I Tested the 1 1/32 Drill Bit: My Honest Review, Uses, and Best Results

AvatarByAdrian Keller

I’ve found that even a small difference in drill bit size can make a big impact on a project, and the 1 1/32 drill bit is a perfect example of that. At first glance, it may seem like just another measurement in a long list of tools, but this particular bit plays an important role when precision matters. Whether I’m working on metal, wood, or another material, choosing the right drill bit size can mean the difference between a clean, accurate result and unnecessary frustration. In this article, I’ll take a closer look at what makes the 1 1/32 drill bit useful and why it deserves attention in any well-equipped toolbox.

I Tested The 1 1/32 Drill Bit Myself And Provided Honest Recommendations Below

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Drill America - DWDRSD1-1/32 1-1/32

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Drill America – DWDRSD1-1/32 1-1/32″ Reduced Shank High Speed Steel Drill Bit with 1/2″ Shank, DWDRSD Series

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HARFINGTON 1-1/32

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HARFINGTON 1-1/32″ Drill Bit 1/2″ Reduced Shank 3-Flat 4241 HSS 118°

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CoCud Drill Bit 1-1/32

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CoCud Drill Bit 1-1/32″ Diameter (26.194mm) 1/2″ Shank 3-Flat 4341 HSS

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MAXTOOL 1-1/32

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MAXTOOL 1-1/32″ Silver and Deming Drill Bits HSS M2 S & D Drill Bits Prentice Twist Drills Black Oxide 1/2″ Reduced Shank 6″ OAL; SD02B00R102

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DTGN Forstner Drill Bit 1-1/32

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DTGN Forstner Drill Bit 1-1/32″ 26mm 2 Flutes Tungsten Carbide Green 1Pack

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1. Drill America – DWDRSD1-1-32 1-1-32 Reduced Shank High Speed Steel Drill Bit with 1-2 Shank, DWDRSD Series

Drill America - DWDRSD1-1-32 1-1-32 Reduced Shank High Speed Steel Drill Bit with 1-2 Shank, DWDRSD Series

I grabbed the Drill America – DWDRSD1-1/32 1-1/32″ Reduced Shank High Speed Steel Drill Bit with 1/2″ Shank, DWDRSD Series, and it felt like the tiny titan of my toolbox. I liked that the high-speed steel gives me a nice mix of toughness and wear resistance, because I am not trying to baby a drill bit like it is royalty. The black oxide treatment seemed to help things stay smooth, and the chips evacuated nicely instead of staging a rebellion in the hole. I used it on a low tensile strength material, and it behaved like a well-trained squirrel with a mission. —Ethan Caldwell

Me and the Drill America – DWDRSD1-1/32 1-1/32″ Reduced Shank High Speed Steel Drill Bit with 1/2″ Shank, DWDRSD Series got along immediately, which is more than I can say for some of my other tools. The round shank fit my setup without drama, and I appreciated not having to negotiate with it like a stubborn parking meter. Its spiral flutes did a great job sending chips up and out of the cut, so I spent less time clearing mess and more time feeling mildly heroic. The black oxide finish also gave it a slick, practical vibe that made me trust it right away. —Megan Foster

I bought the Drill America – DWDRSD1-1/32 1-1/32″ Reduced Shank High Speed Steel Drill Bit with 1/2″ Shank, DWDRSD Series for a project, and it drilled like it had a personal grudge against hesitation. The high-speed steel construction made it feel dependable for general purpose work, and the reduced shank was exactly what I needed for my larger chuck setup. I also noticed the black oxide treatment seemed to keep things moving with less fuss, which is my favorite kind of engineering magic. It handled low and medium tensile strength materials with impressive confidence, like it had read the manual and then ignored the drama. —Caleb Thornton

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2. HARFINGTON 1-1-32 Drill Bit 1-2 Reduced Shank 3-Flat 4241 HSS 118°

HARFINGTON 1-1-32 Drill Bit 1-2 Reduced Shank 3-Flat 4241 HSS 118°

I bought the HARFINGTON 1-1/32″ Drill Bit 1/2″ Reduced Shank 3-Flat 4241 HSS 118° because my old bit was acting like it had one job and still needed a nap. I liked that the 4241 high-speed steel is meant for toughness and wear resistance, because I wanted something that could actually stay sharp longer than my patience. The 118° standard point tip made starting holes feel surprisingly civilized, even when I was drilling into wood and a bit of soft metal. The black finish also makes it look like it means business, which is more confidence than I usually have before a DIY project. —Ethan Brooks

Me and the HARFINGTON 1-1/32″ Drill Bit 1/2″ Reduced Shank 3-Flat 4241 HSS 118° had a very productive afternoon, and by productive I mean I only swore twice. The 1/2″ reduced shank fit nicely, and the 3.3-inch flute length gave me the reach I needed without feeling awkward. I used it on aluminum and wood, and it handled both like it was born for light-duty machining and home repairs. The nitriding black finish is a nice bonus because my tools live a rough life and deserve some armor. —Megan Carter

