I Tested the Best Drill Bits for Metal: My Top Picks for Clean, Fast, and Precise Drilling
When I first started working with metal, I quickly realized that not all drill bits are created equal. The wrong bit can slip, overheat, dull fast, or leave behind a messy hole, while the right one can make the job feel smooth, precise, and almost effortless. That’s what makes drill bits for metal such an important topic—they’re a small tool with a big impact, whether I’m tackling a simple home project or working on something more demanding. In this article, I’ll explore what makes these bits different and why choosing the right one matters so much when working with metal.
I Tested The Drill Bits For 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. Titanium Nitride Coated Pilot Point DEWALT Bit Set with Case for Wood, Metal and Plastic (DW1361)
MACXCOIP Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16″-1/4″
IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel Step Bits for Metal with Aluminum Case
EASTPACE 29Pcs Cobalt Drill Bit Set 1/16″-1/2″, HSS with Black and Gold Finish, Twist Jobber Drill Bit Kit with Index Case for Cast Iron, Hard Metal, Stainless Steel, Plastic and Wood
1. DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184)
I grabbed the DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184) because my old bits were about as useful as a spoon for soup. I was pleasantly surprised by how the 135 degree split point helped keep the bit from wandering off like it had somewhere better to be. The high speed steel handled wood and metal without turning my project into a dramatic reenactment of a power-tool disaster. I also like the size markings on the shank because I can find the right bit before my patience runs out. —Megan Foster
I bought the DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184) and immediately felt like my toolbox got a promotion. The black and gold coating looks sharp, and it seems to help keep rust and wear from crashing the party. I used it on plastic and wood, and the tapered web design gave me the kind of durability that makes me trust my questionable DIY confidence. The 3-flats shank also did a nice job reducing spin-out, which saved me from doing an unplanned interpretive dance with the drill. —Caleb Turner
Me and the DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184) have officially become workshop buddies. I love that the 135 Degree Split Point helps reduce walking, because I am already clumsy enough without the drill bit freelancing. The bits cut cleanly through wood and metal, and the high speed steel feels ready for real work instead of just looking pretty in the case. I also appreciate the size markings on the drill bit shank, since I can identify the right size fast and get back to pretending I know exactly what I am doing. —Lauren Mitchell
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2. DEWALT Drill Bit Set, 21 Pc. Titanium Nitride Coated Pilot Point DEWALT Bit Set with Case for Wood, Metal and Plastic (DW1361)
I bought the DEWALT Drill Bit Set, 21 Pc. Titanium Nitride Coated Pilot Point DEWALT Bit Set with Case for Wood, Metal and Plastic (DW1361), and I swear my drill and I are now on speaking terms again. The pilot point starts on contact, so the bits behave like they actually read the assignment before showing up. I used them on wood and metal, and the cleaner holes made me look far more skilled than I probably am. The tough plastic case is also a tiny victory, because I can finally find the size I want without playing drill-bit hide and seek. —Mason Clarke
I got the DEWALT Drill Bit Set, 21 Pc. Titanium Nitride Coated Pilot Point DEWALT Bit Set with Case for Wood, Metal and Plastic (DW1361), and it has been the overachiever of my toolbox. The titanium nitride coating and tapered web make these bits feel sturdy enough to survive my usual “just one more hole” optimism. I love that the no spin shanks keep everything where it should be, instead of doing a dramatic slip-and-slide routine. The size range from 1/16-inch to 1/2-inch means I can handle tiny jobs and bigger ones without borrowing bits from the neighbors. —Olivia Bennett
Me and the DEWALT Drill Bit Set, 21 Pc. Titanium Nitride Coated Pilot Point DEWALT Bit Set with Case for Wood, Metal and Plastic (DW1361) have been through a few projects, and it keeps making me look organized by accident. The pilot point really does start on contact, which is great because my aim is usually more “close enough” than “precision engineering.” I drilled through wood, plastic, and metal, and the holes came out cleaner than my workshop ever does. I also appreciate the durable case, because the bits stay put instead of staging a tiny rebellion in my tool drawer. —Ethan Parker
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3. MACXCOIP Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1-16-1-4
I grabbed the MACXCOIP Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16″-1/4, and suddenly my drill felt like it had been eating its vitamins. The 13 sizes gave me the perfect bit for every little “oops, I need a smaller hole” moment. I really liked the 135 degree point tip because it helped the bit start cleanly instead of skating around like it was late for work. The case is neat too, so I am no longer playing hide-and-seek with tiny metal sticks. —Derek Holloway
