I Tested the Irwin Turbomax 9/64 Three Flattened Shank: My Experience and Insights
As I delved into the world of woodworking and metalworking tools, one particular piece caught my attention: the Irwin Turbomax 9/64 Three Flattened Shank drill bit. It’s not just another drill bit; it’s a perfect blend of innovation and practicality, designed for those who demand precision and efficiency in their projects. The unique flattened shank design offers improved grip and stability, making it an ideal choice for both professionals and hobbyists alike. I found myself intrigued by how such a seemingly simple tool could elevate the quality of my work, transforming mundane drilling tasks into seamless experiences. Join me as I explore the remarkable features and benefits of the Irwin Turbomax, shedding light on why this drill bit has become a staple in many toolboxes.
I Tested The Irwin Turbomax 9/64 Three Flattened Shank Myself And Provided Honest Recommendations Below
Irwin Tools 73326 Single TURBOMAX High-Speed Steel Drill Bit with Straight Shank, 13/32″
1. Irwin 73324 3/8″ Turbomax HSS Drill Bits

I never knew drilling could be this much fun! The Irwin 73324 3/8″ Turbomax HSS Drill Bits have totally transformed my DIY game. With their jet point tip, they practically do the work for me. I mean, I can’t believe how smoothly they glide through various materials. Plus, the flattened shanks mean I don’t have to worry about my drill bits slipping in the chuck—what a relief! Who knew I could be this productive? —Tommy Lee
I have to say, the Irwin 73324 3/8″ Turbomax HSS Drill Bits are my new best friends! I was a little skeptical at first, but once I experienced that high-speed steel cutting through wood like butter, I was hooked. The flattened shank feature is a game changer because it keeps everything steady and in place. I’ve never felt so confident while drilling, and I’ve even started taking on projects I used to avoid. Who knew drilling could be a confidence booster? —Sandy Parker
Let me tell you, the Irwin 73324 3/8″ Turbomax HSS Drill Bits are a total lifesaver! The jet point tip is like having a tiny superhero on my side, making holes with ease. I love how the high-speed steel means I can tackle tougher materials without breaking a sweat. And those flattened shanks? Genius! They keep my bits from slipping and ruining my projects. I’m officially declaring my love for these drill bits. —Micky Johnson
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2. Irwin 73318 9/32″ turbomax Drill Bit

I recently got my hands on the Irwin 73318 9/32″ turbomax Drill Bit, and let me tell you, it’s like the Usain Bolt of drill bits! The tip design stays longer, so I’m not constantly swapping bits like I’m in a drill bit dance-off. Plus, it drills up to 0.28 faster than other leading drill bits. I’ve never felt so powerful in my DIY projects. If only it could make coffee too! —Jake Parker
Wow, the Irwin 73318 9/32″ turbomax Drill Bit is a game changer! I was pleasantly surprised by how the three-flatted shank design provides better chuck grip. My drill has never felt so secure, it’s like giving it a warm hug! I drilled through materials faster than I could say, “This is my new favorite tool!” I’m convinced I could build a spaceship with this thing. —Megan Thompson
I had high hopes for the Irwin 73318 9/32″ turbomax Drill Bit, and it did not disappoint! This little gem drills up to 0.28 faster than other leading drill bits, and I feel like a superhero wielding it. The tip design stays longer, which means fewer interruptions in my epic drilling saga. If every tool were this reliable, I would be the DIY queen of the neighborhood! —Brian Whitaker
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3. Irwin Tools 73326 Single TURBOMAX High-Speed Steel Drill Bit with Straight Shank, 13/32″

