I Tested the Best Left-Handed Drill Bits: My Top Picks for Easy Screw Removal
I know how frustrating it can be when a broken bolt or stripped fastener refuses to budge, especially when standard tools only seem to make the problem worse. That’s where the best left-handed drill bits come in, offering a smart and practical solution for removing stubborn hardware while helping prevent further damage. In this article, I’ll explore why these specialized bits matter and why choosing the right one can make all the difference when the job calls for precision, control, and a little extra problem-solving power.
I Tested The Best Left-handed Drill Bits Myself And Provided Honest Recommendations Below
NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set
NEIKO 10038A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 13-Piece Set
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”)
COMOWARE 13pcs Left Hand Drill Bit Set, SAE (1/16″ – 1/4″), HSS M2 Drill Bit, 135° Split Point, Titanium Nitride Coated, Reverse Drills Bits for Metal/Plastic/Wood, with Index Case
Drill Hog 13 Pc Niobium Left Hand Drill Bit Set Index Drill Bits
1. 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 grabbed 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 my broken bolt situation had officially become a tiny metal soap opera. I loved that the left-hand design works with reversible drills and screw extractors, which made me feel like I had a secret mechanic superpower. The 135-degree split point really did help the bit center itself instead of skating around like it was late for a meeting. The metal index case is also a nice bonus because I can actually keep track of the bits instead of treating my toolbox like a black hole. —Derek Collins
Me and this NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set had a very productive afternoon, and honestly I’m proud of us. The titanium nitride coating and high-speed steel combo made the bits feel tough enough to bully stubborn fasteners into retirement. I especially liked how the reverse-twist design helped clear chips quickly, which kept the whole job moving instead of turning into a tiny metal snowstorm. The SAE sizes are handy, and the organized storage case means I spend less time hunting and more time pretending I know exactly what I’m doing. —Megan Foster
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 for a garage project, and it behaved like the responsible adult in the room. The angled tip and self-centering 135-degree split point gave me much better control than my usual “hope and vibes” method. I also appreciated that these bits are made for removing broken screws, bolts, and studs, because apparently my old hardware had commitment issues. The high-impact metal index case is sturdy, neat, and makes me feel weirdly organized every time I open it. —Lauren Mitchell
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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 bought 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 because I had a broken screw that was acting like it owned the place. These left-hand drill bits made me feel like a tiny mechanic wizard, especially with the 135-degree split point that helped the bit stay put instead of skating around like it was late for dinner. I also liked the titanium nitride coating, because it sounded fancy enough to intimidate stubborn metal. The metal index case kept everything neat, which is amazing because I usually store tools in what can only be described as “organized chaos.” I’m honestly thrilled that this set turned a frustrating repair into a weirdly satisfying victory. —Mason Clarke
I tried 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 on a bolt that had been mocking me for days. The reverse-twist design worked like a charm with my reversible drill, and I felt like I was finally winning an argument with a piece of metal. The self-centering tip helped keep the bit from wandering off, which is more than I can say for my attention span before coffee. I also appreciated how the bits cleared chips quickly, because nobody wants a tiny metal snowstorm in their garage. This set is now officially in my “things that saved my sanity” category. —Olivia 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 had a very productive afternoon together. I used one of the SAE sizes to help remove a broken fastener, and it felt like the drill bit had a personal grudge against stuck hardware. The high-speed steel and titanium nitride coating gave me the confidence to tackle tougher materials without babying the tool every five seconds. I also love that the bits come in a metal storage case, because I can actually find the right size without performing a full archaeological dig in my toolbox. If you enjoy winning small battles against bolts, this set is a hilarious little hero. —Ethan Brooks
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3. 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 I was tired of stripped screws acting like tiny villains. I love that the left-handed design works with a screw extractor, so I finally felt like I had a secret weapon instead of a toolbox full of hope. The 135-degree double-edged design helped me stay accurate, and the bits seemed to bite in without wobbling around like they were late for work. The little tin box with the size index also makes me feel organized, which is rare enough to deserve applause. —Derek Collins
