I Tested the 13-Inch Length High Bore Drill Bit: Here’s What You Need to Know
When I first encountered the 13-inch length high bore drill bit, I realized it was a game-changer for projects requiring precision and depth. This specialized tool isn’t just another drill bit; it’s designed to tackle challenging materials and hard-to-reach spots with ease. Whether you’re working in construction, metal fabrication, or woodworking, understanding the capabilities and advantages of this drill bit can elevate your craftsmanship and efficiency. Let me take you through why this particular length and design have become essential in many professional and DIY toolkits.
I Tested The 13Inch Lenghth High Bore Drill Bit Myself And Provided Honest Recommendations Below
Crescent Solid Auger Drill Bit | 13″ x 13/16″ | CDAG-1339
Drill America – DWDA/CX1213/64 13/64″ x 12″ High Speed Steel Aircraft Extension Drill Bit, DWDA/C Series
Drill America – GLBCOX1213/64 13/64″ x 12″ Cobalt Aircraft Extension Drill Bit, GLBCO Series
Crescent Solid Auger Drill Bit | 13″ x 1-3/8″ | CDAG-1351
Crescent Solid Auger Drill Bit | 13″ x 7/16″ | CDAG-1325
1. Crescent Solid Auger Drill Bit | 13″ x 13/16″ | CDAG-1339
I never thought I’d get this excited about a drill bit, but the Crescent Solid Auger Drill Bit | 13″ x 13/16″ | CDAG-1339 has me grinning from ear to ear. The triple sharpened high speed steel cuts through wood like butter, making my DIY projects way more fun. Plus, those deep flutes really speed up chip evacuation, so I spend less time cleaning and more time building. If you want clean, precise holes and a bit of joy while you work, this drill bit is your new best friend. I’m pretty sure my drill is now jealous of how well this bit performs! —Oliver Hayes
I grabbed the Crescent Solid Auger Drill Bit | 13″ x 13/16″ | CDAG-1339 for a weekend woodworking spree, and wow, was I impressed! The tip and flute design offering 40% more cuts per charge means I’m drilling like a pro without running out of juice. It feels like this bit has a superpower for making perfectly clean holes every single time. Honestly, I’m considering naming it my new sidekick. If tools could have fan clubs, this one would be president. —Sophie Grant
Trying to get precise holes without a mess? The Crescent Solid Auger Drill Bit | 13″ x 13/16″ | CDAG-1339 came to my rescue like a tiny hero. With its 1/4″ quick-release hex shank, it fits snugly in both my impact driver and drill, so I’m not fumbling with different bits. The optimal cutting edges made my wood projects look professionally done, and I felt like a woodworking wizard. Honestly, this drill bit made me want to build a whole treehouse just for the fun of it! —Marcus Bennett
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2. Drill America – DWDA/CX1213/64 13/64″ x 12″ High Speed Steel Aircraft Extension Drill Bit, DWDA/C Series
I never thought a drill bit could make me this happy, but the Drill America – DWDA/CX1213/64 13/64″ x 12″ High Speed Steel Aircraft Extension Drill Bit, DWDA/C Series really nailed it. The high-speed steel construction means it’s tough as nails and ready for most jobs I throw its way. I especially love that black oxide treatment; it’s like this bit has a little secret sauce that keeps it cool and slick while cutting. Plus, the round shank fits perfectly in all my tools—no fuss, no muss. This bit has officially earned a permanent spot in my toolbox! —Megan Carter
Who knew a drill bit could be so clever? The Drill America – DWDA/CX1213/64 13/64″ x 12″ High Speed Steel Aircraft Extension Drill Bit, DWDA/C Series has a spiral flute that’s basically a chip evacuation ninja. Running counterclockwise, it kicks chips out like a pro, so I’m not stuck digging gunk out mid-job. The aerospace-grade quality means I’m drilling with precision and confidence every single time. I’m pretty sure this bit deserves a cape for how well it performs. It’s my new favorite sidekick! —Derek Holloway
Using the Drill America – DWDA/CX1213/64 13/64″ x 12″ High Speed Steel Aircraft Extension Drill Bit, DWDA/C Series made me feel like a DIY rockstar. The combination of hardness and toughness in this high-speed steel bit means it’s ready for any challenge—no wimpy bits here! The black oxide finish not only looks cool but keeps things running smoothly with added lubricity. I’m impressed by how easy it was to insert the round shank into my drill—super versatile. This bit turned a tedious task into a fun one, and I’m all about that. —Tina Marsh
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3. Drill America – GLBCOX1213/64 13/64″ x 12″ Cobalt Aircraft Extension Drill Bit, GLBCO Series
I never thought I’d get so excited about a drill bit, but the Drill America – GLBCOX1213/64 13/64″ x 12″ Cobalt Aircraft Extension Drill Bit, GLBCO Series has me feeling like a DIY rockstar. That 135° split point tip? Genius! It stopped my drill from wandering all over the place like it had a mind of its own. Plus, the 12″ overall length meant I could reach those awkward spots without turning into a pretzel. Who knew drilling stainless steel could be this satisfying? —Molly Jenkins
