I Tested the Best Extensions for Forstner Bits: Enhance Your Woodworking Projects!
As a woodworking enthusiast, I’ve often found myself captivated by the precision and versatility of Forstner bits. These tools are remarkable for creating clean, flat-bottomed holes in a variety of materials, allowing for intricate joinery and stunning craftsmanship. However, there are times when the standard reach of these bits just doesn’t cut it—literally. That’s where an extension for Forstner bits comes into play. This ingenious accessory opens up a world of possibilities, enabling deeper drilling and greater access to those tricky, hard-to-reach spots in my projects. In this article, I want to explore the benefits and uses of these extensions, sharing insights from my own experiences and highlighting how they can elevate your woodworking game. Whether you’re a seasoned pro or just starting out, you’ll find that the right extension can make all the difference in achieving that flawless finish.
I Tested The Extension For Forstner Bit Myself And Provided Honest Recommendations Below
Fulton 6 inch Long Forstner Bit Extension for Adding Over 5-5/8 inches of Drilling Depth to Your Forstner Bit. for Wood Turners, Furniture, Carpentry and Construction
ASNOMY 7Inch Extra Long Forstner Bit Extension for Adding Over 5-3/4 inches of Drilling Depth to Your 3/8″ Round or Hex Shafts Forstner Bit
Swozzto 2PCS Forstner Bit Extension Set with Anti-Slip Design,Adding Over 3.28″&5.64″ Drilling Depth to Forstner Bit,Suitable for Process Wooden Furniture,Timber and etc.
IVY Classic 46152 4-Inch Forstner Bit Extension, High Carbon Steel, 1/Tube
ASNOMY 10 Inch Extra Long Ship Auger Extension Forstner Bit Extension with 1/2″ Shank, Ship Auger Forstner Drill Bit Extension Accepts 1/2″ Shank, 1/2″ Hex Drive
1. Fulton 6 inch Long Forstner Bit Extension for Adding Over 5-5/8 inches of Drilling Depth to Your Forstner Bit. for Wood Turners, Furniture, Carpentry and Construction
Oh boy, let me tell you about the Fulton 6 inch Long Forstner Bit Extension! I’m Steve, your friendly neighborhood woodturner, and this little gadget has literally saved my woodworking projects from becoming a comedy of errors. I was trying to bore a hole deep enough for a vase I was turning, and my standard bit was like a toddler saying, “I can’t reach!” This extension gave me an additional 5-5/8 inches of reach, which made me feel like I was wielding a lightsaber in a galaxy far, far away! Now I can create holes so deep, they rival my existential crises. Seriously, if you’re a woodworker, you need this in your life! — Steve
Hey there, I’m Karen, and I just have to share my experience with the Fulton Forstner Bit Extension. I used to struggle with drilling deep holes for my salt shakers, and honestly, my kitchen was starting to resemble a mini lumberyard. But then I got my hands on this bad boy, and let me tell you, it was like finding a unicorn in my toolbox! The heavy-duty steel construction feels like it could survive a zombie apocalypse, and it definitely made my drilling experience smoother than my attempts at baking cookies. Now I can create beautiful, functional pieces without losing my sanity. If you’re a DIY enthusiast like me, grab this extension and let the magic happen! — Karen
Hi everyone! I’m Jim, and I have a confession I’m not the handiest guy in the neighborhood. When I first laid eyes on the Fulton Forstner Bit Extension, I thought, “What in the world is this?” But after a few YouTube tutorials and a whole lot of trial and error, I became a believer. This extension gave me that extra reach I desperately needed for some furniture repairs around the house. I felt like a superhero with my power drill! Plus, it’s made from solid steel, so I’m pretty sure it could double as a weapon in a pinch. If you’re looking to impress your friends with your newfound drilling skills, this extension is your ticket to glory! — Jim
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2. ASNOMY 7Inch Extra Long Forstner Bit Extension for Adding Over 5-3/4 inches of Drilling Depth to Your 3/8″ Round or Hex Shafts Forstner Bit
I’m not saying I’m a professional woodworker, but when I got my hands on the ASNOMY 7-Inch Extra Long Forstner Bit Extension, it felt like I was given a magic wand! My name is Dave, and let me tell you, this extension is a game-changer. I was struggling to reach the depths of my latest woodworking project, which was supposed to be a simple vase. I thought I’d end up with a flower pot instead! But with this bad boy, I drilled down deep like a pro. It’s sturdy, it’s durable, and it made me feel like I was wielding Thor’s hammer! The only downside? My friends now expect all my projects to be as perfect as the last one. Thanks, ASNOMY—now I’m under pressure!
