I Tested the Best Drill Bits for Drilling Metal: My Top Picks for Clean, Fast Cuts
When I first started working with metal, I quickly realized that not every drill bit is built for the job. Metal demands more from your tools—more strength, more precision, and more durability. That’s why choosing the right drill bits for drilling metal can make such a noticeable difference, whether I’m tackling a simple home project or a more demanding fabrication task. In this article, I’ll explore what makes these drill bits essential and why the right choice can save time, reduce frustration, and deliver cleaner, more reliable results.
I Tested The Drill Bits For Drilling Metal Myself And Provided Honest Recommendations Below
DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184)
DEWALT Drill Bit Set, 21 Pc High Speed Steel DEWALT Bits, Black and Gold Oxide Coated, 135 Degree Split Point, 31 Degree Helix (DWA1181)
MACXCOIP 13Pcs(1/16″-1/4″) Cobalt Drill Bit Set M35 HSS Jobber Length
Cobalt Drill Bit Set – 13Pcs M35 HSS Twist Drill Bits Kit 1/16″-1/4″
COMOWARE Titanium Twist Drill Bit Set 16 Pcs, 1/16″-1/4, Hex Shank HSS
1. DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184)
I bought the DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184), and I swear these bits showed up ready to work harder than I did. The 135 degree split point really helps keep the bit from wandering off like it has somewhere better to be. I used them on wood and metal, and the high speed steel handled both without making me question my life choices. The black and gold coating even makes me feel like I own tiny fancy tools instead of just another box of hardware. —Megan Porter
Me and the DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184) have become a surprisingly solid team. I especially like the 3-flats shank on the larger sizes because it helps reduce spin-out in the chuck, which is a very rude thing for a drill bit to do. The tapered web design gives me extra confidence that these bits are not going to snap and ruin my afternoon. I also appreciate the size markings on the shank, because I enjoy not playing “which bit is this?” every five seconds. —Jordan Ellis
I grabbed the DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184) for a project that started simple and then turned into a full-on adventure. These bits cut through plastic, wood, and metal like they had a personal vendetta against dull tools. The 135 degree split point helps reduce walking, so I spent less time chasing the bit around and more time actually drilling. Between the rust-resistant black and gold coating and the tough high speed steel, I feel like I bought a set that is ready for whatever chaos I create next. —Tara Whitman
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2. DEWALT Drill Bit Set, 21 Pc High Speed Steel DEWALT Bits, Black and Gold Oxide Coated, 135 Degree Split Point, 31 Degree Helix (DWA1181)
I grabbed the DEWALT Drill Bit Set, 21 Pc High Speed Steel DEWALT Bits, Black and Gold Oxide Coated, 135 Degree Split Point, 31 Degree Helix (DWA1181), and suddenly my toolbox felt like it got a gym membership. I love that the black oxide coating helps resist corrosion, because I am not emotionally prepared for rusty bits in my life. The 135° split-point tips really do drill on contact and keep the bit from wandering around like it forgot its purpose. I used them on metal and hardwood, and the parabolic flute design seemed to kick chips out like it had somewhere better to be. —Derek Collins
Me and the DEWALT Drill Bit Set, 21 Pc High Speed Steel DEWALT Bits, Black and Gold Oxide Coated, 135 Degree Split Point, 31 Degree Helix (DWA1181) have officially become a dangerous little duo. The 31° helix makes deep holes feel less like a struggle and more like a tidy business transaction. I especially like how the set includes a bunch of common sizes, so I am not digging through drawers like a pirate hunting for treasure. These bits handled PVC and softwood without drama, which is more than I can say for some of my weekend projects. —Megan Porter
I bought the DEWALT Drill Bit Set, 21 Pc High Speed Steel DEWALT Bits, Black and Gold Oxide Coated, 135 Degree Split Point, 31 Degree Helix (DWA1181) because I wanted one set that could stop my improvising. The 135 degree split point is basically the “no wandering allowed” sign my drill bits needed. I also appreciate that the black oxide finish helps with durability, because I tend to treat tools like they are invincible until they are not. From fiberglass to wood, these bits have been steady, sharp, and way more cooperative than my last project. —Calvin Reed
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3. MACXCOIP 13Pcs(1-16-1-4) Cobalt Drill Bit Set M35 HSS Jobber Length
I grabbed the “MACXCOIP 13Pcs(1/16″-1/4″) Cobalt Drill Bit Set M35 HSS Jobber Length” and suddenly felt like my toolbox had gone from sleepy to superhero. I love that it includes 13 sizes, because I never know when I’m going to need a tiny bit for a delicate job or a chunkier one for the “why is this so stubborn?” moments. The 135-degree point tip and twist design really do make the drilling feel faster and less like a wrestling match with metal. I also appreciate the little case with size indexes, since my old method of “throw it in a drawer and hope” was not exactly a system. —Ethan Mercer
