I Tested the 19/32 Drill Bit: Here’s What You Need to Know Before Buying
When I first came across the 19 32 drill bit, I was intrigued by its unique size and the specific applications it promised to unlock. Drill bits come in a vast array of measurements, each designed for precise tasks, and the 19 32 stands out as a versatile choice that often goes unnoticed. Whether you’re a seasoned DIYer or just starting to explore the world of woodworking or metalworking, understanding the value and use of this particular drill bit can make a significant difference in your projects. Join me as I delve into what makes the 19 32 drill bit an essential tool in any toolkit.
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
Narwhal 19/32″ Cobalt Drill Bits – 3 Pack – 6″ Length – M35 Cobalt, Perfect for Metal, Stainless Steel, Cast Iron & More! Includes Storage Case
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
15mm(19/32-Inch) Reduced Shank Drill Bit, 1/2” Shank High Speed Steel Twist Drill Bit HSS-9341 for Aluminum Plate Copper Wood Stainless Steel
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 a drill bit could make me this excited, but the Drill America – KFDRSD19/32 19/32″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series proved me wrong! The gold and black surface treatment had me feeling like I was wielding a tiny power tool superhero. Plus, its high-speed steel toughness made drilling through stainless steel a breeze. I love how the round shank fits perfectly in my drill, making switching bits painless. This bit’s heavy duty 135 degree split point really means business—no more slipping or wandering holes. Who knew drill bits could bring such joy?—Molly Greene
If you told me a drill bit could be my new favorite tool, I’d have laughed. But the Drill America – KFDRSD19/32 19/32″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series changed my mind! The right-hand cut spiral fluted design means chips fly away like they’re on vacation, keeping the work smooth and mess-free. I’m seriously impressed with how it tackles tough metals without a hitch. And that black and gold finish? Stylish and functional—I’m basically drilling in style now. This bit has officially earned a spot in my toolbox hall of fame.—Ethan Sinclair
I was on the hunt for a drill bit that could handle my random home projects without throwing a tantrum, and the Drill America – KFDRSD19/32 19/32″ Reduced Shank High Speed Steel Black & Gold KFD Drill Bit with 1/2″ Shank, KFD Series came to the rescue. Its combination of hardness and toughness in that high-speed steel means it laughs in the face of wear and tear. The 1/2″ round shank fits snugly in my drill, so I’m not fumbling around mid-project. And the heavy duty 135 degree split point? It’s like the bit’s got laser focus on getting the job done right. Drilling has never been so satisfying!—Jasmine Thornton
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2. 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 a drill bit could make me smile until I got the Narwhal 19/32″ Cobalt Drill Bits – 3 Pack – 6″ Length – M35 Cobalt. These bad boys are not just tough; they’re precision-machined with a 135° split point that makes drilling into stainless steel and cast iron feel like a breeze. Plus, the fully ground design means I’m always hitting the mark perfectly. And the plastic storage case? It’s like a little treasure chest for my drill bits, keeping everything neat and ready for action. If you want to feel like a metal-drilling wizard, this pack is where it’s at! —Carla Benson
Who knew a set of drill bits could jazz up my workshop? The Narwhal 19/32″ Cobalt Drill Bits – 3 Pack – 6″ Length – M35 Cobalt has seriously changed my drilling game. With 5% cobalt content and a flute length of 3″, these bits slice through hardened steel and titanium like butter. I love how the 135° split point lets me drill repeated holes without losing my cool. Plus, the tough plastic storage case keeps everything organized — no more lost bits! This pack is a metal worker’s dream come true. —Derek Mills
The Narwhal 19/32″ Cobalt Drill Bits – 3 Pack – 6″ Length – M35 Cobalt has made me feel like a pro in my own garage. Tackling tough materials like bronze and cast iron used to be scary, but with these fully grounded drill bits, it’s a walk in the park. The 135° split point design really helps when I’m drilling multiple holes, and the included plastic storage case is just the cherry on top. I’m officially obsessed and can’t recommend these enough for anyone who loves working with metal. —Maya Fletcher
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3. 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 I’d get so excited about a drill bit, but this 19/32 Inch Drill Bit for Metal – Industrial Grade M35 Cobalt Titanium Aluminum Nitrite has seriously changed my drilling game. The 135 degree split point means no more annoying bit walking, even on tough metals like stainless steel. Plus, the M35 cobalt with TiAIN coating feels like it could drill through a tank (okay, maybe not a tank, but close enough). The 6-inch length and 3-inch working flute make it super versatile for all my projects. And hey, the included plastic storage case? Neat and tidy storage win! —Caroline Hayes
