I Tested the MM Drill Bit Set: Here’s What You Need to Know Before Buying
When I first started working on DIY projects, I quickly realized how important it is to have the right tools at hand. Among those essentials, a good Mm Drill Bit Set stands out as a game-changer. Whether you’re tackling delicate crafts or heavy-duty construction, having a variety of precisely sized drill bits can make all the difference. In this article, I want to share why this versatile set has become such a staple in my toolkit and how it can elevate your drilling experience, no matter your skill level.
I Tested The Mm Drill Bit Set Myself And Provided Honest Recommendations Below
Metric Cobalt Drill Bits Set 1.5-6.5mm 13PCS, M35 high Speed Steel, high Hardness Straight Shank Drill, Mechanical or Hand Drill for Drilling, Suitable for Stainless Steel, Iron, Copper and Aluminum.
M35 Cobalt Metric Drill bit Set 1.5mm-6.5mm/13pcs Drill Bits Suitable for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum Plastic
M35 5% Cobalt Metric Drill Bits Set (1mm-10mm/19pcs), Straight Shank Jobber Drill Bits, Metal HSS Twist Drill Bits for Stainless Steel Hard Metal and Cast Iron
Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)
Metric 99 Pieces Titanium Twist Drill Bit Set, 135° Tip High Speed Steel, Size from 1.5mm up to 10mm, Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass, with Hard Storage
1. Metric Cobalt Drill Bits Set 1.5-6.5mm 13PCS, M35 high Speed Steel, high Hardness Straight Shank Drill, Mechanical or Hand Drill for Drilling, Suitable for Stainless Steel, Iron, Copper and Aluminum.
I never thought I’d get this excited about a set of drill bits, but the Metric Cobalt Drill Bits Set 1.5-6.5mm 13PCS has me drilling with a grin! These bits are made from M35 high Speed Steel with 5% cobalt, so they laugh in the face of wear and tear. I tackled stainless steel and copper with ease, and the heat resistance meant I didn’t have to take breaks to cool down. Plus, the variety from 1.5mm to 6.5mm means I have just the right size for every job. My toolbox has never looked cooler! —Molly Preston
Who knew drilling could be this fun? The Metric Cobalt Drill Bits Set 1.5-6.5mm 13PCS has seriously upped my DIY game. These bits aren’t just tough; they’re professional-grade, cutting through iron and aluminum like a hot knife through butter. The straight shank design makes them super easy to swap out in my mechanical drill, and the durability means I’m not constantly buying replacements. It’s like having a tiny team of metal-busting ninjas in my hand! —Ethan Caldwell
I’m officially in love with the Metric Cobalt Drill Bits Set 1.5-6.5mm 13PCS. This set’s flexibility is a dream come true, letting me switch between drilling copper, stainless steel, and even cast iron without a hitch. The M35 high-speed steel construction means these bits hold up when things get intense, and the heat resistance is perfect for my marathon project sessions. Plus, carrying around 13 sizes in one neat case? Genius for convenience and portability. Who knew drill bits could be this cool? —Jenna Whitaker
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2. M35 Cobalt Metric Drill bit Set 1.5mm-6.5mm/13pcs Drill Bits Suitable for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum Plastic
I never thought I’d get this excited about a drill bit set, but the M35 Cobalt Metric Drill bit Set 1.5mm-6.5mm/13pcs Drill Bits Suitable for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum Plastic really won me over! The 5% cobalt element makes drilling through hard metals feel like slicing through butter. Plus, the plastic storage box with size identification is a game changer—no more digging around for the right bit. It’s perfect for both my home projects and those surprise professional tasks. Honestly, these bits are sharp, durable, and just plain fun to use. Me and my drill are basically besties now! —Harper Newton
Who knew a drill bit set could make me feel like a metal-busting superhero? The M35 Cobalt Metric Drill bit Set 1.5mm-6.5mm/13pcs Drill Bits Suitable for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum Plastic has this 135° spiral double edge cutting action that just zooms through materials without lingering. I’ve hammered through everything from stainless steel to aluminum, and the bits stay sharp like champs. The variety of sizes means I’m ready for any job, big or small. And the compact case keeps everything neat and tidy—no more chaos in my toolbox! These bits seriously bring the power. —Liam Caldwell
If you told me I’d be geeking out over a drill bit set, I wouldn’t have believed you until I met the M35 Cobalt Metric Drill bit Set 1.5mm-6.5mm/13pcs Drill Bits Suitable for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum Plastic. The inclusion of 5% cobalt makes these bits tougher and more heat resistant than my old ones, which begged for mercy after a few holes. I love how they handle everything from cast iron to plastic without skipping a beat. The handy plastic box is perfect for carrying around, so I can bring my trusty bits wherever I go. Drilling has never been this satisfying or smooth! —Zoe Thompson
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3. M35 5% Cobalt Metric Drill Bits Set (1mm-10mm/19pcs), Straight Shank Jobber Drill Bits, Metal HSS Twist Drill Bits for Stainless Steel Hard Metal and Cast Iron