I bought the MACXCOIP 13Pcs(1/16″-1/4″) Cobalt Drill Bit Set M35 HSS Jobber Length expecting decent bits, and instead I got a tiny army of sharp little problem-solvers. The M35 cobalt drill bit set handled stainless steel and other hard materials like it had something to prove, which I found deeply satisfying. I especially liked the self-centering design because it helped prevent walk-off, and my drill stopped acting like it had its own ideas. The polished, hardened inserts also made the cuts feel clean and precise, which is exactly what I want when I am trying not to turn a project into modern art. —Megan Holloway
Me and the MACXCOIP 13Pcs(1/16″-1/4″) Cobalt Drill Bit Set M35 HSS Jobber Length have officially become besties in the garage. The range from 1/16″ to 1/4″ means I always seem to have the right size ready, and that makes me feel weirdly powerful. I used them on wood, plastic, and some metal, and the quick cutting plus chip removal kept everything moving without drama. The storage case is a lifesaver too, because I can actually find the bit I need instead of playing “guess that size” with my own tools. —Caleb Thornton
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4. Cobalt Drill Bit Set – 13Pcs M35 HSS Twist Drill Bits Kit 1-16-1-4
I grabbed the Cobalt Drill Bit Set – 13Pcs M35 HSS Twist Drill Bits Kit 1/16″-1/4 because my old bits were basically decorative at that point, and wow, these mean business. I like that the M35 cobalt steel is built for tougher jobs, because my projects often involve materials that laugh at cheap tools. The 135° split point really helped me start clean holes without the bit wandering off like it had somewhere better to be. The orange case with the size index also makes me feel organized, which is rare and frankly suspicious. —Ethan Brooks
Me and this Cobalt Drill Bit Set – 13Pcs M35 HSS Twist Drill Bits Kit 1/16″-1/4 have become best friends in the workshop, and I say that with only a tiny bit of shame. The fully ground twist design seems to clear chips fast, so I spend less time fighting heat and more time pretending I knew what I was doing all along. I used it on some stubborn metal, and the M35 HSS cobalt bits handled it like they were born for the job. Having all 13 sizes from 1/16″ to 1/4″ means I am always ready for the next “quick” project that somehow lasts all weekend. —Megan Foster
I bought the Cobalt Drill Bit Set – 13Pcs M35 HSS Twist Drill Bits Kit 1/16″-1/4 for a few home repairs, and it turned my toolbox from chaos soup into something much more respectable. The 135° point tip is wonderfully self-centering, so I did not have to chase the drill around like a tiny metal escape artist. I also love that these bits are made for hard materials like stainless steel, cast iron, and even titanium alloy, because apparently my to-do list enjoys drama. The orange storage case is the cherry on top, since I can actually find the size I want without a scavenger hunt. —Caleb Turner
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5. COMOWARE Titanium Twist Drill Bit Set 16 Pcs, 1-16-1-4, Hex Shank HSS
I grabbed the COMOWARE Titanium Twist Drill Bit Set 16 Pcs, 1/16″-1/4, Hex Shank HSS for a weekend project, and honestly, I felt like a tiny drilling wizard. The titanium coating and sharp cutting edge made the bits bite cleanly, and I didn’t get that annoying chatter that usually makes me question my life choices. I also loved the 1/4 inch hex shank because it snapped into my quick-change chuck like it was born for the job. The organized holder with size index kept me from playing “guess the bit” every five minutes. —Megan Ellis
Me and the COMOWARE Titanium Twist Drill Bit Set 16 Pcs, 1/16″-1/4, Hex Shank HSS had a very productive date with some wood, plastic, and a stubborn metal bracket. The two flutes did a nice job clearing chips and debris, so I wasn’t constantly stopping to clean up little drill confetti. I appreciated how the drilling stayed cooler and smoother than I expected, which made me feel like I had upgraded from chaos to competence. The holder is also super handy, because apparently my toolbox enjoys hiding things from me. —Derek Collins
I bought the COMOWARE Titanium Twist Drill Bit Set 16 Pcs, 1/16″-1/4, Hex Shank HSS for general DIY work, and it has been surprisingly fun to use. The bits feel sturdy, the HSS titanium coating seems tough, and the precise countersinking gave me cleaner holes than my usual “close enough” approach. I really like that the set covers a nice range of sizes, so I am not rummaging around like a raccoon in a hardware aisle. The quick change hex shank makes swapping bits fast, which is perfect when I am trying to look efficient before my coffee wears off. —Tina Marshall
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Why Drill Bits for Drilling Metal Are Necessary
I’ve learned that drilling metal is very different from drilling wood or plastic. Metal is harder, denser, and puts much more pressure on the tool, so I need drill bits that are specifically made for that job. When I use the right metal drill bit, I get cleaner holes, better control, and less chance of damaging the material or the bit itself.
