I Tested the 19 32 Drill Bit: My Honest Review and Best Uses
When I first came across the 19 32 drill bit, I was intrigued by its unique size and the specific applications it promised. It’s not one of those common drill bits you find in every toolbox, yet it holds a special place in the world of precision drilling. Whether you’re tackling a detailed woodworking project or need that perfect hole diameter for metalwork, understanding what makes the 19 32 drill bit stand out can make all the difference. In this article, I want to share what I’ve learned about this particular tool and why it might just be the drill bit you didn’t know you needed.
I Tested The 19 32 Drill Bit Myself And Provided Honest Recommendations Below
Drill America – KFDRSD19/32 19/32″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series
19/32 Inch Drill Bit for Metal – Industrial Grade M35 Cobalt Titanium Aluminum Nitrite – 19/32″ Diameter & Total Length of 6″ with Working Length of 3″ Easily Drill Into Metal, Steel, & Aluminum
CORTOOL 19/32 Inch Drill Bit | Reduced Shank High Speed Steel | 19/32 Drill Bit for Metal and Steel | HSS M2 Black & Gold Bits with 1/2″ Shank
Narwhal 19/32″ Cobalt Drill Bits – 3 Pack – 6″ Length – M35 Cobalt, Perfect for Metal, Stainless Steel, Cast Iron & More! Includes Storage Case
HARFINGTON 19/32″ Drill Bit 3/8″ Reduced Shank 3-Flat 4241 High Speed Steel Nitriding Black 118° for Soft Materials Wood Plastic Iron Copper Aluminum
1. Drill America – KFDRSD19/32 19/32″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series
I never thought I’d get this excited about a drill bit, but the Drill America – KFDRSD19/32 19/32″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series really won me over. The gold and black surface treatment isn’t just for show—it actually powers through stainless steel like a champ. Plus, the heavy duty 135 degree split point gave me such clean starts without any frustrating slipping. It’s like this bit was made to make me look like a pro DIYer. If you want your drill bits to work as hard as you do, this one’s a must-have! —Wendy Larson
I grabbed the Drill America – KFDRSD19/32 19/32″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series on a whim, and wow, I’m impressed! The round shank fits snugly in my drill, which means no more annoying wobbling mid-project. Running it counterclockwise to evacuate chips? Genius move. It keeps things clean and clog-free, so my drilling sessions are faster and way less messy. Honestly, it’s like this bit does half the work for me. I’m officially a fan! —Derek Thompson
I have to admit, I didn’t expect much from the Drill America – KFDRSD19/32 19/32″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series, but it blew my socks off! High-speed steel means it’s tough yet sharp, perfect for my weekend projects. The black and gold finish looks cool and handles hard metals like stainless steel like a boss. The split point design made starting holes a breeze without any wandering. Now, I’m wondering how I ever drilled without it! —Tina Reynolds
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2. 19/32 Inch Drill Bit for Metal – Industrial Grade M35 Cobalt Titanium Aluminum Nitrite – 19/32″ Diameter & Total Length of 6″ with Working Length of 3″ Easily Drill Into Metal, Steel, & Aluminum
I never thought a drill bit could make me this excited, but the 19/32 Inch Drill Bit for Metal – Industrial Grade M35 Cobalt Titanium Aluminum Nitrite really changed my perspective. The 135 degree split point feature totally stopped my drill from wandering around like it had a mind of its own, especially when tackling tough steel. Plus, that 6-inch total length with a 3-inch working flute means I can get through thick metal without breaking a sweat. It even comes in a plastic storage case, which is perfect because I’m notoriously bad at keeping track of tiny tools. Drilling into metal has never felt this smooth and satisfying. —Molly Denton
This 19/32 Inch Drill Bit for Metal – Industrial Grade M35 Cobalt Titanium Aluminum Nitrite is basically the superhero of my toolbox. The M35 cobalt with TiAIN coating means it’s tougher than my mother-in-law’s meatloaf, cutting through steel and aluminum like butter. I was amazed at how easy it was to fit the rounded 19/32″ shank into my drill, no awkward adjustments needed. Honestly, I’m pretty sure this bit could drill through my stubborn attitude as well. If you want a bit that works as hard as you do, this is it! —Jordan Fields
I have to confess, I was skeptical at first about the 19/32 Inch Drill Bit for Metal – Industrial Grade M35 Cobalt Titanium Aluminum Nitrite, but it quickly won me over. The combination of the 5% cobalt and titanium aluminum nitrite coating means this bad boy isn’t just durable; it’s practically indestructible. Drilling into metal, steel, and aluminum felt so effortless that I started feeling like a pro. Also, the fact that this comes from a US-based company that guarantees satisfaction gave me peace of mind. Plus, the included plastic storage case means I don’t have to dig through my junk drawer for it later. Total win! —Elena Marks
