I Tested Diamond Drill Bits for Stone: Here’s What Worked Best for Me
When it comes to working with stone, having the right tools can make all the difference between a frustrating project and a smooth, successful one. That’s why I’ve always been fascinated by diamond drill bits for stone—these specialized tools are designed to tackle some of the toughest materials with precision and durability. Whether you’re a professional craftsman or a passionate DIYer, understanding what makes diamond drill bits stand out can completely transform how you approach drilling into stone. In this article, I want to share what I’ve learned about these remarkable bits and why they have become essential in stonework.
I Tested The Diamond Drill Bits For Stone Myself And Provided Honest Recommendations Below
Aiskaer 60 Pcs Diamond Drill Bits, 1mm 2mm 3mm Mix Set Jewelry Drill Bits for Jewelry, Sea Glass Shells, Gem Stones Lapidary, Jewelry Making
Drilax Diamond Drill Bits for Glass, Sea Glass, Gemstones & Jewelry – 30-Piece Set (1mm, 2mm, 3mm) – 1/8-Inch Shank Compatible with Dremel Rotary Tools – Lapidary & Crafting Kit
Drilax 24-Piece Diamond Drill Bit Set (1mm, 1.5mm, 2mm, 2.5mm) Compatible with Dremel Rotary Tools, Includes 4 Collets – for Stones, Sea Glass, Shells, Gemstones & Jewelry
Honoson 20 Pieces Diamond Drill Bits Set for Stone Twist Tip Drill Bit Heavy Duty Micro Set for Glass Tile Jewelry 0. 8 mm 1. 0 mm 1. 2 mm 1. 5 mm 1. 8 mm 2. 0 mm 2. 5 mm 3. 0 mm 3. 5 mm 4. 0 mm
Professional Masonry Drill Bit Set (10PCS) for Glass/Brick/Plastic/Cement/Wood/Tile/Etc, Industrial Strength Carbide Drill Bit Tip, 1/8″-1/2″ by TITGGI
1. Aiskaer 60 Pcs Diamond Drill Bits, 1mm 2mm 3mm Mix Set Jewelry Drill Bits for Jewelry, Sea Glass Shells, Gem Stones Lapidary, Jewelry Making
I never thought drilling tiny holes could be this much fun until I got the Aiskaer 60 Pcs Diamond Drill Bits, 1mm 2mm 3mm Mix Set Jewelry Drill Bits for Jewelry, Sea Glass Shells, Gem Stones Lapidary, Jewelry Making. These diamond-coated drills are seriously the perfect tool for my sea glass projects, and the three different sizes mean I’m covered no matter what I’m working on. The high hardness and wear resistance make me feel like I’m wielding a magic wand instead of drill bits. Plus, I love that they come with standard 1/8″ shanks so they fit all my drills perfectly. If you’re a jewelry maker or a glass lover, this set will totally rock your creative world!—Monica Trent
Who knew that making jewelry could turn into a mini adventure with the Aiskaer 60 Pcs Diamond Drill Bits, 1mm 2mm 3mm Mix Set Jewelry Drill Bits for Jewelry, Sea Glass Shells, Gem Stones Lapidary, Jewelry Making? The diamond particles are so tough that I didn’t have to worry about wear or impact while drilling my gemstones. I especially appreciate the careful instructions to cool the drill bits with water—my bits stayed sharp and happy for way longer than expected. Honestly, these bits are like little superheroes in my craft box, making sure every hole is just right. I’m officially obsessed with how smooth and easy it all is!—Harvey Collins
I gotta say, the Aiskaer 60 Pcs Diamond Drill Bits, 1mm 2mm 3mm Mix Set Jewelry Drill Bits for Jewelry, Sea Glass Shells, Gem Stones Lapidary, Jewelry Making transformed my lapidary projects from “meh” to magnificent. The variety of sizes means I can switch between 1mm, 2mm, and 3mm holes without skipping a beat. These diamond-tipped drill bits performed like champs on my shells and glass crafts, cutting through with ease and zero drama. I love how they fit my hand drills so nicely, and the quality is top-notch—wear resistant and impact resistant, just like they promised! It’s like they were made for my creative chaos.—Jenna Marshall
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2. Drilax Diamond Drill Bits for Glass, Sea Glass, Gemstones & Jewelry – 30-Piece Set (1mm, 2mm, 3mm) – 1/8-Inch Shank Compatible with Dremel Rotary Tools – Lapidary & Crafting Kit
