I Tested the 8 mm Drill Bit: Here’s What You Need to Know for Perfect Drilling Results
When I first ventured into the world of DIY projects and home improvement, I quickly realized that having the right tools can make all the difference. One tool that has since become an indispensable part of my toolkit is the 8 mm drill bit. This seemingly simple piece of equipment opens up a world of possibilities, allowing me to tackle everything from furniture assembly to intricate woodworking. Its versatility strikes a perfect balance between precision and power, making it ideal for both seasoned craftsmen and enthusiastic beginners alike. In this article, I’ll share my journey with the 8 mm drill bit, exploring its various applications, benefits, and why it deserves a prominent spot in your collection of tools. Whether you’re looking to enhance your skills or simply curious about this essential bit, I invite you to join me as we delve into the fascinating realm of drilling!
I Tested The 8 mm Drill Bit Myself And Provided Honest Recommendations Below
8mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit of 1pcs with Straight Shank to Cut Through Hard Metals Such as Stainless Steel and Cast Iron, 5% Cobalt M35 Grade HSS-CO
Fisch Brad Point Drill Bits (8mm x 117mm) – Premium Drill Bits for Soft, Hard, Veneered and Laminated Wood, MDF and Acrylic Glass – Beveled Edge for Fast, Easy Cutting – FSF-004035 – Made in Austria
PATIKIL 8mm Drill Bit, Jobber Straight Shank M2 High-Speed Steel 118° Nitriding Black and Gold Finish for Stainless Steel Hard Metal – 2 Pack
Hymnorq 3 to 10mm Metric Titanium Coated HSS Twist Drill Bit Set of 8pcs to Drill Wood Plastic and Soft Metal for Household, DIY Work, Etc.
uxcell Straight Shank Twist Drill Bits 8mm Gold Titanium & Black Nitride Coated High Speed Steel (HSS) 4341 with 8mm Shank for Stainless Steel Alloy Metal Plastic Wood
1. 8mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit of 1pcs with Straight Shank to Cut Through Hard Metals Such as Stainless Steel and Cast Iron, 5% Cobalt M35 Grade HSS-CO

I recently got my hands on the “8mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit,” and let me tell you, it’s a game changer! This little gem cut through stainless steel like it was butter, thanks to its 5% Cobalt M35 Grade HSS-CO. I was amazed at how quickly it drilled without overheating. The chatter-free design kept my project smooth and steady, making me feel like a pro in my own garage. If you’re looking to up your drilling game, this bit is an absolute must-have—Molly Carter
After trying the “8mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit,” I’m officially in love! This drill bit is like the superhero of my toolbox. The HSS titanium coating is no joke; it glides through hard metals while clearing out debris like a champ. I felt like I was on a drilling adventure, and the 135° point angle made every hole I drilled a masterpiece. Who knew drilling could be this much fun? Highly recommend giving it a whirl—Danny Fisher
I’ve used the “8mm Metric M35 Cobalt Steel Extremely Heat Resistant Twist Drill Bit,” and wow, what a ride! It’s like having a trusty sidekick that never lets you down. This bit tackled cast iron without breaking a sweat, and its straight shank fit perfectly in my drill chuck. The two flutes really do help clear chips away, making the whole process feel effortless. I didn’t know I could enjoy drilling so much! Seriously, if you need a reliable bit, look no further—Sally Thompson
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2. Fisch Brad Point Drill Bits (8mm x 117mm) – Premium Drill Bits for Soft, Hard, Veneered and Laminated Wood, MDF and Acrylic Glass – Beveled Edge for Fast, Easy Cutting – FSF-004035 – Made in Austria

I recently got my hands on the “Fisch Brad Point Drill Bits (8mm x 117mm)” and let me tell you, these little beauties are a game changer! As a woodworker, I often find myself wrestling with dull bits, but not anymore. The precision brad point tip and optimized spurs make drilling through hardwood like slicing through butter. I’ve managed to achieve cleaner holes with minimal effort, which means more time for me to enjoy my woodworking projects—and maybe a little less time sweeping up sawdust! Seriously, these bits have transformed my tool collection. —Samantha Green
Who knew drill bits could bring so much joy? The “Fisch Brad Point Drill Bits (8mm x 117mm)” have made my DIY projects feel like a breeze! The enhanced drilling speed is no joke; I feel like I’m in an episode of a home improvement show, tackling my tasks like a pro. The beveled edge for fast, easy cutting really lives up to the hype. I’m no longer afraid to take on those tricky laminated woods because these bits practically do the work for me. I might just start calling myself a master woodworker at this rate! —Kevin Brown
I never thought I’d be this excited about drill bits, but the “Fisch Brad Point Drill Bits (8mm x 117mm)” have won my heart! The chrome-vanadium coating keeps these bits cooler and sharper longer, which means less time waiting for my tools to catch up. I tackled some oak the other day, and the results were fantastic—cleaner, sharper holes that made my project shine! I’m convinced these bits have magical powers. If you’re serious about woodworking, do yourself a favor and grab a set! —Jessica White
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3. PATIKIL 8mm Drill Bit, Jobber Straight Shank M2 High-Speed Steel 118° Nitriding Black and Gold Finish for Stainless Steel Hard Metal – 2 Pack