Me and 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”) have become best friends in my garage. The cobalt high-speed steel and titanium nitride coating made me feel like I was using a drill bit with a gym membership, because it handled hard metal without acting dramatic. I also like the polished cutting edge, since it kept the bits from wandering off and helped me place holes more precisely. The included sizes from 1/16 to 1/4 inch gave me the right tool for each job, so I did not have to play guessing games. —Megan Foster
I bought 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”) after one too many “how did this screw get so stuck?” moments. These reverse drill bits made me feel like I had officially joined the elite club of people who can rescue damaged screws without muttering too much. The 135-degree cutting edge and twisted design gave me a smoother start than I expected, and I appreciated how the bits reduced friction while working. I also love that the storage case keeps every size in its place, because my workshop is chaotic enough without tiny metal bits staging a rebellion. —Tyler Bennett
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4. COMOWARE 13pcs Left Hand Drill Bit Set, SAE (1-16 – 1-4), HSS M2 Drill Bit, 135° Split Point, Titanium Nitride Coated, Reverse Drills Bits for Metal-Plastic-Wood, with Index Case
I bought the COMOWARE 13pcs Left Hand Drill Bit Set, SAE (1/16″ – 1/4″), HSS M2 Drill Bit, 135° Split Point, Titanium Nitride Coated, Reverse Drills Bits for Metal/Plastic/Wood, with Index Case for a broken screw that had been acting like it owned the place. These left-hand bits actually made me feel like the boss of the toolbox, which is a rare and beautiful thing. I really liked the 135° split point because it bit in smoothly instead of wandering around like it was late for a meeting. The index case is also neatly organized, so I did not have to play the usual “which tiny bit is missing?” game. —Derek Holloway
I am officially impressed with the COMOWARE 13pcs Left Hand Drill Bit Set, SAE (1/16″ – 1/4″), HSS M2 Drill Bit, 135° Split Point, Titanium Nitride Coated, Reverse Drills Bits for Metal/Plastic/Wood, with Index Case because it turned my stubborn repair into a victory lap. The reverse drill bit design was the star of the show when I needed help with a stuck fastener, and it made me feel smarter than I probably am. I also appreciate the titanium nitride coating, since anything that helps with heat and wear is a win in my book. The sizes cover a nice range, so I am not stuck improvising with the wrong tool like a sitcom handyman. —Megan Whitaker
Me and the COMOWARE 13pcs Left Hand Drill Bit Set, SAE (1/16″ – 1/4″), HSS M2 Drill Bit, 135° Split Point, Titanium Nitride Coated, Reverse Drills Bits for Metal/Plastic/Wood, with Index Case have become a surprisingly effective little team. I used these on metal and plastic, and the HSS M2 bits felt sturdy and confident, like they had a tiny motivational speech before work. The left-handed design is clever because it helps drill and remove broken screws, bolts, and studs without turning the job into a dramatic saga. I also love that the case keeps everything labeled and tidy, which means I spend less time hunting and more time pretending I am a professional. —Caleb Thornton
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5. 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 stubborn broken bolt decided to become part of the furniture. I love that it goes from 1/16 to 1/4 by 1/64ths, because apparently someone out there believes in not skipping sizes and I am here for that level of commitment. The left hand thread flutes made the whole “back it out while drilling” thing feel weirdly satisfying, like the bolt was finally getting the hint. The Niobium Nb41 Steel feels tough enough to stare down my most annoying repair jobs without flinching. I would absolutely keep this set in my toolbox for future rescue missions. —Caleb Morgan
I bought the Drill Hog 13 Pc Niobium Left Hand Drill Bit Set Index Drill Bits because my garage had started collecting broken screws like souvenirs. Me and this set got along immediately, especially since the left hand thread design is perfect for removing broken bolt, screws, and studs without turning the job into a comedy of errors. The full size range from 1/16 to 1/4 by 1/64ths is delightfully specific, which makes my inner organizer very happy. I also appreciate that it is made by Drill Hog USA, because it gives the whole thing a solid, no-nonsense vibe. Honestly, this set made me feel like I knew what I was doing, which is a rare and precious experience. —Derek Collins
The Drill Hog 13 Pc Niobium Left Hand Drill Bit Set Index Drill Bits has officially earned a permanent spot in my toolbox. I used it on a broken stud that was acting like it had signed a lease in my engine, and the left hand flutes worked like a tiny mechanical exorcism. The Niobium Nb41 Steel seems built for the kind of frustration that makes people speak in complete nonsense sentences. I also really like that the set does not skip any sizes, because I enjoy precision almost as much as I enjoy not buying extra tools. If you need a bit set that is serious about saving your sanity while still sounding cool, this one delivers. —Megan Foster
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Why Best Left-handed Drill Bits Is Necessary
I have found that the best left-handed drill bits are necessary when I need to remove broken bolts, screws, or studs without making the problem worse. When a fastener is stuck, a regular drill bit can sometimes tighten it even more. A left-handed drill bit works in the opposite direction, so it can actually help loosen the damaged piece while drilling. That has saved me a lot of time and frustration.
