to. The set comes in a tough plastic case for storage.
What We Like:
- Titanium nitride coating makes the bits last longer.
- Pilot point starts drilling right away.
- No spin shanks keep the bits secure in the drill.
- Tapered web design helps reduce breaking.
- Includes a wide variety of sizes for different jobs.
- Comes in a tough plastic case for easy storage and transport.
What Could Be Improved:
- The case could be more durable.
The DEWALT drill bit set is a good choice for many projects. The set offers a variety of sizes and features that help you get the job done. You will be able to use these bits for a long time.
2. DEWALT Drill Bit Set
Rating: 8.7/10
The DEWALT Drill Bit Set (DWA1184) is a 14-piece set. It is designed for drilling into plastic, wood, and metal. These drill bits have a special split point tip. This helps the bits start drilling without walking. The set is good for many different projects.
What We Like:
- The 135-degree split point tip helps prevent the drill bit from wandering.
- These drill bits are made of High Speed Steel. You can use them on plastic, wood, and metal.
- A tapered web design makes the bits strong. They are less likely to break.
- The black and gold coating helps prevent rust. It also helps with wear and tear.
- The 3-flat shank helps keep the bit from spinning in the drill chuck.
- Size markings are on the drill bit shank. This makes it easy to find the right size.
What Could Be Improved:
- No cons at this time.
This DEWALT drill bit set is a good choice for many different jobs. It is a useful set for both beginners and experienced users.
3. IRONANT Step Drill Bits
Rating: 9.3/10
The IRONANT Step Drill Bit Set is a handy tool for anyone who likes to do projects. This set has five drill bits. Each bit has multiple sizes, giving you a total of 50 different hole sizes! These bits are made of strong high-speed steel and are coated with titanium. This makes them sharp and long-lasting. They are perfect for drilling into plastic, aluminum, and sheet metal. The set also comes with a nice aluminum case to keep everything organized.
What We Like:
- The titanium coating makes the bits very sharp and durable.
- The 118° split point tip helps the bit start drilling easily and prevents it from sliding.
- The dual-flute design helps remove chips quickly.
- You get 50 different sizes with just 5 bits, which is very versatile.
- The included case keeps the bits organized and easy to find.
What Could Be Improved:
- These bits are not for use with stainless steel or wood.
Overall, the IRONANT Step Drill Bit Set is a great buy for anyone who needs to drill holes in plastic, aluminum, or sheet metal. This set is a useful addition to any toolbox.
4. BOSCH CO14B 14-Piece Assorted Set with Included Case – Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel
Rating: 9.0/10
The BOSCH CO14B is a 14-piece drill bit set. It is built for tough materials. These bits are made of Cobalt M42, which is strong. They can drill through stainless steel, cast iron, titanium, and light-gauge metal. The set comes with a case to keep the bits organized. This set is great for anyone who needs to drill into hard surfaces.
What We Like:
- The M42 Cobalt drill bits are durable. They last a long time.
- These bits are made to handle high heat.
- The set includes a variety of sizes. You will have the size you need.
- They can drill through tough materials like stainless steel.
- The thick web-helix design provides stability.
- The surface-hardened tip makes it easy to get started.
What Could Be Improved:
- Some users may find the price is too high.
The BOSCH CO14B drill bit set is a solid choice for anyone working with tough metals. These bits are designed to handle the job. If you need a reliable drill bit set, this is a good option.
5. DEWALT Drill Bit Set
Rating: 8.8/10
The DEWALT Drill Bit Set (DWA1181) is a 21-piece set. These drill bits work great for many materials. You can use them on metal, wood, and plastic. They have a black oxide coating. This coating helps the bits last longer. The bits also have a special split point tip. This tip helps the bit start drilling where you want it to.
What We Like:
- The set works for many materials. You can drill into metal, wood, and plastic.
- The black oxide coating makes the bits strong. They resist corrosion.
- The split-point tip stops the bit from moving around. It drills where you want it to.
- The helix design helps with deep holes.
- The parabolic flute design makes it easier to remove chips from the holes.
What Could Be Improved:
- Some users may need more specialized bits.
This DEWALT drill bit set is a good choice for many jobs. It is a useful set for both beginners and experienced users. This set will help you get your projects done.
Metal Cutting Drill Bits: Your Guide to Drilling Success
Buying the right drill bit can be tricky. This guide helps you find the best metal cutting drill bits. You will learn what to look for. This will make your projects easier.