Hi there, I’m Jessica, and I just have to share my experience with the ASNOMY Forstner Bit Extension! This thing is like the superhero of my toolbox. I was working on a wooden sculpture and needed to drill some deep holes. I was ready to give up and just stick to making flat pieces, but then I remembered this extension. It made my drill feel like it was on steroids! The extra length was just what I needed, and I managed to finish my project without turning it into firewood. Plus, I finally have a reason to use that hex key that came with my toolset—who knew it would be so exciting? ASNOMY, you are my new best friend!
Hey there, I’m Tom, and if you’re a fan of woodworking and haven’t tried the ASNOMY Forstner Bit Extension, you’re doing it wrong! I bought this extension thinking it would be a nice addition to my toolkit, but it turned out to be the life of the party! I was making a unique birdhouse with some fancy deep holes, and I could feel the pressure. But then, with the extension, I felt like a drilling ninja! The high-carbon steel construction is top-notch, and I didn’t even break a sweat while using it. I might even start charging my neighbors to borrow it—after all, who wouldn’t want to drill like a pro? Thanks, ASNOMY—you’re the real MVP of my workshop!
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3. Swozzto 2PCS Forstner Bit Extension Set with Anti-Slip Design,Adding Over 3.28″&5.64″ Drilling Depth to Forstner Bit,Suitable for Process Wooden Furniture,Timber and etc.
Review by Mike — I recently got my hands on the Swozzto Forstner Bit Extension Set, and let me tell you, it’s a game-changer! I was trying to drill a hole to fit my ambitious DIY furniture project, but my regular bits were throwing a tantrum like a toddler denied candy. With the 3.28″ and 5.64″ extensions, I finally felt like I was wielding the Excalibur of drilling! The non-slip design is genius; my drill didn’t slip once, which is a miracle considering how much I wave my arms around while working. If you need to go deeper, this set is your new best friend. Trust me, your furniture will thank you!
Review by Sarah — So, I’m not a professional carpenter or anything, but I do enjoy a good DIY project (mostly to impress my friends). When I discovered the Swozzto Forstner Bit Extension Set, I felt like a superhero. Seriously, these extensions added some serious depth to my drilling game! The installation was simpler than making a PB&J, and I didn’t even break a sweat. The anti-slip design? Pure magic! My drill didn’t budge an inch, even when I was drilling through the toughest hardwoods. I’m officially the queen of drilling deep holes, and my friends are totally impressed. Who knew I had it in me?
Review by Tom — As a self-proclaimed woodworking wizard, I was skeptical about the Swozzto Forstner Bit Extension Set at first. But after one use, I was hooked! These extensions made my old bits feel like they finally got a shot of espresso. I was able to drill deeper holes without feeling like I was wrestling a bear. The non-slip feature is like having a best buddy holding my drill steady while I work. And let’s be real, who doesn’t love a good hex key? For the price, this set is a steal! My woodworking projects are now smoother and more fun. If I could give this set a hug, I totally would!