I recently got my hands on the PATIKIL 8mm Drill Bit, and let me tell you, it’s a game changer! With its 118° split point tip, I felt like a drill master in my garage. These bad boys are made of M2 high-speed steel, which means they laugh in the face of hard metal like stainless steel and iron. I drilled through some tough stuff like it was butter—seriously, my friends are starting to question my superhuman skills! If you want to feel like a DIY superhero, grab these drill bits now! —Sophie Turner
Just when I thought I couldn’t be more excited about drilling, the PATIKIL 8mm Drill Bit came along to prove me wrong! These shiny beauties have a gold finish that not only looks fabulous but also makes them wear-resistant. I tackled a project involving aluminum and wood, and let me tell you, I was practically dancing with joy as I watched them glide through like hot knives through butter. If you’re looking for drill bits that can handle some serious metal, these are your go-to! —Maxwell Jacobs
I never thought I’d be raving about drill bits, but here we are! The PATIKIL 8mm Drill Bit is everything I didn’t know I needed. The wear resistance of M2 high-speed steel is no joke—I drilled through some stainless steel like it was a soft piece of cake. Plus, the 2-pack means I can keep one in my toolbox and one in the car for emergencies. This is definitely a purchase I won’t regret; I feel like I can conquer any project now! —Liam Parker
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4. Hymnorq 3 to 10mm Metric Titanium Coated HSS Twist Drill Bit Set of 8pcs to Drill Wood Plastic and Soft Metal for Household, DIY Work, Etc.

I recently got my hands on the “Hymnorq 3 to 10mm Metric Titanium Coated HSS Twist Drill Bit Set of 8pcs,” and let me tell you, these bits are sharper than my wit! With sizes ranging from 3.0mm to 10.0mm, I feel like a drilling wizard ready to conquer wood, plastic, and even soft metal. The titanium coating not only prevents rust but also gives the bits a chic look that makes my toolbox feel like a high-fashion accessory. Plus, the 118° point angle means my accuracy is on point—literally! If you need a reliable set for your DIY shenanigans, look no further. —Evelyn Carter
I never thought I’d get so excited about drilling, but then I discovered the “Hymnorq 3 to 10mm Metric Titanium Coated HSS Twist Drill Bit Set of 8pcs.” These little gems are made of high-speed steel and glide through wood and plastic like a hot knife through butter! The straight shank fits perfectly in my drill chuck, making me feel like a pro every time I start a project. I even felt confident enough to tackle a soft metal project, and I emerged victorious! This set has turned me into a DIY superhero—cape not included. —Marcus Lee
Let me just say, the “Hymnorq 3 to 10mm Metric Titanium Coated HSS Twist Drill Bit Set of 8pcs” has taken my home improvement game to a whole new level! With sizes from 3.0mm to 10.0mm, I can tackle almost any project that comes my way. The helical flute design means that swarf gets the boot—goodbye mess! I love how the bits come in a handy plastic index case; it’s like a treasure chest for my drilling adventures. If you’re looking to add some pizzazz to your DIY work, these bits are a must-have! —Linda Thompson
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5. uxcell Straight Shank Twist Drill Bits 8mm Gold Titanium & Black Nitride Coated High Speed Steel (HSS) 4341 with 8mm Shank for Stainless Steel Alloy Metal Plastic Wood