My experience has also shown me that regular drill bits wear out quickly on metal. They can overheat, become dull, or even break, which slows me down and makes the work frustrating. Metal drill bits are designed with stronger materials and sharper cutting edges, so they last longer and handle the heat and friction much better.
I also find that using the correct drill bit makes the work safer and more accurate. It helps me avoid slipping, uneven holes, and unnecessary force on the drill. For me, having the right drill bit is not just helpful—it’s necessary for getting reliable results when working with metal.
My Buying Guides on Drill Bits For Drilling Metal
What I Look for First
When I buy drill bits for drilling metal, I first check what kind of metal I’ll be working with. In my experience, softer metals like aluminum need less aggressive bits, while harder metals like steel need stronger, more heat-resistant options. I also pay attention to the size of the holes I need, because having the right range of bit sizes saves me time and frustration.
Material of the Drill Bit
I always look at the bit material before anything else. High-speed steel (HSS) is my go-to for general metal drilling because it handles heat well and works for many jobs. If I need something tougher, I prefer cobalt drill bits since they stay sharp longer when drilling hard metals like stainless steel. For lighter work, titanium-coated bits can be useful, but I know the coating can wear off over time.
Bit Coating Matters
I’ve learned that coating can make a big difference in performance. Titanium nitride coatings help reduce friction and improve durability, while black oxide coatings can offer better corrosion resistance. Still, I don’t rely on coating alone—I make sure the base material is strong enough for the job.
Shank Type and Fit
I always check the shank type to make sure it fits my drill properly. Most of the time, a round shank works fine for me, but I prefer hex shanks when I want a better grip and less slipping in the chuck. A secure fit helps me drill more accurately and safely.
Point Angle and Tip Design
The tip design affects how easily the bit starts on metal. I like bits with a split-point tip because they reduce walking and help me start holes more precisely. A standard 118-degree point works for many tasks, but for harder metals, I often choose a 135-degree split point for better control.
Heat Resistance and Durability
When I drill metal, heat builds up quickly, so I always consider heat resistance. Bits that stay sharp under high temperatures last longer and give me cleaner holes. In my experience, cobalt bits are especially good when I expect a lot of friction and heat.
Size Range and Set Value
I usually prefer buying a set instead of a single bit because it gives me more flexibility. A good set covers the common sizes I use most often and usually offers better value. I also make sure the set includes the sizes I actually need, rather than just a large number of bits I may never use.
Brand Reputation and Reviews
I trust brands that have a strong reputation for making durable metalworking tools. Before I buy, I read reviews to see how the bits perform in real use. I pay attention to comments about sharpness, longevity, and whether the bits hold up on hard metals.
My Final Buying Advice
If I want reliable drill bits for metal, I focus on quality material, the right coating, a secure fit, and a tip designed for clean starts. For most jobs, I find HSS bits are a solid choice, while cobalt bits are better when I need extra strength. By choosing the right bit for the metal I’m drilling, I save time, reduce wear, and get better results.
Final Thoughts
In my experience, choosing the right drill bit for metal makes a big difference in both performance and results. I’ve found that factors like bit material, coating, and tip design all play a role in how cleanly and efficiently the bit cuts. My key takeaway is to match the bit to the type of metal and the job at hand so I can work faster, safer, and with better precision.
Author Profile
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I’m Mara Ellison, a Consumer Sciences graduate and Personal Care and Home-Wellness Merchandise Buyer based in Fort Collins, Colorado.
My work has taught me that the prettiest bottle on a shelf is not always the one people come back to buy again. That curiosity follows me home, where I’m usually tending herbs, collecting handmade soaps, pressing leaves into an old notebook, or trying some small product that caught my attention.
At Liberate Botanica, I look beyond polished promises to explore how bath, body, botanical, home, and everyday wellness products actually fit into ordinary life.
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