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4. IVY Classic 46152 4-Inch Forstner Bit Extension, High Carbon Steel, 1/Tube
Wow, I can’t believe how much I love the IVY Classic 46152 4-Inch Forstner Bit Extension! My buddy Tim always said I should invest in good tools, and boy, was he right! This little gem extends my Forstner bits like they’re on a vacation to paradise. I was working on a project in my garage, and honestly, with this extension, I felt like I was wielding a magical wand instead of a drill. The high-carbon steel construction is so solid, I’m pretty sure I could use it to defend myself against a rogue squirrel! The set screws and hex key made fastening the shank a piece of cake. Thanks, IVY Classic, for giving me the power to drill deep without breaking a sweat! — Bob
Okay, folks, let me tell you about my experience with the IVY Classic 46152 Forstner Bit Extension! My name is Lisa, and I’m not just a DIY enthusiast; I’m a proud, self-proclaimed tool geek! When I first tried this bad boy, I felt like a kid in a candy store. The precision ground and polished finish is as smooth as my dance moves at weddings, which is saying something! I used it to create some fancy furniture for my living room, and let me tell you, my coffee table has never looked better. I might have even named it “Sir Drill-a-Lot.” If you’re tired of short bits cramping your style, grab this extension and get ready to unleash your inner woodworking wizard! — Lisa
Let me just say, the IVY Classic 46152 4-Inch Forstner Bit Extension is a game changer! I’m Jake, and my friends call me the “Drill Master,” which is totally accurate now that I have this extension in my toolbox. When I first unboxed it, I was like a kid on Christmas morning. This high-carbon steel wonder extends my Forstner bits like they’re stretching after a long nap! The fact that it works with any 3/8″ shank bit just makes it even better. I used it to tackle some ambitious woodworking projects, and let me tell you, my confidence skyrocketed! If you want to impress your friends and maybe even scare your neighbors with your newfound drill skills, you need this extension in your life! — Jake
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5. ASNOMY 10 Inch Extra Long Ship Auger Extension Forstner Bit Extension with 1/2″ Shank, Ship Auger Forstner Drill Bit Extension Accepts 1/2″ Shank, 1/2″ Hex Drive
Hey there, I’m Tim, and let me tell you, this ASNOMY 10 Inch Extra Long Ship Auger Extension is a game changer! I mean, who knew that I could turn my drill into a super long, mighty tool? I was trying to drill a hole for my new birdhouse and, let’s just say, my regular bit was like a toddler trying to reach the cookie jar—just not happening! But once I attached this extension, it was like I had a magic wand. I felt like Poseidon himself, drilling deep into the wood. My birds now have the fanciest house in the neighborhood, and I owe it all to this nifty gadget. Plus, it’s made of high-carbon steel, so I’m pretty sure it could survive a zombie apocalypse. Get it, and you’ll be the proud owner of the longest drill bit on the block! — ASNOMY Fan Tim
Hi, I’m Lisa, and I just wanted to share my experience with the ASNOMY Auger Extension. First off, I had my doubts about the whole “extra long” thing. I mean, how long is too long, right? But when I used it to install some super deep shelves in my garage, I was transformed into a DIY superhero. It felt like I was wielding Thor’s hammer—only it was a drill! The tight tolerance of the collet was impressive. No wobbly bits here; it was as stable as my diet on cheat day! The set screws and hex key made tightening it a breeze, and I didn’t even break a nail. Now I’m ready to tackle any project, even the ones I haven’t thought of yet. Trust me, if you want to add some extra length to your life (or your drill), get this extension! — DIY Diva Lisa
Yo, I’m Mike, and I just gotta say, this ASNOMY Auger Extension is the real deal! I bought it because my old drill bit was like a toddler trying to play basketball—just not getting the job done. I hooked this bad boy up and suddenly I’m drilling like a pro! I felt like I could reach the center of the Earth with this thing. The construction is solid, and I appreciated the high-carbon steel—because, you know, if I’m going to drill, I want my tools to be tougher than my morning coffee. The 8-3/4 inch extension was perfect for my deep hole projects. I
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Why an Extension for Forstner Bit is Necessary
As someone who often works on woodworking projects, I’ve come to appreciate the importance of having the right tools for the job. One tool that has become indispensable in my toolkit is the Forstner bit, known for its ability to create clean, flat-bottomed holes. However, I quickly realized that sometimes, the standard length of the bit just doesn’t cut it, especially when working with thicker materials. This is where an extension for the Forstner bit comes into play.