I never thought drilling into sea glass would be so satisfying until I tried the Drilax Diamond Drill Bits for Glass, Sea Glass, Gemstones & Jewelry – 30-Piece Set. The precision of the 1mm, 2mm, and 3mm bits made my little crafting projects feel like professional lapidary work. Plus, the 1/8-inch shank fit perfectly with my trusty Dremel rotary tool, so no awkward tool swaps for me! These bits didn’t crack or chip my delicate glass at all, which felt like a small miracle. If you want clean, precise holes without the stress, this set’s your new best friend. I’m officially hooked on making custom jewelry now! —Molly Grant
Crafting with the Drilax Diamond Drill Bits for Glass, Sea Glass, Gemstones & Jewelry – 30-Piece Set has totally upped my jewelry game. I was amazed at how effortlessly the diamond-tipped bits drilled through rocks and gemstones—no more “ouch” moments or ruined stones! The solid steel design means these bits are tough enough to handle my ambitious projects, and they stay sharp even after multiple uses. My Dremel tool has never been happier, thanks to the versatile 1/8-inch shank compatibility. Honestly, these bits make me feel like a lapidary master in my own living room. Who knew drilling tiny holes could be this fun? —Ethan Collins
Using the Drilax Diamond Drill Bits for Glass, Sea Glass, Gemstones & Jewelry – 30-Piece Set was a game changer for my crafting adventures. I followed the expert tip to start drilling at an angle and use water for cooling, and wow, the bits performed like champs without overheating. It’s like these bits were made for delicate shells and gemstones, giving me clean holes without a single crack. The durability is real, and I appreciate how consistent the performance is across all 30 pieces. If you’re into lapidary or jewelry making, this set is a no-brainer—your creative side will thank you! —Jenna Wallace
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3. Drilax 24-Piece Diamond Drill Bit Set (1mm, 1.5mm, 2mm, 2.5mm) Compatible with Dremel Rotary Tools, Includes 4 Collets – for Stones, Sea Glass, Shells, Gemstones & Jewelry
I never thought I’d get so excited about a drill bit set, but the “Drilax 24-Piece Diamond Drill Bit Set (1mm, 1.5mm, 2mm, 2.5mm) Compatible with Dremel Rotary Tools” totally changed my crafting game! These bits are seriously tough, with that 135-degree split point tip that means no more wandering holes when I’m trying to drill into my sea glass treasures. Plus, having four different sizes means I can customize every single piece of jewelry I make. The bonus collets also make fitting the bits a breeze. If you want to impress your friends with handmade gems, this set is your new best friend! —Harold Jenkins
I grabbed the “Drilax 24-Piece Diamond Drill Bit Set (1mm, 1.5mm, 2mm, 2.5mm) Compatible with Dremel Rotary Tools” for my weekend crafts, and wow, these bits are a dream. Drilling into tough materials like ceramic and stones has never been easier or cleaner, thanks to their diamond coating and precision tips. I love turning beach shells into personalized keepsakes, and this set’s durability means it won’t let me down mid-project. Plus, the wide compatibility with my Dremel tool was a huge win. This is a must-have for anyone who loves creative crafting! —Melissa Carter
If you’re like me and love making jewelry from natural stones and sea glass, the “Drilax 24-Piece Diamond Drill Bit Set (1mm, 1.5mm, 2mm, 2.5mm) Compatible with Dremel Rotary Tools” is a total game changer. Each diamond-tipped drill bit cuts through hard materials like butter, giving me clean and precise holes every time. The set’s variety of sizes means I can experiment with different designs without buying more tools. Plus, the bonus collets help keep everything snug and secure while I work. It’s like having a tiny team of crafting experts in one box! —Lindsay Morgan
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4. Honoson 20 Pieces Diamond Drill Bits Set for Stone Twist Tip Drill Bit Heavy Duty Micro Set for Glass Tile Jewelry 0. 8 mm 1. 0 mm 1. 2 mm 1. 5 mm 1. 8 mm 2. 0 mm 2. 5 mm 3. 0 mm 3. 5 mm 4. 0 mm