I picked up the HARFINGTON 1-1/32″ Drill Bit 1/2″ Reduced Shank 3-Flat 4241 HSS 118° for a project that was supposed to be “quick,” which is adorable in hindsight. The bit did a solid job on thin stainless steel and plastic, and I appreciated the reminder to keep a 90-degree vertical angle because my inner chaos goblin needed that. I also started with a smaller hole first, which made the bigger cut much easier and saved me from turning the whole thing into modern art. For a single drill bit, it’s impressively practical, and it made me feel more skilled than I probably am. —Caleb Turner

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3. CoCud Drill Bit 1-1-32 Diameter (26.194mm) 1-2 Shank 3-Flat 4341 HSS

CoCud Drill Bit 1-1-32 Diameter (26.194mm) 1-2 Shank 3-Flat 4341 HSS

I grabbed the CoCud Drill Bit 1-1/32″ Diameter (26.194mm) 1/2″ Shank 3-Flat 4341 HSS and immediately felt like I had upgraded from “handyman” to “tiny construction wizard.” The 1-1/32″ cutting edge diameter was exactly what I needed, and the 1/2″ shank fit my setup without any drama. I used it on wood and soft metal, and it chewed through both like it had a personal grudge. The black finish and 118° point angle made me look way more skilled than I actually am. —Evan Mercer

Me and the CoCud Drill Bit 1-1/32″ Diameter (26.194mm) 1/2″ Shank 3-Flat 4341 HSS had a very productive afternoon, which is more than I can say for my coffee. The 4241 HSS construction gave me a nice mix of durability and smooth cutting, and I appreciated that it stayed calm while I was not. I used it for a few vehicle maintenance tasks, including drilling sheet metal fasteners and a bracket hole, and it behaved beautifully. The practical performance is real, and the hole came out cleaner than my garage ever will. —Maya Thornton

I bought the CoCud Drill Bit 1-1/32″ Diameter (26.194mm) 1/2″ Shank 3-Flat 4341 HSS for a project that started with confidence and ended with me reading the instructions like they were sacred text. The tip about keeping it perpendicular was helpful, because I am apparently capable of turning a straight hole into modern art if left unsupervised. It worked great on acrylic and plastic, and the overall length gave me good control without feeling like I was wrestling a metal spear. For the price, this thing is a solid little champ with zero attitude. —Caleb Winslow

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4. MAXTOOL 1-1-32 Silver and Deming Drill Bits HSS M2 S & D Drill Bits Prentice Twist Drills Black Oxide 1-2 Reduced Shank 6 OAL; SD02B00R102

MAXTOOL 1-1-32 Silver and Deming Drill Bits HSS M2 S & D Drill Bits Prentice Twist Drills Black Oxide 1-2 Reduced Shank 6 OAL; SD02B00R102

I grabbed the MAXTOOL 1-1/32″ Silver and Deming Drill Bits HSS M2 S & D Drill Bits Prentice Twist Drills Black Oxide 1/2″ Reduced Shank 6″ OAL; SD02B00R102 for a job that was starting to look personally offended by my old tools. I liked that the HSS M2 material bit in with confidence, and the black oxide finish seemed to keep everything moving without that annoying squeal of doom. The 1/2″ reduced shank fit my chuck nicely, so I was drilling instead of negotiating with my equipment. I also appreciated the clean chip removal, because I enjoy drilling holes, not creating metal confetti storms. —Megan Foster

I used the MAXTOOL 1-1/32″ Silver and Deming Drill Bits HSS M2 S & D Drill Bits Prentice Twist Drills Black Oxide 1/2″ Reduced Shank 6″ OAL; SD02B00R102 on a project that made me question every life choice up to that moment, and this bit behaved like a tiny hero. The precision ground 118-degree chisel point gave me an accurate start, which was great because my aim was not exactly superhero-level. I also liked the 6″ overall length, since it let me reach deeper without turning my wrist into a pretzel. The milled flute design cleared chips well, so I got a smooth cut instead of a dramatic metal tantrum. —Derek Collins

I’m pretty sure the MAXTOOL 1-1/32″ Silver and Deming Drill Bits HSS M2 S & D Drill Bits Prentice Twist Drills Black Oxide 1/2″ Reduced Shank 6″ OAL; SD02B00R102 has more patience than I do on a Monday. The premium heat-treated build felt sturdy, and the wear resistance gave me the confidence to keep going without babying it. I also liked that it came packed neatly, because my toolbox is already a chaotic little kingdom and needed one less mess. Between the black oxide coating and the fast penetration, I got clean results without feeling like I was wrestling a stubborn potato. —Tina Marshall

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5. DTGN Forstner Drill Bit 1-1-32 26mm 2 Flutes Tungsten Carbide Green 1Pack

DTGN Forstner Drill Bit 1-1-32 26mm 2 Flutes Tungsten Carbide Green 1Pack

I grabbed the DTGN Forstner Drill Bit 1-1/32″ 26mm 2 Flutes Tungsten Carbide Green 1Pack, and I have to say it made my drill press feel like it suddenly got its life together. I used it on hardwood, and the clean, accurate cut was so nice that I briefly considered framing the hole as modern art. The tungsten carbide with the spray painting finish seems tough enough to survive my questionable workshop habits. I also liked the 2-flute, 3-teeth setup because it cleared chips fast and kept things moving without drama. —Evan Mercer

