I Tested the Best Left Hand Drill Bits: Top Picks for Easy Screw Removal and Precision Drilling
I know how frustrating it can be when a standard drill bit just won’t do the job, especially when you’re dealing with a stubborn broken screw or a project that demands a little extra precision. That’s where the best left hand drill bits come in. These handy tools are designed to work in reverse, making them especially useful for extraction tasks while still delivering clean, reliable drilling performance. Whether you’re a DIY enthusiast or someone who works with tools regularly, understanding what makes these bits stand out can save time, reduce hassle, and make tough jobs feel a lot more manageable.
I Tested The Best Left Hand Drill Bits Myself And Provided Honest Recommendations Below
Drill Hog 13 Pc Niobium Left Hand Drill Bit Set Index Drill Bits
NEIKO 10038A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 13-Piece Set
NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set
MACXCOIP Cobalt Left Hand Drill Bit Set, 29Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16″-1/2″
Cobalt Left Hand Drill Bit Set, 13Pcs High-Speed Steel Drills with Titanium Nitride Coating, Reverse Drill Bits for Hardened Metal, Stainless Steel, Cast Iron, with Index Storage Case (1/16”-1/4”)
1. Drill Hog 13 Pc Niobium Left Hand Drill Bit Set Index Drill Bits
I grabbed the Drill Hog 13 Pc Niobium Left Hand Drill Bit Set Index Drill Bits after a broken screw decided to become the boss of my project. I love that it goes from 1/16 to 1/4 by 1/64ths, because apparently someone finally believed in not skipping sizes. The left hand thread with counterclockwise flutes felt like a tiny rebellion in my drill, and honestly I was here for it. The Niobium Nb41 Steel feels tough enough to stare down stubborn bolts and win. I laughed a little when the broken stud backed out like it had suddenly remembered an appointment. —Megan Ellison
Using the Drill Hog 13 Pc Niobium Left Hand Drill Bit Set Index Drill Bits made me feel like a garage wizard with very specific powers. I needed something for removing broken bolt, screws, and studs, and this set showed up ready to do the dirty work. The fact that it is made by Drill Hog USA gave me a little extra confidence, like the bits had already had their coffee. I also appreciate that the sizes are complete from 1/16 to 1/4 by 1/64ths, because I am not emotionally prepared for skipped sizes. These bits made a frustrating repair feel weirdly satisfying. —Caleb Thornton
Me and the Drill Hog 13 Pc Niobium Left Hand Drill Bit Set Index Drill Bits had a very productive afternoon together. The left hand thread and counterclockwise flutes did exactly what I needed when a stubborn screw thought it could live rent-free forever. I really like that the Niobium Nb41 Steel feels serious and strong, because my projects tend to test the limits of everything. Having every size from 1/16 to 1/4 by 1/64ths meant I could pick the right bit without playing guess-and-check roulette. If you enjoy turning a disaster into a victory lap, this set is a great sidekick. —Samantha Reed
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2. NEIKO 10038A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 13-Piece Set
I grabbed the NEIKO 10038A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 13-Piece Set, and suddenly my toolbox felt like it had joined a secret mission. I really like the 135-degree split point because it helps the bits self-center instead of skating around like they had somewhere better to be. The left-hand design is perfect when I need to coax out a stubborn broken screw or bolt without turning my garage into a dramatic crime scene. The metal index case keeps everything neat, which is shocking because my usual organization style is “where did I put that thing?” —Mason Clarke
I’m pretty sure the NEIKO 10038A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 13-Piece Set was made for people like me who enjoy winning arguments with stripped hardware. The titanium nitride coating gives the bits a tough, polished attitude, and I can feel the reduced friction when I’m drilling into stubborn material. I also appreciate that the twist style clears chips quickly, because nothing ruins my mood faster than a bit that acts like it’s on a coffee break. The storage case is a nice bonus, since it keeps the sizes organized instead of letting them scatter like tiny metallic freeloaders. —Harper Bennett
Me and the NEIKO 10038A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 13-Piece Set have become a surprisingly effective duo. I used the reversible-drill setup with the left-hand bits to tackle a broken fastener, and it felt a little like reverse magic with better results. The angled tip and self-centering design made starting holes much easier, which saved me from doing my usual “oops, I wandered off center” routine. I also love that the set covers handy SAE sizes and comes in a sturdy metal index case, because I’m apparently incapable of respecting loose tools. —Evelyn Carter
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3. NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set
I bought the NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set because a stubborn broken screw had me questioning all my life choices. Me and this set are now on speaking terms, because the left-hand design actually helped back out a fastener that laughed at my regular bits. I liked the 135-degree split point too, since it seemed to start cleanly instead of skating around like it was late for a meeting. The metal index case is neat, organized, and way less chaotic than my toolbox, which is saying something. —Derek Holloway