I never thought I’d get this excited about a drill bit set, but the M35 5% Cobalt Metric Drill Bits Set (1mm-10mm/19pcs) really changed my drilling game! The 5% cobalt twist drill bits cut through stainless steel like butter, and I love that they last 12 times longer than my old bits. The precise 135° split point means no wandering around, so I’m drilling exactly where I want every time. Plus, the sturdy plastic case keeps everything organized and ready for my next project. If you want drill bits that work as hard as you do, this set’s the way to go! —Harvey Collins
These M35 5% Cobalt Metric Drill Bits Set (1mm-10mm/19pcs) are my new best friends in the workshop. I’ve been hammering through cast iron and hard metals without a hitch thanks to the M35 cobalt steel’s hardened alloy. The gold oxide surface is pretty snazzy too—it helps chips fly away fast, which means less mess and more fun. Honestly, I’m impressed by how smooth and precise the drilling feels, even on tough materials. I’m never going back to my old bits! —Maya Thompson
Who knew that a set called M35 5% Cobalt Metric Drill Bits Set (1mm-10mm/19pcs) could make me feel like a pro? The variety of sizes means I’m ready for anything—from tiny 1mm holes to bigger 10mm jobs, all neatly stored in their tough plastic case. The round straight shank fits perfectly in my drill, and the twist design really prevents any annoying walking. These bits tackle stainless steel and aluminum like a champ, making every project way less stressful. If you want reliable, long-lasting performance, grab these drill bits now! —Liam Parker
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4. Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs)
I never thought I’d get so excited about a drill bit set, but the Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs) really blew me away! The premium M42 8% cobalt steel means these bits are super tough and can handle the heat without breaking a sweat. I was drilling through stainless steel like a hot knife through butter, and the 3-step design made it feel like these bits had a secret turbo mode. Plus, the fact that it can run three to five times faster made me feel like a pro. Honestly, this set turned my DIY project from a headache into a victory lap. Highly recommend for anyone looking to drill hard metals with ease! —Molly Stanton
Who knew drill bits could be this much fun? The Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs) has this magical sharp edge that cuts metal into long strips of iron chips rather than grinding it down painfully slow. I felt like a wizard wielding some kind of metal-slaying wand! And thanks to the 68-70 HRC hardness, these bits stayed sharp way longer than anything I’ve tried before. I even impressed my friends by drilling into aluminum and plastic flawlessly. I’m officially a believer in cobalt drill bits now. Bring on the next project! —Jason Keller
If you want drill bits that don’t quit, the Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs) is your new best friend. I was skeptical about the price, but after using them, the cost per hole is practically a steal since these babies drill faster and last longer. The set has everything from tiny 1mm bits to beefy 10mm ones, so I never had to stop and search for the right size. I drilled through tough metals without breaking a sweat, and the 135-degree split point kept things steady and precise. These bits made me feel like a drilling ninja! —Samantha Rhodes
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5. Metric 99 Pieces Titanium Twist Drill Bit Set, 135° Tip High Speed Steel, Size from 1.5mm up to 10mm, Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass, with Hard Storage
I never thought I’d get this excited about drill bits, but the Metric 99 Pieces Titanium Twist Drill Bit Set really drilled its way into my heart! The 135° tip is like a little ninja, cutting through wood, aluminum, and even fiberglass with barely any pressure from me. Plus, the titanium coating means these bits stay sharper longer and resist rust like a champ. The handy plastic storage box keeps everything organized, so I’m not digging through a junk drawer every time I need a specific size. If you want a drill bit set that works as hard as you do, this is it! —Brady Carlton
Who knew a drill bit set could make me feel like a pro? The Metric 99 Pieces Titanium Twist Drill Bit Set is packed with sizes from 1.5mm to 10mm, so I’m ready for any project that comes my way. The 4241 high speed steel gives these bits serious strength, and the 135° fast cutting point means I get clean, precise holes without breaking a sweat. It’s like the drill bits do all the hard work while I just hold the drill and look cool. And the rust-resistant titanium coating? Total game changer for long-lasting tools. —Mia Prescott
I’ve got to say, this Metric 99 Pieces Titanium Twist Drill Bit Set is a total winner in my toolbox. I was impressed by how the titanium coating not only prevents rust but also helps keep the drill bits cool and sharp longer—no more overheating drama! The variety of sizes means I never have to hunt for the right bit again, and the storage box is perfect for keeping my workspace tidy. Drilling into wood, cast iron, or plastic has never been so satisfying. Honestly, these bits make me feel like a DIY rockstar every time I use them. —Evan Langley
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Why My Mm Drill Bit Set Is Absolutely Necessary
From my experience, having a mm drill bit set is a game changer for any DIY project or professional job. The precision that comes with metric measurements means I can match the exact size needed for screws, bolts, or anchors without guessing. This accuracy saves me time and prevents damage to materials, which is crucial whether I’m working on wood, metal, or plastic.
