Ever tried to drill a hole in metal and ended up with a dull bit, a warped piece of metal, or just a lot of frustration? It’s a common problem! Choosing the right drill bit for metal can feel like navigating a maze. You want a clean, precise hole, but often you get jagged edges, overheated bits, or the bit just slips and slides.
This can be a real headache, whether you’re a DIYer working on a home project or a professional on a tight deadline. The wrong bit can waste your time, damage your materials, and even be dangerous. But don’t worry, we’re here to help you cut through the confusion!
By the end of this post, you’ll understand the different types of drill bits for metal and how to pick the perfect one for your specific job. We’ll guide you through the key features to look for, so you can achieve smooth, accurate holes every time. Get ready to drill like a pro!
Our Top 5 Bit For Drilling Metal Recommendations at a Glance
| Image | Product | Rating | Links |
|---|---|---|---|
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DEWALT Drill Bit Set | 9.3/10 | Check Price |
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NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel & Hard Metals | 9.3/10 | Check Price |
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ZELCAN 10 Sizes Titanium Step Drill Bit | 9.1/10 | Check Price |
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STROTON Cobalt Drill Bit Set (1/16-1/4 Inch | 8.9/10 | Check Price |
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Aleric Step Drill Bit Set – Titanium Coated | 8.7/10 | Check Price |
Top 5 Bit For Drilling Metal Detailed Reviews
1. DEWALT Drill Bit Set
Rating: 8.5/10
Tackle any drilling job with the DEWALT Drill Bit Set. This 14-piece set is built tough for wood, plastic, and metal. It includes everything you need for various projects.
What We Like:
- The 135-degree split point tip keeps the drill bit from sliding around. This means cleaner holes and less frustration.
- These bits are made of High Speed Steel. This material is strong and works on many different materials.
- The tapered web design makes the bits super strong. They are less likely to break, even under pressure.
- A black and gold coating protects the bits from rust and wear. They will last a long time.
- Sizes bigger than 3/16-inch have a 3-flats shank. This stops the bit from slipping in the drill chuck.
- You can quickly find the size you need. Each bit has clear size markings on the shank.
What Could Be Improved:
- The set does not include very large drill bit sizes. For bigger holes, you might need to buy separate bits.
- While durable, the bits can still get dull with very heavy use over time.
This DEWALT drill bit set offers excellent performance and durability. It’s a reliable choice for both DIYers and pros.
2. NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel & Hard Metals
Rating: 9.0/10
Tackling tough metal projects just got easier with the NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set. This set is designed for drilling into stubborn materials like stainless steel and other hard metals. The short, “stubby” design means you can reach tricky spots where regular drill bits can’t go. Plus, the quick-change hex shank makes switching bits a breeze with your impact driver or drill.
What We Like:
- Made from M35 Cobalt steel for extra strength and a long life.
- Stubby size (1.84 to 2.32 inches) fits into tight spaces.
- 135° split point tip starts holes easily and prevents slipping.
- Works well on stainless steel, cast iron, titanium, and aluminum.
- 1/4″ hex shank fits most drills and impact drivers.
- Comes with popular SAE sizes: 3/32″, 1/8″, 3/16″, 1/4″, and 5/16″.
- Special storage case keeps bits organized and labeled.
- Case has a clip for hanging on a pegboard.
What Could Be Improved:
- The set only includes 5 common sizes, so you might need other bits for different jobs.
This NordWolf drill bit set is a solid choice for anyone who frequently works with hard metals. It offers durability and convenience for those challenging drilling tasks.
3. ZELCAN 10 Sizes Titanium Step Drill Bit
Rating: 9.5/10
The ZELCAN 10 Sizes Titanium Step Drill Bit set is your go-to tool for making clean, precise holes in a variety of materials. This set includes ten different sizes, from 1/4 inch up to 1-3/8 inches, giving you the flexibility to tackle many projects. Made from high-speed steel with a titanium coating, these drill bits are built to last and cut through materials like sheet metal, plastic, and wood with ease. They even automatically deburr holes as they drill, keeping your work area tidy.