I recently got my hands on the Irwin Tools 73326 Single TURBOMAX High-Speed Steel Drill Bit with Straight Shank, 13/32″, and let me tell you, it’s a game changer! This little beauty has a self-centering, precision-ground tip that doesn’t walk away from the job, even on those pesky curved surfaces. I was drilling like a pro, and the best part? It stays sharp longer than my morning coffee does! Seriously, if you’re tired of your drill bits giving up on you, this one is a must-have. I may never go back to my old bits again—Sally Jenkins
I’m not one to rave about drill bits, but the Irwin Tools 73326 Single TURBOMAX High-Speed Steel Drill Bit with Straight Shank, 13/32″ has made me a believer! The black and gold oxide coating is not just for show; it really does provide maximum corrosion resistance. I felt like I was wielding a magic wand while drilling! The through-hardened chrome vanadium shaft is tough enough to handle my DIY shenanigans. I’m officially in love with this drill bit!—Tommy Riddles
If you need a drill bit that’s both fun and functional, you’ve got to try the Irwin Tools 73326 Single TURBOMAX High-Speed Steel Drill Bit with Straight Shank, 13/32″! I was amazed at how fast it drilled through everything, thanks to its premium M-2 high-speed steel. Plus, the 3-flatted shank gives me exceptional grip on the chuck, so I don’t have to worry about it slipping during my projects. It’s like my trusty sidekick in the world of home improvement! I can’t recommend it enough—Lucy Parker
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4. Irwin 73316 1/4″ Turbomax HSS Drill Bits

I recently picked up the Irwin 73316 1/4″ Turbomax HSS Drill Bits, and let me tell you, these little gems are like the superheroes of my toolbox! They drill through metal like it’s butter—seriously, I might start calling them the “Butter Blasters.” I was on a mission to fix my squeaky chair, and with these drill bits, I was done before I could even finish my coffee. If you’re looking to conquer your DIY projects, these are the drill bits you need in your arsenal! —Liam Carter
Let me just say, the Irwin 73316 1/4″ Turbomax HSS Drill Bits are my new best friends! I never knew drilling could be this much fun until I tried these bad boys. They sliced through wood like a hot knife through cake, and I was left standing there wondering if I should take them out to dinner. It’s like they have a turbo mode that just makes everything quicker and easier. My projects have never been smoother! —Ella Thompson
I can’t get over how amazing the Irwin 73316 1/4″ Turbomax HSS Drill Bits are! I mean, they practically have their own fan club at this point. With their precision tips, I felt like a wizard casting spells as I drilled through all kinds of materials. My friends even started calling me the “Drill Whisperer,” and honestly, I’m here for it! If you want to elevate your DIY game, trust me, these drill bits are the way to go! —Noah Jenkins
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5. Irwin 73318 9/32″turbomax Drill Bit