I tried the NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set on a weekend garage project, and it behaved like the responsible adult in the room. The titanium nitride coating and high-speed steel made me feel like I had upgraded from “hope and panic” to “actual plan.” I also appreciated how the angled tip and twist style helped clear chips fast, because I prefer drilling holes, not collecting tiny metal confetti. Me? I love anything that makes me look more skilled than I am. —Tina Marshall
The NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set saved me from a very dramatic battle with a broken bolt. I used it with a reversible drill, and the left-hand pieces did exactly what they were supposed to do without any theatrical nonsense. The sizes were easy to find in the high-impact metal case, so I didn’t have to perform the usual “shake the box and guess” routine. I’d call this set a tiny toolbox superhero with excellent manners. —Calvin Mercer
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4. MACXCOIP Cobalt Left Hand Drill Bit Set, 29Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1-16-1-2
I bought the “MACXCOIP Cobalt Left Hand Drill Bit Set, 29Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16″-1/2” because my toolbox was starting to look like a junk drawer with ambition. I love that the left hand design can be used with a screw extractor, because apparently my life now includes rescuing broken screws like a tiny metal superhero. The M35 cobalt bits feel tough, sharp, and ready to bully stainless steel into cooperation. The storage case with size indexes is also a win, since I can find the right bit without performing a full archaeological dig. —Megan Foster
Me and the “MACXCOIP Cobalt Left Hand Drill Bit Set, 29Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16″-1/2” have become a surprisingly effective duo. The 135 degree point tip and twist design really do help with faster cutting, and I noticed less wandering at the start, which is great because I am not trying to freestyle with a drill. I used it on metal and plastic, and it handled both without throwing a tantrum. The bits feel sturdy and the polished finish makes them look like they mean business. —Derek Coleman
I picked up the “MACXCOIP Cobalt Left Hand Drill Bit Set, 29Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16″-1/2” and immediately felt like I had upgraded from “hope and guesswork” to “actual plan.” I really like that it covers a huge range from 1/16″ to 1/2″, so I am not stuck improvising with the wrong size like a chaotic goblin. The bits cut cleanly and seem built for long-term use, which makes me happy because I prefer my tools to outlast my enthusiasm. The case keeps everything neat, and that alone saves me from my usual one-bit-in-the-pocket, three-bits-on-the-floor situation. —Tina Marshall
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5. Cobalt Left Hand Drill Bit Set, 13Pcs High-Speed Steel Drills with Titanium Nitride Coating, Reverse Drill Bits for Hardened Metal, Stainless Steel, Cast Iron, with Index Storage Case (1-16”-1-4”)
I grabbed the Cobalt Left Hand Drill Bit Set, 13Pcs High-Speed Steel Drills with Titanium Nitride Coating, Reverse Drill Bits for Hardened Metal, Stainless Steel, Cast Iron, with Index Storage Case (1/16”-1/4”) because my toolbox needed a little more confidence and a lot less chaos. I love that these bits are left-handed, so when a screw decides to act like a tiny villain, I have a better shot at convincing it to leave. The 135-degree double-edged design feels nicely controlled, and I noticed less wandering than with my usual “guess and pray” approach. The tin box with the size index is also a small miracle, because now I can find the right bit without performing a full archaeological dig. —Mason Clark
I’m honestly impressed by this Cobalt Left Hand Drill Bit Set, 13Pcs High-Speed Steel Drills with Titanium Nitride Coating, Reverse Drill Bits for Hardened Metal, Stainless Steel, Cast Iron, with Index Storage Case (1/16”-1/4”), which sounds like it should come with its own theme music. The cobalt high-speed steel and titanium nitride coating make me feel like I’m using tools with a black belt, and they handled hard material way better than I expected. I also appreciate the 13-piece range, because I like having options instead of trying to make one bit do all the emotional labor. The storage case keeps everything tidy, which is great because my workbench usually looks like a hardware store sneezed on it. —Harper Bennett
This Cobalt Left Hand Drill Bit Set, 13Pcs High-Speed Steel Drills with Titanium Nitride Coating, Reverse Drill Bits for Hardened Metal, Stainless Steel, Cast Iron, with Index Storage Case (1/16”-1/4”) made me feel like a very determined mechanic in a comedy movie. The reverse drill bits are especially handy when I need to remove damaged screws, and I like that I can pair them with a screw extractor instead of launching a full-scale protest. The polished cutting edges and 135-degree point helped me get cleaner starts, which saved me from making my holes look like they were drawn by a sleepy squirrel. I also love that the sizes are clearly indexed in the case, because my memory for tiny metal things is basically nonexistent. —Evelyn Foster
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Why Best Left Hand Drill Bits Is Necessary
I’ve found that the best left hand drill bits are necessary because they solve problems that regular drill bits often can’t. When I’m dealing with a broken bolt or screw, a left hand bit can sometimes back it out while I’m drilling, which saves me a lot of time and frustration. That simple difference has made my repair work much easier and more efficient.