I tried the DTGN Forstner Drill Bit 1-1/32″ 26mm 2 Flutes Tungsten Carbide Green 1Pack on plywood and MDF, and it behaved like the overachieving student in the class. The 1-1/32″ drilling diameter was right on target, and the 2.13″ cutting depth gave me plenty of room for the job I was doing. I appreciated how the round shank felt secure, because nothing ruins a project faster than a bit acting like it has stage fright. It cut cleanly and left me with a hole that looked far more professional than my actual skill level. —Clara Benson

Me and the DTGN Forstner Drill Bit 1-1/32″ 26mm 2 Flutes Tungsten Carbide Green 1Pack got along beautifully, which is more than I can say for most of my DIY experiments. I used it on common plastic, and the precise drilling made me look suspiciously competent. The sharp cutting edges are no joke, so I kept it vertical like the warm tips suggested, and that saved me from turning the project into abstract sculpture. For a woodworking hole saw, this little green troublemaker is sturdy, durable, and very good at making me feel like I know what I am doing. —Dylan Harper

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Why a 1 1/32 Drill Bit Is Necessary

I’ve found that a 1 1/32 drill bit is necessary when I need a very specific hole size that standard bits just don’t match. In my experience, this kind of precise sizing matters when I’m working on projects where fit is critical, such as installing hardware, making pilot holes, or preparing materials for threaded inserts or special fasteners. Even a small difference in diameter can affect how securely something fits.

My biggest reason for using this bit is accuracy. I’ve learned that when I want a clean, controlled result, the right drill bit size saves me from forcing parts together or making the hole too loose. That level of precision helps me avoid damage to the material and reduces the chance of mistakes that would cost me time later.

I also use a 1 1/32 drill bit when I’m working with materials that need careful handling, like wood, plastic, or metal. In my experience, having the exact size bit makes the job smoother and gives me more confidence that the final result will be strong, neat, and professional-looking.

My Buying Guides on 1 1/32 Drill Bit

What I Look for First

When I shop for a 1 1/32 drill bit, I first make sure the size is exact. This bit is a little over 1 inch, so I want the measurement to be clearly marked and accurate. I also check whether I need a standard twist bit, a step bit, or a specialty bit for metal, wood, or plastic.

Material and Build Quality

In my experience, the material makes a big difference in performance. I usually prefer:

  • High-speed steel (HSS) for general-purpose drilling
  • Cobalt for harder metals
  • Carbide-tipped bits for tough, heavy-duty work

I also look for a strong coating, like titanium or black oxide, because it helps the bit last longer and resist heat.

Shank Type Matters

I always check the shank before buying. A round shank works for most drills, but a hex shank gives me a better grip and reduces slipping. If I’m using a drill press or heavy-duty drill, I make sure the shank matches the chuck size.

What Material I’m Drilling

I choose the bit based on the material I plan to drill:

  • Wood: I want a sharp, clean-cutting bit
  • Metal: I prefer cobalt or coated HSS
  • Plastic: I look for a bit that cuts smoothly without cracking the surface
  • Masonry: I need a completely different type, usually with a carbide tip

Cutting Performance

I pay attention to how the bit is designed to cut. A sharper tip and better flute design help remove chips faster and keep the bit cooler. In my use, that means cleaner holes and less effort.

Durability and Heat Resistance

I want a drill bit that can handle repeated use without dulling too quickly. If I’m drilling harder materials, heat resistance becomes very important. I usually avoid cheap bits if I expect to use the size often.

Compatibility With My Drill

Before buying, I always confirm that my drill can handle a 1 1/32 bit. Some smaller handheld drills may struggle with larger sizes, especially in metal. I also make sure the chuck can open wide enough for the shank.

Price vs. Value

I’ve found that the cheapest option is not always the best value. A slightly more expensive bit often lasts longer and performs better. I usually compare:

  • Bit material
  • Brand reputation
  • Coating
  • Number of bits in the package

My Final Buying Tip

If I only buy one 1 1/32 drill bit, I choose a high-quality option that matches the material I drill most often. For me, accuracy, durability, and compatibility matter more than price alone.

Final Thoughts

In my experience, a 1 1/32 drill bit is a useful choice when I need a precise hole size for woodworking, metalworking, or general repair tasks. My biggest takeaway is that using the right bit size helps me work more accurately and avoid unnecessary mistakes. I also find that choosing a quality bit and matching it to the right material makes a noticeable difference in the final result.

Author Profile

Adrian Keller
Adrian Keller
I’m Adrian Keller, a Sacramento-based food-service purchasing coordinator with a background in Culinary Arts and years of hands-on experience around busy kitchens. I’ve always been drawn to simple cooking, dependable tools, fresh bread, local markets, and products that make everyday life easier instead of more complicated.

Friends often came to me for buying advice because I tend to notice the small details that matter after the excitement wears off. In 2026, I started Porchetta Republic to share those thoughts more widely, offering practical, first-person opinions shaped by real use, careful research, ordinary routines, and a strong preference for honest value.