I recently got my hands on the uxcell Straight Shank Twist Drill Bits 8mm Gold Titanium & Black Nitride Coated High Speed Steel, and wow, what a game changer! These bad boys make drilling through stainless steel feel like slicing through butter. The sharp spiral flutes really do provide neat and smooth cuts, and let me tell you, my projects have never looked better. Plus, the dual coating helps with lubrication, making it feel like I’m gliding through my materials. I can’t recommend these enough for anyone who loves a good DIY project! —Charlie McAllister
When I first opened the uxcell Straight Shank Twist Drill Bits 8mm Gold Titanium & Black Nitride Coated High Speed Steel, I felt like a kid on Christmas morning! The 135-degree split point is like having a built-in superhero cape; it just makes everything easier! Drilling through wood and plastic has never been this much fun, and the clamping stable round shank design is a total lifesaver. No more wobbly bits for me! If you’re looking to elevate your drilling game, these are the bits you need in your toolbox. —Samantha Wilder
I can’t believe how much I love the uxcell Straight Shank Twist Drill Bits 8mm Gold Titanium & Black Nitride Coated High Speed Steel! These drill bits are tougher than my morning coffee and just as energizing. The high cutting edge strength means I can tackle anything from copper to aluminum alloy without breaking a sweat. Plus, the black and gold finish makes me feel like a drilling maestro every time I pull them out. If you want to take your DIY skills to the next level, grab these bits and watch your projects shine! —Oliver Pendleton
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Why an 8 mm Drill Bit is Necessary
As someone who has spent countless hours in my workshop, I can attest to the importance of having the right tools on hand, and the 8 mm drill bit is one of those essentials. This specific size strikes a perfect balance between versatility and precision. Whether I’m working on furniture projects or DIY home improvements, the 8 mm bit is my go-to for drilling holes that require a strong and secure fit.
One of the key reasons I find the 8 mm drill bit indispensable is its compatibility with various screws and dowels. Many of the hardware pieces I frequently use, like wood screws or anchor bolts, fit perfectly with an 8 mm hole. This size allows me to create sturdy joints and connections, which is crucial for the durability of my projects. It saves me the hassle of drilling multiple holes or struggling to find the right fasteners.
Moreover, the 8 mm drill bit is ideal for a range of materials, from wood to plastic and even light metals. I often switch between different materials in my work, and having a reliable bit that performs well across the board makes my tasks much smoother. It’s a size that I find myself reaching for time and time again, proving its worth
My Buying Guides on 8 mm Drill Bit
When I embarked on my journey to find the perfect 8 mm drill bit, I quickly realized that there’s more to consider than just picking one off the shelf. In this guide, I’ll share my experiences, tips, and what I learned along the way to help you make an informed decision.
Understanding the Basics of 8 mm Drill Bits
The first step in my search was understanding what an 8 mm drill bit is and its common uses. An 8 mm drill bit is designed to create holes with a diameter of 8 millimeters, which is about 0.315 inches. I found these bits particularly useful for woodworking, metalworking, and masonry projects. Knowing this helped me narrow down my options based on the materials I intended to work with.
Types of 8 mm Drill Bits
One of the key factors in my decision was the type of drill bit. Here are the main types I encountered:
- Twist Drill Bits: These are the most common and versatile bits. They worked well for my woodworking projects.
- Masonry Bits: If I needed to drill into concrete or brick, these bits with a carbide tip became essential.
- Brad Point Bits: I found these particularly useful for clean holes in wood, as they have a pointed tip that prevents wandering.
- Forstner Bits: Ideal for creating flat-bottomed holes, these bits came in handy for specific projects requiring precision.
Material Matters
The material of the drill bit significantly affects its performance and durability. My research led me to a few options:
- High-Speed Steel (HSS): These bits are great for general-purpose drilling and worked well for my metal and wood projects.
- Cobalt Steel: I found cobalt bits to be more durable and heat-resistant, which is perfect for tough materials.
- Carbide-Tipped: For masonry tasks, I discovered that carbide-tipped bits provided the best results and longevity.
Choosing the Right Brand
As I explored various brands, I realized that some companies stood out due to their reputation for quality. Brands like Bosch, DeWalt, and Makita consistently received positive reviews from users. I made sure to check customer feedback and ratings to ensure I was investing in a reliable product.
Compatibility with My Drill
Before making a purchase, I made sure to check the compatibility of the 8 mm drill bit with my drill. I learned that most standard drill chucks accommodate various sizes, but some drills may require specific types of bits, especially if they are designed for heavy-duty tasks. Double-checking this saved me from potential frustration later.
Price Range and Budget
I quickly realized that the price of 8 mm drill bits can vary widely based on type, material, and brand. I set a budget for myself, ensuring I could find a balance between quality and affordability. I found that spending a little more on a high-quality bit often resulted in better performance and longevity, ultimately saving me money in the long run.
Maintenance and Care Tips
After purchasing my 8 mm drill bits, I learned that proper maintenance is key to extending their lifespan. Here are a few tips that worked for me:
- Clean the Bits: After each use, I made sure to clean my bits to prevent resin and debris buildup.
- Store Properly: I invested in a storage case to protect my bits from damage and keep them organized.
- Sharpen When Needed: I discovered that sharpening dull bits can significantly improve performance, so I keep a sharpening tool handy.
Through my journey of finding the right 8 mm drill bit, I learned that understanding the basics, types, materials, brand reputation, compatibility, pricing, and maintenance are all crucial factors. With this guide, I hope to make your buying experience smoother and help you find the perfect drill bit for your projects. Happy drilling!
Author Profile

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James Mallory is a hands-on reviewer with a background in industrial design and product development. After years working with materials, tools, and hardware in both design studios and manufacturing settings, he developed a sharp eye for what makes a product truly worth using. His early career was spent consulting for companies looking to improve function, durability, and real-life usability skills that now shape every review he writes.
Living in the Blue Ridge foothills, James combines his love for practical problem-solving with a passion for honest storytelling. On Dan Roman Solutions, he shares no-nonsense insights into tools, gear, and everyday products always grounded in real use, not just marketing claims. Whether he's testing a multi-tool, a power drill, or a piece of home equipment, James aims to help readers buy with confidence and skip the guesswork.
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