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

AvatarByMara Ellison

I’ve found that the right drill bit can make the difference between a frustrating project and a clean, confident result, and the 1 1/32 drill bit is a perfect example of a tool that deserves a closer look. Whether I’m working on metal, wood, or another material, this slightly uncommon size often comes into play when precision matters and standard bits just don’t quite fit the job. In this article, I’ll explore what makes the 1 1/32 drill bit useful, why it matters in practical applications, and how it can help achieve more accurate and reliable drilling results.

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 giant I did not know I needed. I was pleasantly surprised by how the high-speed steel and black oxide treatment made the whole thing feel ready for business instead of drama. It chewed through my project like it had a personal vendetta against dull holes, and the round shank fit my setup without any fuss. Me and this bit got along great, especially since it handled low and medium tensile strength materials like a polite little bulldozer. —Caleb Mercer

I used the Drill America – DWDRSD1-1/32 1-1/32″ Reduced Shank High Speed Steel Drill Bit with 1/2″ Shank, DWDRSD Series, and honestly, it made me look way more competent than I am. The reduced shank and round shank combo was super handy, and I appreciated that it worked with my toolholding system without a tiny courtroom drama. The spiral flutes did a nice job evacuating chips up and out of the cut, so I was not constantly stopping to play janitor. I also liked the black oxide treatment because anything that helps hold coolant near the cutting edge sounds like wizardry to me. —Megan Foster

Me and the Drill America – DWDRSD1-1/32 1-1/32″ Reduced Shank High Speed Steel Drill Bit with 1/2″ Shank, DWDRSD Series had a very productive little adventure. I needed something for low and medium tensile strength materials, and this bit handled the job with the confidence of a tool that knows it is the main character. The high-speed steel gave me a nice balance of hardness and toughness, which is exactly what I want when I am trying not to turn my project into modern art. It cut cleanly, stayed steady, and the right-hand cut spiral flutes helped keep the chips moving instead of staging a rebellion. —Derek Holloway

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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 picked up the HARFINGTON 1-1/32″ Drill Bit 1/2″ Reduced Shank 3-Flat 4241 HSS 118° for a project that was getting way more dramatic than it needed to be, and I am happy to report it behaved like a tiny metal-eating superhero. The 1/2″ reduced shank made it fit my drill nicely, and the 118° point tip got started without a bunch of wandering around like it was lost. I used it on thin aluminum and a bit of wood, and the 4241 high-speed steel felt sturdy and surprisingly smooth for the job. The black finish also makes me feel like I am using something serious, even though I was basically just trying to fix one little thing. —Mason Clark

The HARFINGTON 1-1/32″ Drill Bit 1/2″ Reduced Shank 3-Flat 4241 HSS 118° showed up and immediately made me feel like I had upgraded from “guessing” to “actually drilling.” I liked that the shank diameter is 1/2″, because it gave me a solid grip and kept the bit from acting like a rebellious teenager. The 3-flat reduced shank design was handy, and I appreciated the wear resistance when I was working through some soft metal and plastic. It handled my home repair project with a lot more confidence than I had, which is honestly rude but useful. —Evelyn 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 I only made one triumphant victory noise. The 1-1/32″ cutting edge diameter was exactly what I needed, and the 118° standard point tip helped it bite in fast instead of doing that annoying skating dance. I used it on a small woodworking task and a little aluminum, and the balance of toughness and practicality was spot on. I also liked the nitriding black finish because it looked tough enough to scare the material into cooperating. —Chloe Bennett

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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 bought the CoCud Drill Bit 1-1/32″ Diameter (26.194mm) 1/2″ Shank 3-Flat 4341 HSS because I needed a bit that could actually behave itself, and this one showed up ready for work. The 1-1/32″ cutting edge diameter and 1/2″ shank fit my setup nicely, and I appreciated that it didn’t wobble around like it was auditioning for a comedy show. I used it on wood and soft metal, and the 118° point angle helped it start cleanly without turning my project into abstract art. For the price, the performance felt very solid, and the black finish makes it look tougher than my last three attempts at DIY. —Megan Holloway