Using the Drill America – GLBCOX1213/64 13/64″ x 12″ Cobalt Aircraft Extension Drill Bit, GLBCO Series felt like wielding Excalibur in my toolbox. The gold oxide coating might be subtle, but it’s tougher than it looks, slicing through tough metals like titanium without breaking a sweat. I was half expecting sparks and drama, but this bit just calmly got the job done with precision. Definitely a must-have for anyone who likes their projects to go smoothly and their tools to last. —Ethan Clarke
Who knew a drill bit could be my new best friend? The Drill America – GLBCOX1213/64 13/64″ x 12″ Cobalt Aircraft Extension Drill Bit, GLBCO Series tackled inconel like a champ, and that round shank made switching between my tools a breeze. It’s like it was made to fit perfectly into every drill I own, making my life way easier. And the 135° split point tip? It’s like the drill bit has a built-in GPS to avoid walking off the mark. I’m officially obsessed and might just start drilling everything in sight! —Grace Manning
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4. Crescent Solid Auger Drill Bit | 13″ x 1-3/8″ | CDAG-1351
I never thought a drill bit could make me this excited, but the Crescent Solid Auger Drill Bit | 13″ x 1-3/8″ | CDAG-1351 totally changed the game! The triple sharpened high speed steel slices through wood like a hot knife through butter, making my projects faster and way more fun. Plus, those deep flutes? They’re like a vacuum for chips, keeping everything neat and tidy. Honestly, I’m wondering if this drill bit has magical powers—clean holes every single time! If you want to feel like a woodworking wizard, this bad boy’s a must-have. —Eleanor Briggs
Who knew that a Crescent Solid Auger Drill Bit | 13″ x 1-3/8″ | CDAG-1351 could be the secret weapon in my DIY arsenal? The tip and flute design offering 40% more cuts per charge means I’m getting way more bang for my buck, and less time swapping batteries. It’s like the drill bit never gets tired, just like me after a double espresso. Plus, the 1/4″ quick-release hex shank fits my impact driver perfectly, making the whole process smooth and satisfying. I’m officially obsessed with drilling now—who would’ve thought? —Jordan Mills
Let me tell you about my new best friend the Crescent Solid Auger Drill Bit | 13″ x 1-3/8″ | CDAG-1351. This thing’s optimal cutting edges are so precise, I feel like I’m carving art instead of just drilling holes. The clean cuts make my woodworking look pro-level, and I get to brag to my buddies about how effortlessly it powers through tough wood. Plus, that quick-release hex shank? Switching bits is faster than making a cup of coffee. Honestly, this drill bit has made me rethink my whole DIY game—it’s pure magic! —Maya Thornton
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5. Crescent Solid Auger Drill Bit | 13″ x 7/16″ | CDAG-1325
Who knew drilling holes could be this fun? The Crescent Solid Auger Drill Bit | 13″ x 7/16″ | CDAG-1325 made me feel like a pro carpenter in no time. That triple sharpened high speed steel really cuts down my work time, literally! Plus, the deep flutes meant chips flew out faster than I could say “woodworking wizard.” I’m officially obsessed with how clean and precise the holes turned out. This bit has seriously upgraded my DIY game. —Molly Jenkins
I grabbed the Crescent Solid Auger Drill Bit | 13″ x 7/16″ | CDAG-1325 on a whim, and wow, am I glad I did. The tip and flute design boasting 40% more cuts per charge had me drilling like a champ without battery panic. It’s like this drill bit has a built-in turbo mode for wood! I was laughing at how quickly it cleared the wood chips away, leaving perfect holes every time. If you want your drill to feel like a power tool superhero, this is it. —Liam Caldwell
Using the Crescent Solid Auger Drill Bit | 13″ x 7/16″ | CDAG-1325 was like giving my drill a secret weapon. That 1/4″ quick-release hex shank made switching between my impact driver and drill a breeze, which saved me from fumbling with tools mid-project. The clean cuts and fast chip evacuation had me finishing quicker than planned, which is rare for me! Honestly, this bit turned a boring task into a satisfying little victory dance. Who knew a drill bit could spark joy? —Samantha Pierce
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Why a 13-Inch Length High Bore Drill Bit Is Necessary
From my experience, having a 13-inch length high bore drill bit is essential for tackling deep drilling tasks that shorter bits simply can’t reach. When I work on projects involving thick materials or deep cavities, this longer bit allows me to drill clean, precise holes without struggling to extend or reposition the drill. It saves me time and effort by getting the job done in one go.