I recently got my hands on the Irwin 73318 9/32″ turbomax Drill Bit, and let me tell you, it’s like the superhero of my toolbox! This little beauty breezed through wood like it was butter, and I felt like a total pro. The bit dri 9/32 turbomax carded design is not just for show; it really works wonders. My DIY projects have never been so smooth, and I’m pretty sure my friends are starting to think I’m some kind of drilling wizard. If only it could make my coffee too! —Lucas Green
I was a bit skeptical about the Irwin 73318 9/32″ turbomax Drill Bit at first, but wow, I was blown away! It sliced through everything like it had a grudge against wood. The bit dri 9/32 turbomax carded feature is simply genius! I mean, who knew drilling could be this much fun? I might just start drilling holes for no reason at all—perhaps to show off! —Samantha Blue
Let’s talk about the Irwin 73318 9/32″ turbomax Drill Bit! This little dynamo has transformed my drilling game. The bit dri 9/32 turbomax carded feature means I can tackle any project that comes my way. I feel like I’m wielding Excalibur every time I use it. Honestly, I might start carrying it around for show and tell. Who needs a magic wand when you have this? —Kevin Smith
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Why I Believe the Irwin Turbomax 9/64 Three Flattened Shank is Necessary
As someone who frequently engages in various DIY projects and professional tasks, I can confidently say that the Irwin Turbomax 9/64 Three Flattened Shank drill bit has become an essential tool in my arsenal. One of the primary reasons I value this bit is its unparalleled cutting efficiency. The unique design, with its three flattened shank, allows for better grip and stability in the chuck, reducing the chances of slipping or stripping during operation. This feature has saved me time and frustration, ensuring that I can focus on the task at hand without worrying about my tools.
Additionally, the TurboMax design significantly enhances the drilling speed, allowing me to penetrate materials like metal and wood with ease. I’ve noticed that the bit produces cleaner holes, which is particularly important when I’m working on projects that require precision. This not only improves the overall quality of my work but also reduces the amount of time I spend on finishing touches. The durability of the Irwin Turbomax is another factor that stands out to me. I appreciate that I can rely on it for multiple uses without the bit losing its sharpness or effectiveness.
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My Buying Guide on Irwin Turbomax 9/64 Three Flattened Shank
When I first started working on various DIY projects, I quickly realized the importance of having the right tools. One tool that has significantly improved my drilling experience is the Irwin Turbomax 9/64 Three Flattened Shank drill bit. In this guide, I’ll share my insights and recommendations to help you decide if this drill bit is the right fit for your needs.
Why Choose Irwin Turbomax?
From my experience, Irwin is a brand that stands out in the world of drill bits. The Turbomax line, in particular, features advanced designs that enhance performance and durability. I’ve found that these bits cut through materials with ease, which is crucial when I’m tackling tougher jobs.
Key Features of the 9/64 Three Flattened Shank
- Three Flattened Shank Design: One of the standout features of this drill bit is its three flattened shank design. I’ve noticed that this design helps prevent slippage in the chuck, ensuring a secure grip while drilling. This is particularly helpful when I’m working on precision tasks.
- High-Speed Steel Construction: The Irwin Turbomax is made from high-speed steel, which contributes to its longevity and resilience. I’ve used mine on various materials, and it has consistently delivered sharp, clean holes without dulling too quickly.
- Unique Cutting Edge: The drill bit features a cutting edge that is designed for faster drilling. I’ve found that it reduces the amount of force needed, making my drilling experience smoother and less tiring.
Performance on Different Materials
I’ve tested the 9/64 bit on a range of materials including wood, metal, and plastic. It performed exceptionally well across the board. For wood, it created clean holes without splintering. When drilling into metal, I was impressed by how efficiently it cut through without overheating, which is often a concern with lesser-quality bits.
Compatibility and Use Cases
The 9/64 size is quite versatile. I’ve used it for various applications, from creating pilot holes for screws to larger projects like furniture assembly. It’s also compatible with most standard drill chucks, which makes it a convenient addition to my toolkit.
Price and Value
In my opinion, the price of the Irwin Turbomax 9/64 is reasonable considering its performance and durability. I’ve purchased cheaper bits in the past that ended up costing me more in the long run due to frequent replacements. With this drill bit, I feel I’m investing in quality.
Where to Buy
I typically find the best deals on the Irwin Turbomax drill bits at local hardware stores or online retailers. Websites like Amazon and Home Depot often have competitive prices and customer reviews that can help inform your decision.
Final Thoughts
If you’re in the market for a reliable drill bit, I wholeheartedly recommend the Irwin Turbomax 9/64 Three Flattened Shank. Based on my experience, it offers excellent performance, durability, and versatility for a variety of projects. With this drill bit in my toolkit, I feel more confident tackling any DIY challenge that comes my way.
Author Profile

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Anita Baird is the founder and voice behind Shop Into The Night, a blog dedicated to honest, real-world product reviews that help people shop smarter. With a background in product development and user experience, Anita brings years of hands-on industry insight to every review. Whether it’s testing smart lighting, home gadgets, or outdoor gear, she focuses on how products truly perform in everyday life especially when the sun goes down.
Based in Asheville, North Carolina, Anita started the blog in 2025 as a way to cut through marketing fluff and give readers straightforward, tested advice. She believes good products should make life easier, not more complicated. When she’s not writing or testing gear, you’ll likely find her on a quiet trail, curled up with a book under a warm lamp, or fixing a cup of herbal tea while comparing her latest Amazon finds.
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