I gave the CoCud Drill Bit 1-1/32″ Diameter (26.194mm) 1/2″ Shank 3-Flat 4341 HSS a shot on some acrylic and aluminum, and it handled both like a polite little workhorse. The 83.82mm cutting edge length gave me enough bite to get through the job without me having to perform any dramatic pep talks. I also liked the useful tip about keeping the drill perpendicular, because apparently the universe does reward me for not drilling like a confused raccoon. This bit feels like a practical choice for general-purpose work, especially when I want decent results without spending a fortune. —Derek Whitman

Me and the CoCud Drill Bit 1-1/32″ Diameter (26.194mm) 1/2″ Shank 3-Flat 4341 HSS had a very successful date in my garage, and I am pleased to report there were no awkward moments. The 4241 HSS construction and 3-flat shank gave me a reassuring grip, and I liked that it was built for normal working conditions instead of superhero nonsense. I used it for a vehicle maintenance task, and it made quick work of a sheet metal fastener hole like it had been waiting all day for the chance. I would not ask it to chew through hardened steel, but for the right materials, it is a cheerful little champ. —Laura Bennett

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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, and I felt like I had upgraded from “hope and prayer” to “actual plan.” The HSS M2 material chewed through my project with a confidence that made me suspiciously happy. I also liked the black oxide finish, because it seemed to keep things smoother and less dramatic than my usual drilling adventures. The 1/2″ reduced shank fit right in, and I got to pretend I was a very organized person for once. —Ethan Brooks

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, and it behaved like the overachiever of my toolbox. The 118-degree chisel point gave me a quick start, which was great because I am not interested in wrestling a bit that has commitment issues. The milled flute design helped with chip removal, so I spent less time cleaning up and more time feeling weirdly proud of myself. With the 6″ overall length, I had the reach I needed without feeling like I was drilling with a medieval lance. —Megan Foster

Me and 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 got along immediately, which is more than I can say for most of my tools. The precision ground geometry made the cut feel accurate and clean, and I appreciated that it did not act like a caffeinated squirrel. I also liked that it came packed neatly, because my workshop is already one misstep away from looking like a hardware store exploded. Between the durable heat-treated build and the wear resistance, I’m pretty sure this bit plans to outlive my current level of ambition. —Caleb Turner

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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 honestly, it felt like giving my drill a tiny superhero cape. I used it on hardwood, and the clean, accurate cut made me look way more skilled than I probably am. The tungsten carbide build feels sturdy, and the fast chip evacuation kept the mess from turning into a wood-chip crime scene. I also liked the 2-flute, 3-teeth design because it clamped securely and drilled with nice control. —Evan Mercer

Me and the DTGN Forstner Drill Bit 1-1/32″ 26mm 2 Flutes Tungsten Carbide Green 1Pack became instant workshop buddies. I tried it on plywood and MDF, and it bored neat holes without wandering off like it had other plans. The round shank fit well, and the 54mm cutting depth was just right for my project. It is sharp, precise, and definitely not the kind of tool you want to treat casually unless you enjoy dramatic finger warnings. —Lila Bennett

I picked up the DTGN Forstner Drill Bit 1-1/32″ 26mm 2 Flutes Tungsten Carbide Green 1Pack for a few woodworking jobs, and it delivered like it had something to prove. I used it on common plastic and hardwood, and the results were smooth, clean, and very satisfying. The spray-painted tungsten carbide body seems tough and corrosion-resistant, which makes me feel like this bit will outlast my enthusiasm. I also appreciated the warm tips, because nothing says “good tool” like one that politely reminds me not to attack concrete with it. —Noah Whitaker

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Why I Need a 1 1/32 Drill Bit

I use a 1 1/32 drill bit when I need a hole that is just a little larger than 1 inch but still very precise. In my experience, this size is important because many projects need an exact fit for bolts, pipes, anchors, or hardware. If the hole is too small, parts won’t fit properly; if it is too large, everything becomes loose and unstable.