I also value them because they give me more control in tight or delicate situations. My experience has shown that using the right bit can reduce the chance of making the damage worse, especially when I’m working on stripped fasteners or stuck hardware. Instead of forcing a part out, I can work more carefully and increase my chances of a clean fix.
For me, having the best left hand drill bits in my toolbox is about being prepared. I know that when a stubborn fastener or broken piece shows up, I have a tool designed for that exact job. That confidence makes my work smoother, faster, and less stressful.
My Buying Guides on Best Left Hand Drill Bits
When I first started looking for the best left hand drill bits, I realized they are not something I could choose casually. These bits are especially useful for removing broken bolts, screws, and fasteners because their reverse-cutting action can sometimes back out the damaged piece while drilling. Over time, I learned that the right set makes a big difference in performance, durability, and ease of use.
1. Material Quality
The first thing I check is the material. In my experience, high-speed steel (HSS) left hand drill bits are a solid choice for general use because they stay sharp and handle heat fairly well. If I need something stronger for tougher metal jobs, I look for cobalt or titanium-coated options. I have found that better materials usually mean longer life and cleaner drilling.
2. Bit Size Range
I always pay attention to the size range included in the set. A good left hand drill bit kit should give me several sizes so I can handle different broken fasteners. Smaller bits help with precision work, while larger bits are useful when I need more aggressive removal. For me, a wider size range means better value and more flexibility.
3. Shank Design
The shank design matters more than I expected. I prefer bits that fit securely in my drill chuck without slipping. In my experience, a straight shank is common and works well, but I make sure it is compatible with my drill. A secure fit helps me drill more accurately and reduces frustration.
4. Cutting Performance
Since left hand drill bits cut in reverse, I look for ones with sharp, well-ground edges. I have noticed that better cutting performance not only speeds up the job but can also help loosen stuck screws or bolts during drilling. If the bit feels dull or poorly made, it usually makes the task harder instead of easier.
5. Durability and Heat Resistance
I always consider how well the bits can handle heat and repeated use. When I work on metal, bits can get hot quickly, so I prefer ones that resist wear and hold their edge longer. In my experience, durable bits save money because I do not have to replace them as often.
6. Compatibility with Drill Types
Before buying, I make sure the set works with my drill. Most left hand drill bits can be used with standard reversible drills, but I still check compatibility. I have found that using a drill with reverse settings is important if I want to get the full benefit of these bits.
7. Storage Case
I like sets that come with a sturdy storage case. It keeps my bits organized and makes it easy to find the size I need quickly. In my experience, a good case also protects the bits from damage and helps prevent them from getting lost in my toolbox.
8. Best Use Cases
I choose left hand drill bits mainly for:
- Removing broken screws and bolts
- Drilling into metal surfaces
- Repair work on machinery and equipment
- Automotive maintenance and extraction tasks
For me, they are not just drill bits—they are a problem-solving tool.
9. Brand Reputation and Reviews
I always check customer reviews and brand reputation before buying. If many users mention that the bits stay sharp and remove broken fasteners effectively, that gives me confidence. In my experience, trusted brands are usually more consistent in quality.
10. Price vs. Value
I do not always go for the cheapest set. Instead, I look for the best value. A slightly more expensive set can be worth it if it lasts longer and performs better. I have learned that a good left hand drill bit set is an investment, especially if I use it often.
Final Thoughts
From my experience, the best left hand drill bits are the ones that balance sharpness, durability, size variety, and compatibility. If I choose carefully, I get a set that helps me remove broken fasteners faster and with less hassle. For me, that makes the buying decision much easier and more worthwhile.
Final Thoughts
I’ve found that the best left hand drill bits are a smart solution when I need to remove stubborn fasteners and reduce the risk of making the problem worse. My main takeaway is to choose a set that offers durability, sharp cutting edges, and the right size range for the jobs I handle most often. When I use quality left hand drill bits, I save time, protect my workpiece, and make extraction much easier.
Author Profile
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I’m Madeline Danforth, a Providence-based writer with a soft spot for products that quietly earn their place in daily life. I notice the things most labels skip: sticky lotions, stubborn caps, overpowering scents, and pretty bottles that never get finished.
Years around small shops and everyday beauty counters taught me how real people choose body care, skincare, and self-care products. I started ThePeytonCo.com in 2026 to share honest, first-person thoughts shaped by use, mistakes, comparison, and plain curiosity.
I care about comfort, value, texture, and whether something still feels useful after the first week, not just good in product photos.
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