What We Like:
- Durable construction with high-speed steel and a titanium coating means it lasts a long time.
- The titanium coating helps it resist heat, corrosion, and rust.
- It cuts easily through iron sheets, aluminum sheets, copper, plastic, and wood boards.
- The revolutionary design has a tri-flatted shank that won’t slip in your drill.
- The two-flute design clears out chips quickly, making drilling faster and cleaner.
- It automatically deburrs holes, saving you an extra step.
- Comes with 10 different step sizes for many different hole needs.
- It’s a must-have for anyone who does home repairs or light professional jobs.
What Could Be Improved:
- This drill bit set is not recommended for harder metals like steel.
This ZELCAN step drill bit set is an excellent addition to any toolbox, especially for DIY enthusiasts and electricians. Its versatility and durable design make it a reliable tool for many common tasks.
4. STROTON Cobalt Drill Bit Set (1/16-1/4 Inch
Rating: 8.7/10
Tired of drill bits that quit before the job is done? The STROTON Cobalt Drill Bit Set (1/16-1/4 Inch, 13PCS) is here to power through your toughest projects. Made with real 5% cobalt steel, these M35 high-speed steel bits are designed for serious work. They can handle stainless steel, hard metal, cast iron, plastic, and wood like a champ. This set includes 13 jobber-length bits, from 1/16 inch to 1/4 inch, with 1/64 inch increments. You get a wide range of sizes to tackle almost any drilling task.
What We Like:
- Built with premium, true 5% cobalt steel for superior heat, wear, and chip resistance.
- The split point design and fully ground process make them ideal for tough materials like stainless steel and cast iron.
- These bits can drill up to 3 times faster, saving you time and effort.
- They boast a 3X longer tool life, meaning fewer replacements and a lower cost per hole.
- The sharp drill bit edge cuts through hardened metal efficiently, unlike dull bits.
- Includes a comprehensive range of 13 sizes from 1/16 to 1/4 inch.
What Could Be Improved:
- The higher quality materials come with a slightly higher price tag.
If you need drill bits that perform reliably on hard materials, this STROTON set is a worthwhile investment. They offer exceptional durability and cutting power for demanding jobs.
5. Aleric Step Drill Bit Set – Titanium Coated
Rating: 9.4/10
Tired of swapping drill bits for every new hole size? The Aleric Step Drill Bit Set is your all-in-one solution! This 3-piece set, made from tough high-speed steel with a titanium coating, is designed to tackle a variety of materials like plastic, aluminum, wood, and even some metals. Whether you’re a seasoned DIYer or just starting out, these bits make creating clean, precise holes a breeze.
What We Like:
- Built tough with high-speed steel and titanium coating for long-lasting use.
- Double cutting blades ensure faster, smoother, and more accurate drilling.
- The tri-flatted shank provides a secure grip in your drill, preventing slippage.
- Offers a wide range of hole sizes (28 in total across the 3 bits) for ultimate versatility.
- Perfect for home projects and general building tasks.
- Comes with a satisfaction guarantee for a risk-free purchase.
What Could Be Improved:
- While it handles many materials, very hard metals might require specialized bits.
- The set includes 3 common sizes, so very specific or unusual sizes might not be covered.
This Aleric Step Drill Bit Set is a fantastic tool for any DIY enthusiast looking for efficiency and precision. It’s a smart investment that simplifies many drilling tasks.
Drill Bits for Metal: Your Essential Buying Guide
Picking the right drill bit for metal can make your project a breeze or a frustrating mess. This guide helps you find the perfect bit for your metal drilling needs.
Key Features to Look For
When you shop for metal drill bits, keep these important features in mind:
- Point Type: This is how the bit starts drilling.
- Split Point: These bits start drilling right where you place them. They don’t “walk” or slide around. This is great for accuracy.
- Conical Point: These are common and work well for general metal drilling.
- Flute Design: Flutes are the spiral grooves on the bit.
- Deep Flutes: These help clear out metal shavings as you drill. This keeps the bit from getting too hot and makes drilling easier.