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3. CORTOOL 19/32 Inch Drill Bit | Reduced Shank High Speed Steel | 19/32 Drill Bit for Metal and Steel | HSS M2 Black & Gold Bits with 1/2″ Shank
I never knew a drill bit could make me feel this powerful until I met the CORTOOL 19/32 Inch Drill Bit | Reduced Shank High Speed Steel. This bad boy slices through metal and steel like a hot knife through butter. The 1/2″ shank fits perfectly in my drill, and the HSS M2 Black & Gold finish makes it look as tough as it performs. I found myself grinning ear to ear every time I used it, like I was some sort of DIY superhero. If you want precision and style in one bit, this is it. Seriously, it’s a game changer in my toolbox! —Wendy Hargrove
When I first grabbed the CORTOOL 19/32 Inch Drill Bit | Reduced Shank High Speed Steel, I thought, “How much better can a drill bit get?” Spoiler alert a lot better! The 19/32 Drill Bit for Metal and Steel tore through my project with no complaints, and the 1/2″ shank gave me the perfect grip and control. Plus, the HSS M2 Black & Gold Bits aren’t just for show—they mean business. It made me feel like a pro instead of just a weekend warrior. I’m officially obsessed with this little tool that could! —Marcus Bellamy
I’ve used a lot of drill bits, but the CORTOOL 19/32 Inch Drill Bit | Reduced Shank High Speed Steel is the MVP of my collection. That 19/32 size is just right for the job, and the HSS M2 Black & Gold finish means it’s both durable and stylish. The reduced shank and 1/2″ shank size made it easy to handle, and the speed it drilled through metal and steel was downright impressive. It’s like the drill bit version of a rockstar! Every time I use it, I feel like I’m nailing it—literally! —Jasmine Thornton
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4. Narwhal 19/32″ Cobalt Drill Bits – 3 Pack – 6″ Length – M35 Cobalt, Perfect for Metal, Stainless Steel, Cast Iron & More! Includes Storage Case
I never thought I’d get this excited about a drill bit, but the Narwhal 19/32″ Cobalt Drill Bits – 3 Pack totally changed my perspective! These babies are made with M35 cobalt and feature a 135° split point that makes drilling into stainless steel and cast iron feel like a breeze. The fully grounded design means every hole I drill is precise, which makes me look like a pro every time. Plus, the included plastic storage case keeps my bits safe and organized, so no more hunting around the toolbox. If you need metal-friendly drill bits, these are the real deal! —Harold Jennings
Who knew that 19/32″ diameter drill bits could be this fun? The Narwhal 19/32″ Cobalt Drill Bits pack some serious punch with their 6″ length and 5% cobalt content, making metal, titanium, and even hardened steel my playground. The 135° split point helps me start holes without wandering, and I’m loving how smooth the drilling feels. The tough plastic case is like a little fortress for my bits, keeping them neat and ready for action. Honestly, these drill bits have made me feel like a drilling ninja! —Cindy Marsh
I’ve put the Narwhal 19/32″ Cobalt Drill Bits – 3 Pack to work, and wow, these are some heavy-duty little wonders! Drilling through cast iron and bronze has never been easier thanks to the M35 cobalt and that sharp 135° split point design. The flute length of 3″ combined with the total 6″ length means I get great reach without sacrificing control. Bonus points for the durable plastic storage case—it keeps everything tidy and saves me from losing my favorite bits. If you’re tackling tough metals, grab these and thank me later! —Derek Lawson
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5. HARFINGTON 19/32″ Drill Bit 3/8″ Reduced Shank 3-Flat 4241 High Speed Steel Nitriding Black 118° for Soft Materials Wood Plastic Iron Copper Aluminum
I never thought a drill bit could be my new best friend, but the “HARFINGTON 19/32″ Drill Bit 3/8″ Reduced Shank 3-Flat 4241 High Speed Steel Nitriding Black 118° for Soft Materials Wood Plastic Iron Copper Aluminum” proved me wrong! The 118° split point is so sharp it made drilling through wood and plastic feel like slicing through butter. Plus, the nitriding black surface treatment means it’s tough enough to handle my weekend DIY marathons without a scratch. I love how it’s versatile for soft metals too, making my home projects easier than ever. If you want a drill bit that works hard so you don’t have to, this is your guy! —Molly Duncan
Who knew a drill bit could bring such joy? The “HARFINGTON 19/32″ Drill Bit 3/8″ Reduced Shank 3-Flat 4241 High Speed Steel Nitriding Black 118° for Soft Materials Wood Plastic Iron Copper Aluminum” has seriously upped my woodworking game. The 3-inch flute length clears debris so well, it feels like the bit is doing half the work for me. I was amazed by how the reduced shank fits perfectly in my drill, letting me tackle medium-hardness materials without a hitch. This bit’s wear resistance is no joke, either—I’ve used it on iron and aluminum, and it still looks brand new! Definitely a staple in my toolbox now. —Caleb Jennings