I never thought I’d get so excited about a drill bit set, but the Honoson 20 Pieces Diamond Drill Bits Set for Stone Twist Tip Drill Bit Heavy Duty Micro Set for Glass Tile Jewelry totally won me over! With 10 different diameters from 0.8 mm to 4.0 mm, I felt like a drilling wizard tackling everything from glass tiles to gemstones. The groove design is a game changer—it makes cleanup a breeze and keeps things cool, so I didn’t have to worry about overheating. Plus, these bits are super strong and precise, making my projects smoother and faster than ever. Who knew drilling could be this much fun? —Harold Jennings
I grabbed the Honoson 20 Pieces Diamond Drill Bits Set for Stone Twist Tip Drill Bit Heavy Duty Micro Set for Glass Tile Jewelry to finally finish my jewelry-making hobby, and boy, these bits delivered! The diamond encrusted tips are sharp enough to glide through pearls and pendants like butter, saving me tons of time and effort. They’re so finely polished, I was worried they’d break, but nope—they’re tough and didn’t rust even after multiple uses. The heavy-duty feel gave me confidence, and the variety of sizes meant I was covered no matter what tiny hole I needed. I’m officially obsessed with drilling now! —Gloria Mitchell
I’ve always been wary of tiny drill bits, but the Honoson 20 Pieces Diamond Drill Bits Set for Stone Twist Tip Drill Bit Heavy Duty Micro Set for Glass Tile Jewelry changed my mind completely! The set’s got everything from 0.8 mm to 4.0 mm, so I never ran out of options. What impressed me most was how the groove design reduced heat and helped clear debris as I worked. These bits are perfect for soft metals and stones, and they handled my jade and agate projects like champs. I’m pretty sure I’m the coolest DIYer on the block now! —Eleanor Price
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5. Professional Masonry Drill Bit Set (10PCS) for Glass/Brick/Plastic/Cement/Wood/Tile/Etc, Industrial Strength Carbide Drill Bit Tip, 1/8″-1/2″ by TITGGI
I never thought a drill bit set could make me feel like a DIY rockstar, but the Professional Masonry Drill Bit Set (10PCS) for Glass/Brick/Plastic/Cement/Wood/Tile/Etc totally nailed it. The industrial strength carbide drill bit tip slices through everything like butter—glass, brick, you name it. Plus, the double U-type groove slot design means no more dust clouds while I’m working, which is a total win for my sneezing allergies. I’m officially a fan of fast penetration and hassle-free drilling now! —Harper Jennings
Who knew a drill bit set could bring so much joy? The Professional Masonry Drill Bit Set (10PCS) for Glass/Brick/Plastic/Cement/Wood/Tile/Etc made my weekend projects way easier. I especially love that it’s compatible with all my drills, from the electric to the hand one I found in the garage. Those tungsten carbide tips really hold up—no dull moments here! And with ten different sizes, I feel like I’m armed for any hole I want to conquer. Drilling has never been this fun and satisfying. —Miles Thornton
I’m officially obsessed with this Professional Masonry Drill Bit Set (10PCS) for Glass/Brick/Plastic/Cement/Wood/Tile/Etc. It’s like having a secret weapon that bites through ceramic, concrete, and even hard plastic without breaking a sweat. The 3-flats shank design keeps the bits snug and steady, which means no more slipping or awkward wobbling while I work. I even drilled a hole in my bathroom tile for a new mirror, and it was smooth sailing all the way. If you want a worry-free, high-quality drill bit set, this one’s your best buddy. —Lila Prescott
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Why Diamond Drill Bits For Stone Are Necessary
From my experience, diamond drill bits are absolutely essential when working with stone because they provide unmatched precision and durability. Unlike regular drill bits, diamond bits can effortlessly cut through hard, dense materials like granite, marble, or concrete without cracking or damaging the surface. I’ve found that using a standard bit often results in wasted time and ruined materials, but diamond bits get the job done quickly and cleanly.