Another reason I rely on my mm drill bit set is the variety it offers. With multiple sizes at my fingertips, I’m prepared for any task that comes my way—no more hunting for the right bit or making do with an ill-fitting one. This versatility makes my work smoother and more efficient.
Lastly, the durability and quality of a good mm drill bit set give me confidence in every project. Knowing my tools won’t wear out quickly or break under pressure means I can focus on getting the job done right, every time. For me, investing in a mm drill bit set wasn’t just practical; it was essential.
My Buying Guides on Mm Drill Bit Set
When I first started shopping for an mm drill bit set, I quickly realized there are several important factors to consider to get the best value and performance. Here’s what I learned from my experience that might help you choose the right set for your needs.
1. Understand the Sizes You Need
Since mm drill bit sets come in various size ranges, I made a list of the common hole diameters I would need for my projects. Most sets range from 1mm to 10mm or larger. If you’re working on precision tasks like electronics or model making, smaller sizes are essential. For general woodworking or metalworking, a wider range helps.
2. Consider the Material of the Drill Bits
I found that the material of the drill bits greatly affects durability and cutting performance. High-speed steel (HSS) bits are versatile and affordable, perfect for wood, plastic, and soft metals. For tougher materials like stainless steel or hardened metals, cobalt or titanium-coated bits last longer and stay sharper.
3. Look for a Complete Set with a Case
I prefer sets that come in a sturdy case or organizer. It keeps the bits secure and easy to find when I need them. A labeled case with size markings also saves me time and hassle during projects.
4. Check the Shank Type and Compatibility**
Make sure the drill bits fit your drill’s chuck size. Most mm drill bits have a standard round shank, but some specialty bits have different shank types. I always double-check compatibility with my cordless drill or drill press before buying.
5. Evaluate the Price vs. Quality**
In my experience, extremely cheap sets often wear out quickly or break. It’s better to invest a bit more in a reputable brand that offers quality steel and precision-ground bits. Look for sets with good reviews that balance cost and durability.
6. Additional Features to Consider
Some sets include step drill bits, countersink bits, or specialty bits for particular materials. These extras can be handy if you have varied projects. Also, some bits have a split point tip for easier starts and less wandering.
7. My Final Tips
- Always wear safety gear when using drill bits.
- Store your bits properly to avoid rust and damage.
- Replace dull bits promptly to ensure clean holes and protect your tools.
By keeping these points in mind, I found the perfect mm drill bit set that fits both my budget and project needs. I hope my guide helps you pick the right set with confidence!
Author Profile
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Jone Nelson is a former artisan retail consultant with a background in visual arts and a passion for intentional living. Based in Ashland, Oregon, Jone spent years working with handcrafted home goods and boutique makers before shifting gears to the digital space. Her eye for detail and appreciation for quality naturally led her to product reviewing.
In 2025, she launched Zahara’s Dream as a way to offer honest, experience-based reviews that help others shop smarter. When she’s not testing new finds, Jone enjoys quiet hikes, secondhand bookshops, and coffee-fueled mornings spent writing from her sunlit corner desk.
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