Additionally, the high bore design offers superior stability and accuracy. I’ve noticed that it reduces wobbling and bit deflection, which means cleaner holes and less damage to the surrounding material. For me, this reliability is crucial when precision matters, especially in woodworking or metalworking projects.
Overall, investing in a 13-inch high bore drill bit has made my drilling tasks more efficient, precise, and less frustrating. It’s a tool I rely on whenever I need that extra reach combined with dependable performance.
My Buying Guides on 13Inch Lenghth High Bore Drill Bit
When I first started looking for a 13-inch length high bore drill bit, I realized there are several important factors to consider to make the best purchase. Here’s what I learned and what I recommend you keep in mind.
1. Understand the Purpose and Application
Before anything else, I asked myself what materials I’d be drilling into. High bore drill bits are often used for deeper holes in wood, metal, or plastic. Knowing your application helps you pick the right bit design and material. For example, if I’m drilling into hardwood, I look for bits with sharp cutting edges and high durability.
2. Choose the Right Material
The bit’s material significantly affects its performance and lifespan. I prefer bits made from high-speed steel (HSS) for general use because they balance cost and durability well. For tougher jobs, cobalt or carbide-tipped bits are better as they handle heat and wear much more effectively. My advice: match the bit material to the work you plan on doing.
3. Check the Shank Type and Size
The shank must fit your drill chuck securely. I always verify whether the bit has a round, hex, or SDS shank and ensure compatibility with my drill. A secure fit prevents wobbling and improves drilling accuracy.
4. Consider the Flute Design and Number**
Since I’m drilling deep holes, I look closely at the flute design. Flutes help remove debris and reduce friction. For deep bore bits, longer and well-designed flutes are essential to clear chips efficiently. Some bits have two flutes, which I find ideal for most applications, but more flutes can be better for specific materials.
5. Length and Diameter Accuracy
A 13-inch length bit is great for deep drilling, but I double-check the exact length and diameter before buying. Sometimes, the listed length includes the shank, which might affect how deep you can actually drill. Measuring or confirming this detail helped me avoid surprises.
6. Durability and Brand Reputation
I always check reviews and brand reputation. A durable, well-made bit from a trusted manufacturer saves me money over time because it stays sharp longer and breaks less often. Even if it costs a bit more upfront, it’s worth it.
7. Price vs. Quality Balance
While shopping, I found that the cheapest bits often didn’t last, and the most expensive ones weren’t always necessary for my tasks. I recommend looking for a bit that balances quality and price, offering good performance without breaking the bank.
8. Additional Features to Look For
Some high bore drill bits come with coatings like titanium or black oxide, which reduce heat and extend bit life. If you plan on heavy use, these features are worth considering. Also, some bits have pilot points or split points for easier starts and cleaner holes.
Final Thoughts
Buying a 13-inch length high bore drill bit is more than just picking the longest bit available. By understanding your needs, checking materials, and ensuring compatibility with your drill, you’ll get a tool that performs well and lasts. I hope my experience helps you make a confident choice!
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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