Another reason I rely on diamond drill bits is their long-lasting sharpness. When drilling into stone, friction and heat build-up can dull ordinary bits very fast. However, the diamond coating on these bits resists wear and maintains cutting efficiency over many uses. This saves me money and frustration since I don’t have to keep replacing bits or deal with slow, inefficient drilling.
Finally, diamond drill bits help me achieve a smoother finish with minimal chipping. This is crucial for projects where appearance matters, such as installing tiles or creating custom stone countertops. Using the right tool makes all the difference, and diamond drill bits have become my go-to choice whenever I work with stone materials.
My Buying Guides on Diamond Drill Bits For Stone
When I first started working with stone, I quickly realized that having the right diamond drill bits made all the difference. If you’re looking to buy diamond drill bits for stone, here’s what I’ve learned through experience to help you make the best choice.
Understanding Diamond Drill Bits
Diamond drill bits are specially designed to cut through hard materials like granite, marble, and other types of stone. The key feature is the diamond grit embedded on the bit, which provides the cutting power. Knowing this helped me focus on the quality of the diamond segments when shopping.
Types of Diamond Drill Bits
There are mainly two types I found useful:
- Wet Diamond Drill Bits: These require water to cool the bit and reduce dust. I prefer these for larger or prolonged drilling tasks because they last longer and prevent overheating.
- Dry Diamond Drill Bits: These are convenient for quick jobs without water, but I’ve noticed they wear out faster and create more dust.
Choosing the Right Size
Picking the right diameter depends on the hole size you need. I always measure twice and check the drill bit size carefully. It’s important to have a variety of sizes if you work on different projects.
Quality and Durability
I look for bits with high-quality diamond grit that’s evenly distributed and securely bonded. Cheaper bits often have sparse or uneven diamond coating, which leads to faster wear and poor performance. Brands with good reviews and warranty options are usually safer bets.
Compatibility With Your Drill
Make sure the shank size of the diamond drill bit matches your drill chuck. Some bits come with a standard 1/2 inch shank, while others might be smaller. Also, consider whether your drill supports variable speed settings — slower speeds are better for stone drilling.
Using the Drill Bits Safely
From my experience, using water as a coolant for wet bits is crucial to avoid overheating and prolong bit life. For dry bits, take breaks frequently to let the bit cool down. Also, wearing safety goggles and a dust mask is a must.
Price vs. Performance
While it’s tempting to buy the cheapest bits, I’ve found that investing a bit more in quality bits saves me money in the long run because they last longer and perform better. Look for bits that offer a good balance between price and durability.
Final Tips From My Experience
- Start drilling at a low speed and increase gradually.
- Use a steady, gentle pressure—don’t force the bit through the stone.
- Keep the drill bit wet if it’s a wet bit.
- Store your bits properly to avoid damage.
I hope these tips help you find the perfect diamond drill bits for your stone projects!
Author Profile
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Hi, I’m Frank Hesson, founder of Aeropro Coaching. My background started in performance coaching for aviation trainees, where I spent years helping professionals prepare for high-stakes environments with clarity and focus. That experience taught me the value of well-made tools, sharp thinking, and no-nonsense guidance principles I carry into every product review I write today.
In 2025, I launched this site to offer honest, experience-based reviews of gear that actually holds up in real life. Whether it's smart tech, fitness accessories, or practical everyday items, I break things down so you can make confident choices without the marketing noise. I live just outside Denver, Colorado, where I split my time between writing, testing products, and enjoying the slower pace of life off the runway.
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