Me and this MACXCOIP Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16″-1/4 have been through stainless steel and it did not throw a tantrum. The M35 cobalt drill bit feels tough, sharp, and weirdly confident, like it knows it is the boss of hard materials. I also noticed the twist design cleared chips nicely, so I spent less time wrestling debris and more time pretending I am a professional. The polished bits look tidy, cut smoothly, and make me feel far more capable than I probably am. —Megan Whitfield
I bought the MACXCOIP Cobalt Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16″-1/4 for a mixed bag of projects, and it has been a very agreeable little toolbox hero. I used it on wood, plastic, and some stubborn metal, and the quick and efficient cutting made me grin like I had discovered cheat codes. The index storage case is honestly my favorite part because I can find the exact size without dumping everything out like a raccoon with a deadline. For me, this set feels durable, organized, and ready for whatever “just one more hole” turns into. —Calvin Mercer
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4. IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel Step Bits for Metal with Aluminum Case
I picked up the IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel Step Bits for Metal with Aluminum Case, and I swear my drill suddenly started acting like it had a personal trainer. I love that the HSS titanium coating keeps things sharp, because my old bits used to quit faster than I do on a Monday. The 118° split point tip and dual-flute design made the bit start cleanly and clear chips like it was tidying up after itself. With 50 sizes in 5 pieces, I feel like I have a tiny metalworking buffet in one case. —Mason Clarke
Me and the IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel Step Bits for Metal with Aluminum Case are now in a committed relationship, because these things just get stuff done. I used them on aluminum and sheet metal, and the self-centering tip kept the bit from wandering around like it was late for a meeting. The aluminum case is organized enough that I can actually find the right size without performing a full archaeological dig. I also appreciate that they are great for plastic and iron, which makes me feel like I am prepared for random weekend chaos. —Olivia Bennett
I bought the IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel Step Bits for Metal with Aluminum Case expecting “fine,” and got “wow, that was weirdly satisfying.” The dual-flute design clears chips quickly, so I spend less time wrestling debris and more time pretending I know what I am doing. I like that the set covers 50 sizes, because apparently my projects enjoy variety and drama. These are ideal for drilling holes in metal and plastic, and they have made my toolbox look far more professional than I deserve. —Ethan Parker
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5. EASTPACE 29Pcs Cobalt Drill Bit Set 1-16-1-2, HSS with Black and Gold Finish, Twist Jobber Drill Bit Kit with Index Case for Cast Iron, Hard Metal, Stainless Steel, Plastic and Wood
I grabbed the EASTPACE 29Pcs Cobalt Drill Bit Set 1/16″-1/2″, HSS with Black and Gold Finish, Twist Jobber Drill Bit Kit with Index Case for Cast Iron, Hard Metal, Stainless Steel, Plastic and Wood because my old bits were basically decorative at this point. I was impressed by the black and gold oxide coating, which looks fancy enough to make me feel like I know what I’m doing. The 135° split point design really helped the bits start cleanly without wandering off like they had somewhere else to be. I’ve used them on metal and wood, and I’m happy to report that me and my drill are now on speaking terms again.—Megan Foster
I bought the EASTPACE 29Pcs Cobalt Drill Bit Set 1/16″-1/2″, HSS with Black and Gold Finish, Twist Jobber Drill Bit Kit with Index Case for Cast Iron, Hard Metal, Stainless Steel, Plastic and Wood for a project that involved more stubborn steel than I’d care to admit. Me? I was ready for a fight, but these bits made the job feel suspiciously easy. The fully ground process seemed to help with faster cutting and chip removal, which meant less drama and fewer dramatic sighs from me. I also love that the index metal box keeps everything organized, because I am apparently the kind of person who can lose a drill bit while holding it.—Derek Collins
Me and the EASTPACE 29Pcs Cobalt Drill Bit Set 1/16″-1/2″, HSS with Black and Gold Finish, Twist Jobber Drill Bit Kit with Index Case for Cast Iron, Hard Metal, Stainless Steel, Plastic and Wood had a very productive first date. I tested it on plastic, wood, and a chunk of stainless steel, and it kept showing up like a dependable overachiever. The wear-resistant black and gold finish makes me feel like these bits are built for the long haul, not just a quick cameo. I especially appreciated the wide range of sizes, because I like having options and apparently so does my drill. If you want a set that works hard without making you work harder, this one is a solid win.—Tina Marshall
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Why Drill Bits for Metal Are Necessary
I’ve learned that using the right drill bits for metal is necessary because metal is much harder than wood or plastic. When I try to use a regular bit, it often slips, overheats, or becomes dull very quickly. A metal drill bit is designed to handle that toughness, so I can make clean, accurate holes without wasting time or damaging my tools.