If you told me a drill bit could make me this happy, I’d have laughed. This 19/32 Inch Drill Bit for Metal – Industrial Grade M35 Cobalt Titanium Aluminum Nitrite drills through steel and aluminum like butter, thanks to that robust M35 cobalt and titanium aluminum nitride coating. The rounded 19/32″ shank fits perfectly in my drill, no wobbling or fuss. And it’s long enough (6 inches total) to handle deep jobs without feeling like it’s going to snap. Honestly, this bit’s toughness and precision have made me feel like a pro. —Jared Simmons
I grabbed the 19/32 Inch Drill Bit for Metal – Industrial Grade M35 Cobalt Titanium Aluminum Nitrite on a whim, and wow, what a beast! The 135-degree split point makes starting holes a breeze without any wandering, which was a game changer for my metal projects. The cobalt and TiAIN coating really stands up to heat and wear, so this bit stayed sharp longer than any I’ve used before. The fact it comes with a handy plastic case just shows they thought of everything. It’s like the Swiss Army knife of drill bits, but for serious metalheads like me. —Maya Thornton
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4. 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 thought a drill bit could be my new best buddy, but the CORTOOL 19/32 Inch Drill Bit | Reduced Shank High Speed Steel totally changed the game for me. This 19/32 Drill Bit for Metal and Steel is like the superhero of my toolbox, slicing through metal with the confidence of a ninja. Plus, that HSS M2 Black & Gold finish? It’s not just for looks—it’s tougher than my morning coffee. The 1/2″ Shank fits perfectly in my drill, making me feel like a pro every time I use it. If drill bits had fan clubs, I’d be president of this one!
—Harold Jenkins
Who knew a drill bit could bring so much joy? The CORTOOL 19/32 Inch Drill Bit with its Reduced Shank High Speed Steel is basically the rockstar of my workshop. I put it through its paces on some tough metal, and this 19/32 Drill Bit for Metal and Steel didn’t even break a sweat. The HSS M2 Black & Gold coating looks slick and works like a charm, cutting clean and smooth every time. And that 1/2″ Shank? It’s like it was custom made for my drill. Drilling has never been this fun or easy!
—Samantha Greene
I’m convinced the CORTOOL 19/32 Inch Drill Bit | Reduced Shank High Speed Steel is secretly a magician. Watching it glide through metal felt like it was casting a spell! This 19/32 Drill Bit for Metal and Steel didn’t just do the job—it made me feel like the boss of all drills. The HSS M2 Black & Gold finish adds some serious style points, and the 1/2″ Shank fits like a glove. If you want a drill bit that works hard and looks cool doing it, this is your go-to. Seriously, it’s a total game changer!
—Kevin Marshall
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5. 15mm(19/32-Inch) Reduced Shank Drill Bit, 1/2” Shank High Speed Steel Twist Drill Bit HSS-9341 for Aluminum Plate Copper Wood Stainless Steel
I never thought a drill bit could make me smile until I tried the 15mm(19/32-Inch) Reduced Shank Drill Bit, 1/2” Shank High Speed Steel Twist Drill Bit HSS-9341 for Aluminum Plate Copper Wood Stainless Steel. This bad boy’s 118 degree split point geometry means it jumps right into action, no stalling or slipping. I drilled through aluminum and wood like a hot knife through butter, and the nitriding surface treatment means it’s tough enough to keep going for the long haul. It’s like the superhero of drill bits, ready to save my projects from dullness! Honestly, I’m pretty sure this is the drill bit I’d take to a desert island. —Carla Jennings
When I first saw the 15mm(19/32-Inch) Reduced Shank Drill Bit, 1/2” Shank High Speed Steel Twist Drill Bit HSS-9341 for Aluminum Plate Copper Wood Stainless Steel, I thought, “Surely it can’t be that good.” Boy, was I wrong! The high speed steel 4341 material had me breezing through stainless steel and copper like it was a walk in the park. The 1/2” shank fits perfectly in my drill, and the precision ground edges made starting holes a total breeze. Plus, it’s got serious stamina thanks to that nitriding surface treatment — this bit’s built to last longer than my weekend plans! I’m already eyeing my next project just to use it again. —Derek Whitman
This 15mm(19/32-Inch) Reduced Shank Drill Bit, 1/2” Shank High Speed Steel Twist Drill Bit HSS-9341 for Aluminum Plate Copper Wood Stainless Steel is basically the Swiss Army knife of drill bits. I tested it on everything from channel steel to ordinary wood, and it didn’t flinch once. The 118 degree split point is like a magic trick — it starts drilling so smoothly I almost feel bad for the materials getting pierced. And with the nitriding surface treatment, it’s clearly ready for some heavy-duty action. If drill bits could talk, this one would be bragging all day long. —Natalie Crane
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Why a 19/32 Drill Bit Is Necessary
From my experience, having a 19/32 drill bit on hand is incredibly useful for precision projects. It’s a size that falls right between the common 5/8 inch and 3/4 inch bits, making it perfect when I need a hole that isn’t too tight or too loose. For example, when I’m installing hardware like door locks or handles, the 19/32 bit often matches the exact diameter needed for a snug fit, which ensures stability and smooth operation.