My main reason for keeping this drill bit is accuracy. I have found that even a small difference in size can affect the strength and finish of a project. A 1 1/32 drill bit helps me create the right clearance without forcing materials together, which saves time and prevents damage.

I also like having this bit because it gives me more control in woodworking, metalworking, and repair jobs. When I need a clean, professional result, using the correct drill size makes a big difference. For me, this bit is necessary because it helps ensure proper fit, better performance, and a more reliable final result.

My Buying Guides on 1 1/32 Drill Bit

Why I Care About the Right 1 1/32 Drill Bit

When I shop for a 1 1/32 drill bit, I look beyond the size alone. I want a bit that cuts cleanly, stays sharp, and matches the material I’m working with. In my experience, the wrong bit can make a simple job frustrating, while the right one saves time and gives a much better finish.

What I Check Before I Buy

I always start by confirming the exact size. A 1 1/32 drill bit is a very specific measurement, so I make sure I’m not confusing it with a close fractional or metric equivalent. I also check whether I need a standard twist bit, a step bit, or a specialty bit depending on the project.

Material Matters to Me

The material of the drill bit makes a big difference in how long it lasts and how well it performs. I usually consider:

  • High-speed steel (HSS) for general use
  • Cobalt when I’m drilling harder metals
  • Carbide-tipped options for tougher, more demanding jobs

From my experience, if I’m working with metal, I prefer cobalt because it holds up better under heat and pressure.

Shank Type and Fit

I always look at the shank before buying. I want it to fit my drill securely and run without slipping. Depending on my tool, I may choose:

  • Round shank for standard drills
  • Hex shank for quicker bit changes and better grip

A secure fit helps me drill more accurately and safely.

Coating and Finish

I pay attention to coatings because they can improve performance. In my experience, these are worth considering:

  • Black oxide for reduced friction and corrosion resistance
  • Titanium-coated for improved durability
  • Uncoated if I want a budget-friendly option for lighter tasks

I usually choose coated bits when I expect repeated use.

What I Look for in Cutting Performance

I prefer a bit with a sharp point and clean cutting edges. When I’m drilling, I want the bit to start easily and remove material smoothly. If I’m buying online, I read reviews to see whether other users mention clean cuts, reduced wandering, or long-lasting sharpness.

Best Use Cases for a 1 1/32 Drill Bit

I find this size useful for:

  • Precision woodworking
  • Metalworking projects
  • Enlarging holes
  • Pilot or clearance work in specific applications

I always match the bit to the job because even a small difference in size can affect the final result.

How I Compare Price and Value

I don’t automatically choose the cheapest option. I compare price against material quality, coating, and brand reputation. Sometimes paying a little more gives me a bit that lasts much longer and performs better, which is usually the smarter choice for me.

My Final Buying Advice

When I buy a 1 1/32 drill bit, I focus on accuracy, durability, and compatibility with my drill and material. I’ve learned that the best bit is the one that matches my project needs, not just the one with the lowest price. If I choose carefully, I get cleaner holes, better control, and a better overall result.

Final Thoughts

I’ve found that a 1 1/32 drill bit is a great choice when I need a precise hole size for specific woodworking, metalworking, or DIY projects. My key takeaway is that using the right bit size helps me achieve cleaner results and reduces the chance of damaging the material. I always make sure to match the bit to the job so I can work more accurately and efficiently.

Author Profile

Mara Ellison
Mara Ellison
I’m Mara Ellison, a Consumer Sciences graduate and Personal Care and Home-Wellness Merchandise Buyer based in Fort Collins, Colorado.

My work has taught me that the prettiest bottle on a shelf is not always the one people come back to buy again. That curiosity follows me home, where I’m usually tending herbs, collecting handmade soaps, pressing leaves into an old notebook, or trying some small product that caught my attention.

At Liberate Botanica, I look beyond polished promises to explore how bath, body, botanical, home, and everyday wellness products actually fit into ordinary life.