Key Features to Look For
You need to know what makes a good metal cutting drill bit. Here are some important things:
1. Material
The drill bit material matters. You need a strong material to cut metal. High-speed steel (HSS) is a common choice. It is tough and works well. Cobalt drill bits are even stronger. They can handle harder metals. Carbide-tipped bits are the toughest. They are great for very hard materials.
2. Size and Type
Drill bits come in many sizes. You need the right size for your project. Measure the hole you need. Then, choose the correct drill bit size. There are different types of bits. Twist drill bits are the most common. Step drill bits make different sized holes. They are useful for sheet metal.
3. Point Angle
The point angle is the angle of the tip. A 118-degree angle is standard. It works well for most metals. For harder metals, a 135-degree angle is better. It helps the bit stay centered and prevents walking.
4. Coating
Some drill bits have a coating. Coatings improve performance. Titanium nitride (TiN) coating makes the bit harder. It also reduces friction. This helps the bit last longer. Black oxide coatings offer some corrosion resistance.
Important Materials
The metal the drill bit is made from is very important.
1. High-Speed Steel (HSS)
HSS is a popular choice. It is a good balance of price and performance. HSS bits are good for general metalwork.
2. Cobalt
Cobalt bits are stronger than HSS. They handle higher temperatures. You can use them on harder metals like stainless steel.
3. Carbide
Carbide bits are very hard. They are used for very hard metals. They are more expensive.
Factors That Improve or Reduce Quality
Some things make a drill bit better or worse.
1. Heat Treatment
Heat treatment hardens the metal. A well-treated bit will be more durable. It will last longer. Look for bits that have been properly heat-treated.
2. Sharpness
A sharp drill bit cuts better. Check the tip for sharpness. A dull bit will be hard to use. It might also damage the metal.
3. Brand Reputation
Good brands often make better quality bits. Research brands before you buy. Read reviews to see what other people say.
User Experience and Use Cases
How does the drill bit work in real life? Here’s what to expect.
1. Easy to Use
A good drill bit will cut smoothly. It will not wander. It will make a clean hole. User experience is important for efficiency.
2. Common Use Cases
Metal cutting drill bits are used for many tasks. You can drill holes in metal plates. You can use them for automotive repairs. They are also helpful for construction projects. They are used in many DIY projects.
Metal Cutting Drill Bits: Frequently Asked Questions
Q: What is HSS?
A: HSS stands for High-Speed Steel. It is a common material for drill bits.
Q: What is the best drill bit for stainless steel?
A: Cobalt or carbide drill bits are best for stainless steel.
Q: How do I know what size drill bit to use?
A: Measure the hole you need. Then, choose the bit size that matches. Check the drill bit’s size markings.
Q: What is a point angle?
A: The point angle is the angle of the drill bit’s tip. It impacts how the bit cuts.
Q: What is a coating for?
A: Coatings improve performance. They reduce friction and heat. They can also increase the drill bit’s life.
Q: How do I drill a hole in metal?
A: First, mark the spot. Then, center the drill bit. Start slowly. Increase the speed as needed. Use cutting oil for lubrication.
Q: What is a step drill bit?
A: A step drill bit makes different sized holes. It is useful for sheet metal.
Q: Why is my drill bit not cutting?
A: The bit might be dull. The speed might be too slow. You might need to use cutting oil.
Q: How do I make a hole without the bit “walking”?
A: Use a center punch to make a starting point. Use a drill bit with a 135-degree point angle. Start slowly.
Q: How do I care for my drill bits?
A: Keep them clean and dry. Store them in a safe place. Sharpen them when needed.
In conclusion, every product has unique features and benefits. We hope this review helps you decide if it meets your needs. An informed choice ensures the best experience.
If you have any questions or feedback, please share them in the comments. Your input helps everyone. Thank you for reading.

Hi, I’m Tom Scalisi, and welcome to The Saw Blog! I started this blog to share my hands-on experience and insights about woodworking tools—especially saws and saw blades. Over the years, I’ve had the chance to work with a wide range of tools, and I’m here to help both professionals and hobbyists make informed decisions when it comes to selecting and using their equipment. Whether you’re looking for in-depth reviews, tips, or just advice on how to get the best performance out of your tools, you’ll find it here. I’m excited to be part of your woodworking journey!