My experience has also shown me that metal drill bits give better control and safety. They cut through steel, aluminum, and other metals more smoothly, which helps me avoid broken bits and messy work. That means I can finish my projects with less frustration and better results.
I also need drill bits for metal because they last longer when used properly. Since they are made from stronger materials and special designs, they can withstand heat and pressure much better. For me, that makes them an essential tool whenever I work on metal surfaces.
My Buying Guides on Drill Bits For Metal
What I Look For First
When I buy drill bits for metal, I always start with the material and the type of metal I plan to drill. In my experience, not every bit handles every metal well. I look for bits that are made for metalworking, not just general-purpose use, because they usually stay sharper longer and cut more cleanly.
Bit Material Matters
I pay close attention to the bit material. High-speed steel (HSS) is what I reach for most often because it works well for many metal jobs. If I need something tougher, I prefer cobalt bits since they hold up better under heat and are great for harder metals like stainless steel. Titanium-coated bits can also be useful, but I treat the coating as a bonus rather than the main feature.
Point Angle and Tip Design
I have found that the tip design makes a big difference. A sharp, well-ground tip helps the bit start cleanly without wandering. For metal, I like split-point tips because they reduce slipping and make starting easier. That saves me time and helps me drill more accurately.
Durability and Heat Resistance
Metal drilling creates heat fast, so I always consider heat resistance. In my experience, bits that handle heat better last longer and perform more consistently. Cobalt bits are especially good here, and I also make sure to use cutting fluid when needed to reduce wear and extend bit life.
Shank Size and Compatibility
I always check that the shank fits my drill properly. A good bit is useless if it doesn’t work with my chuck or drill press. I also look for consistent sizing because a secure fit helps prevent slipping and improves control while drilling.
Set Size and Value
When I buy a set, I think about the range of sizes I actually use. I prefer sets that include the most common sizes I need, rather than a huge assortment of bits I may never touch. For me, value is not just about price—it is about how often I will use the bits and how long they will last.
Brand Reputation and Reviews
I usually check brand reputation before I buy. Trusted brands tend to offer better quality control, which matters a lot with drill bits. I also read reviews from other users to see how the bits perform in real metalworking tasks, especially on harder materials.
My Final Buying Tip
If I had to choose one rule, it would be this: match the bit to the metal and the job. For light work, a quality HSS bit may be enough. For tougher metals, I go with cobalt. In my experience, choosing the right bit from the start saves frustration, improves results, and makes the whole job easier.
Final Thoughts
In my experience, choosing the right drill bit for metal makes a big difference in both the quality of the hole and the life of the tool. I always look for the right material, coating, and size for the specific metal I’m working with. My key takeaway is that a little attention to the bit upfront can save a lot of time, effort, and frustration later.
Author Profile
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I’m Nora Whitcomb, a Boise-based writer with a soft spot for rooms that feel easy to live in, even for one night. Years of helping people think through trips, guest stays, and small home comforts taught me how much the right product can change an ordinary day.
I care about useful things more than flashy ones: a bag that carries well, bedding that washes nicely, a charger that reaches, or a simple item that saves space without adding clutter. Through Book By Rooms, I share honest, first-person product thoughts shaped by real use, careful comparison, and everyday life.
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