- Shallow Flutes: These are better for drilling harder metals because they offer more support.
- Shank Type: The shank is the part that goes into your drill.
- Round Shank: The most common type.
- Hex Shank: This type grips better in your drill chuck, preventing slipping.
Important Materials
The metal your drill bit is made from makes a big difference in how well it drills and how long it lasts.
- High-Speed Steel (HSS): This is a very common and affordable material. HSS bits are good for drilling softer metals like aluminum and mild steel.
- Cobalt Steel: These bits are stronger and tougher than HSS. They can handle harder metals like stainless steel and cast iron. Cobalt is a good choice for tough jobs.
- Carbide: Carbide bits are the hardest and most durable. They are best for very hard metals and for drilling many holes. They are also the most expensive.
Factors That Improve or Reduce Quality
Several things affect how good a drill bit performs.
- Coatings: Some bits have special coatings that make them better.
- Titanium Nitride (TiN): This gold-colored coating makes bits harder and reduces friction. This means they can drill faster and last longer.
- Black Oxide: This coating adds some hardness and helps prevent rust. It’s a good, basic coating for general use.
- Manufacturing Precision: Bits made with good precision will drill cleaner holes and last longer. Look for bits that look well-made with smooth edges.
- Heat Treatment: Proper heat treatment makes the metal in the bit strong and durable. Poor heat treatment can make a bit brittle or soft.
User Experience and Use Cases
How you use your drill bit and what you’re drilling matters a lot.
- Beginner Projects: For simple DIY tasks around the house, like hanging shelves or fixing things, a good HSS bit with a split point is usually perfect. You won’t need anything too fancy.
- Automotive Work: When working on cars, you’ll often drill into steel. A cobalt bit is a solid choice here because it can handle the tougher metal.
- Metal Fabrication: If you’re building or repairing metal structures, you might need to drill through thicker or harder metals. Carbide bits might be necessary for these heavy-duty jobs.
- Drilling Speed and Pressure: Always start with a slower drill speed for metal. Use steady, even pressure. Let the bit do the work. Too much speed or pressure can overheat and damage the bit. Using a cutting fluid or oil also helps keep the bit cool and makes drilling smoother.
Frequently Asked Questions (FAQ)
Q: What is the best type of drill bit for general metal drilling?
A: For most general metal drilling, a High-Speed Steel (HSS) bit with a split point is a great choice. It’s affordable and works well on common metals.
Q: Should I use a special bit for stainless steel?
A: Yes, stainless steel is harder. Cobalt steel drill bits are recommended for drilling stainless steel because they are tougher and can handle the heat better.
Q: How do I prevent my drill bit from breaking?
A: Use the right bit for the metal, drill at the correct speed, apply steady pressure, and use cutting fluid to keep the bit cool. Don’t force the bit.
Q: What does a split point on a drill bit do?
A: A split point helps the bit start drilling exactly where you want it. It stops the bit from “walking” or sliding across the metal surface.
Q: Are titanium-coated bits worth the extra cost?
A: Often, yes. Titanium nitride (TiN) coatings make bits harder, last longer, and drill faster by reducing friction. They are good for demanding jobs.
Q: How do I clean metal shavings after drilling?
A: You can use a brush, compressed air, or a vacuum cleaner to remove metal shavings. Always wear safety glasses to protect your eyes.
Q: Can I use a wood drill bit to drill metal?
A: No, you should not use wood drill bits for metal. They are not designed for the hardness of metal and will likely break or become dull very quickly.
Q: What is the purpose of the spiral grooves (flutes) on a drill bit?
A: The flutes help remove metal chips and dust from the hole as you drill. This keeps the bit from getting too hot and makes drilling easier.
Q: How do I know when my drill bit is dull?
A: A dull bit will make a squealing noise, require more force to drill, and create rougher holes. It might also produce a lot of heat.
Q: What is the difference between HSS and Cobalt drill bits?
A: HSS (High-Speed Steel) bits are good for softer metals. Cobalt bits have cobalt added, making them harder and better for drilling tougher metals like stainless steel.
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!