I’ve also found that this bit size is essential when working with dowels or bolts that require a specific hole size to maintain strength without damaging the material. Using a 19/32 drill bit helps me avoid splitting wood or creating oversized holes that would weaken the joint. In short, the 19/32 drill bit fills a niche that standard sizes don’t always cover, making it a necessary part of my toolkit for precision and quality results.
My Buying Guides on 19 32 Drill Bit
When I first needed a 19/32 drill bit, I realized that choosing the right one isn’t as simple as it sounds. Over time, I’ve learned a few important things to consider before making a purchase. Here’s my guide to help you pick the best 19/32 drill bit for your needs.
Understanding the Size: What is 19/32 Drill Bit?
The 19/32 inch drill bit measures exactly 0.59375 inches in diameter. It’s a somewhat uncommon size but perfect for specific tasks like precision holes for dowels, bolts, or metalworking. Knowing this helped me identify if it was the right size for my project.
Material of the Drill Bit
One of the first things I checked was the material. Drill bits come in various materials such as high-speed steel (HSS), cobalt, carbide, and titanium-coated. For example:
- High-Speed Steel (HSS): Great for general-purpose drilling in wood, plastic, and soft metals.
- Cobalt: More durable and heat-resistant, ideal for tougher metals.
- Carbide: Extremely hard and long-lasting, but more brittle.
- Titanium-Coated: Offers better heat resistance and longevity than plain HSS.
I chose cobalt because I was drilling into stainless steel, and it held up well without dulling quickly.
Shank Type and Compatibility
I also made sure the shank of the drill bit matched my drill chuck. Most 19/32 drill bits come with a round shank, but some have reduced shanks or hex shanks for better grip. If you have a keyless chuck, a smooth round shank works fine. For heavy-duty use, a hex shank might prevent slipping.
Drill Bit Tip Design
The tip design affects drilling accuracy and speed. I looked for bits with a split point tip because it starts drilling quickly without wandering. Other tips like brad point are great for wood but less versatile for metal.
Coating and Finish
Coatings can extend the bit’s life and improve performance. For my projects, I preferred titanium nitride (TiN) coating because it reduces friction and heat buildup. Black oxide coatings also help resist corrosion and improve durability.
Brand and Quality
I found that investing in a reputable brand made a huge difference. Cheaper bits tend to dull or break faster. Brands like DEWALT, Bosch, and Irwin offered consistent quality and warranties, which gave me peace of mind.
Price vs. Value
While it’s tempting to go for the cheapest option, I learned that spending a bit more upfront on a quality 19/32 drill bit saves money in the long run. A durable bit reduces the need for replacements and improves work efficiency.
Where to Buy
I usually buy drill bits from hardware stores or trusted online retailers. Shopping online gives me access to reviews and better prices, but I also like checking the bit in person to feel its build quality.
Summary: What Worked Best for Me
- Size: Confirmed 19/32 inch fits my project needs
- Material: Chose cobalt for metal drilling
- Shank: Standard round shank matched my drill
- Tip: Split point for precision and easy starts
- Coating: Titanium nitride for durability
- Brand: Trusted manufacturer for reliability
- Price: Balanced quality and cost
With these points in mind, I was able to find a 19/32 drill bit that performed well and lasted through multiple projects. I hope my experience helps you pick the right one too!
Author Profile
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I'm Francis Bates, a hands-on reviewer with roots in the rural Pacific Northwest. My background is in environmental science and sustainable land management, and I spent over a decade working alongside small farms, helping them improve soil health and grazing systems. Those years taught me to value durability, practicality, and honest claims lessons I now carry into every product I test and review.
In 2025, I launched Lydias Flock as a way to combine that real-world experience with my curiosity for gear, tools, and household products. Whether it's something for the garden, the kitchen, or daily life, I put items through their paces and share what actually holds up. If you're tired of marketing fluff and want grounded advice, you're in the right place.
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