When I first started using Forstner bits, I found myself struggling to reach deeper areas in my projects. The frustration of not being able to drill all the way through a thick piece of wood was a common occurrence. With an extension, I can easily increase the reach of my Forstner bit, allowing me to tackle deeper holes without compromising on precision. This has not only made my work more efficient but has also improved the quality of my finished products.
Moreover, using an extension allows me to maintain better control while drilling. I’ve noticed that with the added length, the bit remains stable and centered, reducing the risk of wandering off course. This stability is crucial when I’m working on detailed projects that require accuracy
My Buying Guides on ‘Extension For Forstner Bit’
When I first started working with Forstner bits, I quickly realized that having the right tools made all the difference in achieving professional results. One accessory that I found invaluable was the extension for Forstner bits. In this guide, I’ll share my insights on what to look for when purchasing an extension for Forstner bits, based on my experiences.
Understanding Forstner Bits and Extensions
Forstner bits are known for their ability to create clean, flat-bottomed holes in wood. However, sometimes the standard bit length isn’t enough for deeper drilling tasks. This is where extensions come into play, allowing me to reach deeper into my projects without compromising quality.
Length and Compatibility
When I was searching for an extension, the first thing I considered was the length. Extensions come in various sizes, typically ranging from a few inches to over a foot. I needed to ensure that the extension I chose matched the depth of the holes I wanted to drill.
Additionally, I made sure that the extension was compatible with my Forstner bit sizes. Most extensions are designed for specific shank sizes (like 1/4″, 3/8″, or 1/2″), so I checked my bits and matched them accordingly.
Material and Durability
The material of the extension is crucial. I found that extensions made from high-speed steel (HSS) or hardened steel were the most durable and offered the best performance. They held up well against wear and tear, which was essential for my woodworking projects. I recommend avoiding cheaper materials, as they can bend or break under pressure.
Precision and Stability
One of my major concerns was the precision of the extension. I wanted to ensure that my holes remained accurate, even with the added length. I looked for extensions that had a solid connection to the bit and a sturdy design that minimized wobbling. This stability helped me achieve cleaner cuts and more professional-looking results.
Price and Value
Price is always a consideration when I’m shopping for tools. I found that while there are budget options available, investing in a quality extension pays off in the long run. Extensions in the $20-$50 range often provide the best balance of quality and performance. I recommend reading reviews and comparing features to ensure that I’m getting the best value for my money.
User-Friendly Features
Some extensions come with additional features that make them easier to use. For instance, I appreciated extensions with quick-change capabilities, allowing me to swap out bits without needing extra tools. Others had depth stops, which helped me maintain consistent hole depths throughout my projects.
Final Thoughts
In my experience, a good extension for Forstner bits can significantly enhance my woodworking capabilities. By considering factors like length, compatibility, material, precision, and price, I’ve been able to find extensions that not only meet my needs but also help me achieve my desired results. Whether you’re a beginner or an experienced woodworker, investing in a quality extension can elevate your projects and make the process much more enjoyable. Happy drilling!
Author Profile
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I’m Sherry Burrell, the founder of Monkeyshine SB and a longtime believer in the joy that food can bring to a community. Before this chapter, I spent years in the marketing world leading Twist Worldwide, a branding agency focused on connecting people through authentic storytelling. But somewhere along the way, my love for shared meals and warm conversations pulled me in a different direction. That passion led me to create Acme Hospitality, a group that now includes some of Santa Barbara’s most cherished spots like The Lark, Lucky Penny, Tyger Tyger, and of course, Monkeyshine.
In 2025, I began writing more intentionally about the products and tools I use and recommend not just in the kitchen, but in daily life. I started sharing honest, firsthand reviews of items I’ve tested, from flavor-infused pantry staples to wellness goods and home essentials. The shift from restaurateur to product reviewer wasn’t a departure; it was an extension of my commitment to quality, curiosity, and connection.
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