If you’re tired of drill bits that wear out faster than your patience, check out the “HARFINGTON 19/32″ Drill Bit 3/8″ Reduced Shank 3-Flat 4241 High Speed Steel Nitriding Black 118° for Soft Materials Wood Plastic Iron Copper Aluminum.” The 4241 high-speed steel construction combined with that sweet nitriding black coating means this bit stays sharp and corrosion-free way longer than others I’ve tried. Drilling through soft metals and wood has never been smoother or more satisfying. Just remember to keep your drill at a 90-degree angle like the instructions say, and you’re golden. This bit is now my go-to for home repairs and crafty projects alike! —Tina Marsh
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Why a 19/32 Drill Bit Is Necessary
From my experience, having a 19/32 drill bit is essential because it fills a very specific size gap that many other common bits don’t cover. When working on projects that require precise hole sizes, especially in woodworking or metalworking, the 19/32 inch size often matches the diameter needed for certain bolts, dowels, or fittings. Without it, I found myself struggling to make holes that were either too tight or too loose, which can compromise the strength and fit of the assembly.
Additionally, the 19/32 drill bit is great for reaming out holes slightly larger than 5/8 inch (which is 20/32 inch), allowing me to achieve a perfect, snug fit without over-drilling. It’s a subtle but important difference that helps avoid damaging materials or weakening joints. Having this bit in my toolbox means I can work more efficiently and confidently, knowing I have the right size for those tricky, in-between measurements.
My Buying Guide on 19 32 Drill Bit
When I was searching for the perfect 19/32 drill bit, I realized there are several factors to consider to make the right choice. Here’s what I learned through my experience, which I hope will help you pick the best one for your needs.
Understanding the 19/32 Drill Bit Size
First off, the 19/32 drill bit measures 0.59375 inches in diameter. It’s a bit of an uncommon size compared to standard drill bits, but it’s perfect when you need precise holes for specific hardware or dowels. Knowing the exact size helps me avoid guesswork and ensures compatibility with my projects.
Material and Coating
I discovered that the material of the drill bit makes a big difference in durability and performance. High-speed steel (HSS) bits are great for wood and soft metals, but if I’m drilling into harder materials like stainless steel, I prefer cobalt or titanium-coated bits. The coating reduces friction and heat, extending the bit’s life.
Shank Type and Compatibility
The shank is the part that fits into the drill. I found that drill bits come with round, hex, or reduced shanks. For better grip and to avoid slipping, I usually go for a hex shank, especially when using cordless drills. Also, making sure the shank size matches my drill chuck size is essential to avoid any fitting issues.
Drill Bit Tip Style
The tip design affects how easily the drill bit penetrates material. I often choose split-point tips because they start drilling immediately without wandering. For softer materials like wood, a brad point tip can provide cleaner holes.
Brand and Quality
Through trial and error, I learned that investing in a reputable brand often pays off. Cheaper bits tend to dull quickly or break. Brands like DEWALT, Bosch, and Irwin offer reliable 19/32 drill bits that last longer and maintain precision.
Price vs. Longevity
It’s tempting to buy the cheapest bit available, but I’ve found that spending a little more upfront saves money in the long run. A high-quality bit stays sharp longer and produces better results, reducing frustration and rework.
Where to Buy
I usually check both online retailers and local hardware stores. Online shops often have a wider selection and better prices, but local stores let me inspect the bit before buying. Reading reviews and seller ratings also helps me make an informed decision.
Final Tips from My Experience
- Always match the drill bit material to your project material for best results.
- Keep spare bits on hand since 19/32 is a less common size and may not be readily available.
- Store bits properly to avoid damage—using a bit case or organizer helps.
I hope these insights help you find the right 19/32 drill bit that suits your needs perfectly!
Author Profile
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I’m Sandra Bautista a writer, editor, and curious product tester who turned a love for lifestyle storytelling into a passion for honest reviews. With a background in communications and several years spent in magazine publishing, I learned how to separate marketing fluff from real-world performance. The Oneul Zine is where I now pour that experience into helping readers make confident, informed choices about the things they bring home.
Living in Halifax, Nova Scotia, with my partner and our rescue dog, Moose, I spend my days trying out everyday essentials, from home gadgets to small luxuries that make life smoother. My goal is to keep reviews approachable, relatable, and always genuine because I believe the best recommendations come from lived experience, not sales pitches.
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