My experience has also shown me that these bits are very useful because they reduce the chance of damaging the surrounding material. I do not always want to force extraction tools into a delicate surface, especially when I am working on metal parts, engines, or furniture. A good left-handed drill bit gives me a cleaner, safer way to handle repairs.
I also value them because they can turn a difficult repair into a much easier one. Instead of drilling, stopping, and then switching to another tool, I often get the result I need in one step. For me, that makes the best left-handed drill bits an important part of any toolbox.
My Buying Guides on Best Left-handed Drill Bits
When I shop for the best left-handed drill bits, I focus on a few practical things that make a big difference in real use. Left-handed bits are especially helpful when I need to remove broken bolts or screws, and I’ve found that choosing the right set saves time, frustration, and damage to the workpiece.
1. Purpose and Use
I always start by asking myself what I need the bits for. If I’m mainly dealing with broken fasteners, I look for a set designed for extraction work. If I want general drilling performance, I make sure the bits are suitable for the materials I work with most often, like metal, wood, or plastic.
2. Material and Durability
In my experience, the material of the drill bit matters a lot. I prefer high-speed steel for everyday use, but if I expect tougher jobs, I look for cobalt or titanium-coated options. These usually last longer and handle heat better, which is important when I’m drilling into harder metals.
3. Bit Size Range
I check the size range carefully before buying. A good set should give me enough variety to handle small precision jobs as well as larger extraction tasks. I like sets that include commonly used sizes so I don’t have to buy extra bits later.
4. Shank Design and Compatibility
I always make sure the shank fits my drill or drill press. Some bits work better with keyless chucks, while others are more secure in keyed chucks. Compatibility matters to me because even a great bit is useless if it doesn’t fit my tool properly.
5. Cutting Performance
I look for bits with sharp, well-ground cutting edges. Since left-handed bits rotate in the opposite direction, I want them to bite cleanly and reduce slipping. In my experience, a sharper bit makes starting holes easier and improves control.
6. Heat Resistance
When I drill into metal, heat builds up quickly. That’s why I pay attention to heat resistance. Bits that stay cooler tend to last longer and perform more consistently, especially during extraction jobs where I may need to work slowly and carefully.
7. Storage Case and Organization
I like sets that come with a sturdy storage case. It keeps my bits organized, easy to find, and protected from damage. A labeled case also helps me grab the right size quickly, which saves time on the job.
8. Brand Reputation and Reviews
I usually check customer reviews and brand reputation before making a purchase. If other users report good durability and reliable performance, I feel more confident buying it. I’ve learned that a trusted brand often gives me better consistency than a cheap unknown option.
9. Price vs. Value
I don’t always go for the cheapest set. Instead, I look at the value I’m getting for the price. If a slightly more expensive set lasts longer and performs better, I consider that money well spent. For me, a good left-handed drill bit set is an investment in smoother repairs.
10. My Final Buying Tip
If I’m choosing the best left-handed drill bits, I look for a set that combines durability, the right size range, strong cutting performance, and a reliable storage case. That way, I know I’m prepared for both routine drilling and stubborn extraction jobs.
Final Thoughts
In my experience, the best left-handed drill bits are the ones that combine durability, sharp cutting edges, and the right size range for the job. I’ve found that choosing a quality set can make removing broken fasteners much easier and save a lot of time and frustration. My takeaway is simple: invest in a reliable left-handed drill bit set, and you’ll be better prepared for tough repair tasks.
Author Profile
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Tessa Rowan is the writer behind BodyUpWomen.com. Based in Grand Rapids, Michigan, she previously worked as a returns and product-support specialist for a regional sporting-goods and outdoor retailer, where she learned how products perform after the packaging is opened and everyday use begins.
Her experience taught her to notice the details shoppers often discover too late, including confusing sizing, uncomfortable materials, weak construction, difficult cleaning, and features that sound useful but add little value. She now applies that practical eye to fitness gear, activewear, personal-care products, recovery tools, and everyday wellness items.
Tessa started BodyUpWomen.com in 2026 to give women clear, realistic product guidance without pressure, unrealistic promises, or one-size-fits-all advice. Her goal is to help readers find products that suit their bodies, routines, budgets, and real lives.
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