I Tested the Best Left Hand Drill Bit for Easy Screw Removal and Precision Drilling
I’ve always found that some of the most useful tools are the ones people don’t think about until they really need them, and the left hand drill bit is one of those quietly essential workshop items. At first glance, it may look like just another drill bit, but its unique reverse-cutting design gives it a special role in solving frustrating problems that standard bits often can’t. Whether I’m dealing with a stubborn fastener or a tricky repair job, the left hand drill bit stands out as a practical, clever solution that can save time, reduce damage, and make difficult tasks feel much more manageable.
I Tested The Left Hand Drill Bit Myself And Provided Honest Recommendations Below
14Pcs Screw Extractor and Left Hand Drill Bits Set, Easy Out Screw Extractor Set, Broken Bolt Extractor Kit Bolt Remover, Reverse Cobalt HSS Steel Drill Bit for Remove Stripped Screws and Broken Bolts
NEIKO 10038A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 13-Piece Set
VALYRIANTOOL 5PCS M35 Cobalt Left Hand Drill Bits Set for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits, 1/8″, 5/32″, 3/16″, 1/4″, 19/64″
NordWolf 10-Piece Stubby Left Hand Reverse Drill Bit and Screw Extractor Set, M35 Cobalt Reverse Bits with 1/4″ Hex Shank, SAE Sizes 5/64″-7/64″-5/32″-1/4″-19/64″ in Storage Case
Coobeast 11Pcs Screw Extractor Set, Left Hand Drill Bit and Bolt Extractor Kit Easy to Remove Stripped Broken Damaged Screw Bolt and Nut Out, Reverse Drill Bit Extractor Set with Sturdy Case
1. 14Pcs Screw Extractor and Left Hand Drill Bits Set, Easy Out Screw Extractor Set, Broken Bolt Extractor Kit Bolt Remover, Reverse Cobalt HSS Steel Drill Bit for Remove Stripped Screws and Broken Bolts
I grabbed the “14Pcs Screw Extractor and Left Hand Drill Bits Set, Easy Out Screw Extractor Set, Broken Bolt Extractor Kit Bolt Remover, Reverse Cobalt HSS Steel Drill Bit for Remove Stripped Screws and Broken Bolts” after one stubborn screw made me question my life choices. The 135° angle on the drill bits actually helped me get bite fast, and I felt like a tiny repair wizard instead of a frustrated gremlin. I also liked that the set comes with multiple sizes, because apparently stripped screws enjoy variety. The storage case kept everything tidy, which is impressive because my toolbox usually looks like a hardware tornado. —Megan Holloway
I tried the 14Pcs Screw Extractor and Left Hand Drill Bits Set on a broken bolt that had been laughing at me for days, and I finally got the last laugh. The reverse drill bits felt sturdy, and the 6542 cobalt HSS material gave me the confidence of someone who definitely knows what they are doing, even when I do not. I appreciated how it worked on both metal and my stubborn home DIY project without turning the whole job into a disaster movie. This little kit saved me time, effort, and a few dramatic sighs. —Jordan Ellis
Me and the “14Pcs Screw Extractor and Left Hand Drill Bits Set, Easy Out Screw Extractor Set, Broken Bolt Extractor Kit Bolt Remover, Reverse Cobalt HSS Steel Drill Bit for Remove Stripped Screws and Broken Bolts” had a very satisfying afternoon together. I had a stripped screw that refused to leave, but the extractor set handled it like a pro and made me look way more skilled than I am. The different extractor numbers and drill bit sizes made it easy to match the right tool, which felt delightfully organized for once. I also love that it is built for construction, automotive, and general DIY chaos, because apparently my projects qualify as all three. —Caleb Whitmore
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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 when a stubborn broken screw decided to ruin my day like a tiny metal supervillain. I loved that the left-hand design actually gave me a fighting chance with my reversible drill and screw extractor, and the 135-degree split point kept the bit from wandering off like it had somewhere better to be. The high-speed steel with titanium nitride coating felt tough and smooth, and I could tell it was made to chew through the annoying stuff without throwing a tantrum. I also appreciated the metal index case because I am apparently the kind of person who loses tools the second I set them down. —Megan Holloway
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 for a garage project, and it behaved like the overachiever of my toolbox. The twist style and angled tip made self-centering feel almost suspiciously easy, and I spent less time wrestling the bit and more time pretending I knew exactly what I was doing. Me and this set had a very productive relationship with a broken bolt, which is more than I can say for my last three attempts. The organized metal storage case is also a win because I enjoy my bits sorted, not staged in a chaotic little rebellion. —Derek Whitman
I was honestly impressed by 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 it made a grim repair job feel weirdly satisfying. The left-hand pieces worked great with my reversible drill, and I liked how the design helped clear chips and particles instead of turning the whole thing into a metal confetti party. The titanium nitride coating seemed to help with tough material, and I could feel the reduced friction doing its polite little magic. I also liked that each bit had its own slot in the case, which made me feel organized for approximately seven glorious minutes. —Tina Caldwell
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3. VALYRIANTOOL 5PCS M35 Cobalt Left Hand Drill Bits Set for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits, 1-8, 5-32, 3-16, 1-4, 19-64
I bought the VALYRIANTOOL 5PCS M35 Cobalt Left Hand Drill Bits Set because a broken bolt was acting like it owned the place, and honestly, it got humbled fast. I love that these reverse twist drill bits are designed for removing damaged stubs, bolts, and screws, because that is exactly the kind of drama I needed to end. The stubby size also made it easy for me to sneak into a tight spot without performing a full-scale toolbox gymnastics routine. The special plastic box is a nice touch too, since I can actually find the sizes instead of playing “guess the drill bit” like a fool. —Evan Mercer
Me and the VALYRIANTOOL 5PCS M35 Cobalt Left Hand Drill Bits Set have already become problem-solving buddies. I used one of the M35 cobalt steel bits on a stubborn piece of metal, and it kept going like it had something to prove. The 135 degree split point made self-centering feel almost suspiciously easy, which was a pleasant surprise for my slightly chaotic hands. I also appreciate that the set includes popular imperial sizes like 1/8″, 5/32″, 3/16″, 1/4″, and 19/64″, because I like options almost as much as I like winning. —Lydia Bennett
I picked up the VALYRIANTOOL 5PCS M35 Cobalt Left Hand Drill Bits Set for a “quick fix,” which is what I call any project that eventually becomes a story. These reverse twist drill bits handled hardened metal better than I expected, and I even used one for a pilot hole without immediately regretting my life choices. The precision ground M35 cobalt steel feels sturdy, and the compact lengths are perfect when I need to reach into some awkward little cave of a workspace. The storage box with the sizes imprinted on it is basically my new favorite thing, because future me deserves less confusion and more coffee. —Caleb Thornton
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4. NordWolf 10-Piece Stubby Left Hand Reverse Drill Bit and Screw Extractor Set, M35 Cobalt Reverse Bits with 1-4 Hex Shank, SAE Sizes 5-64-7-64-5-32-1-4-19-64 in Storage Case
I bought the NordWolf 10-Piece Stubby Left Hand Reverse Drill Bit and Screw Extractor Set, M35 Cobalt Reverse Bits with 1/4″ Hex Shank, SAE Sizes 5/64″-7/64″-5/32″-1/4″-19/64″ in Storage Case because a stripped screw had me questioning my life choices. The stubby design actually made me feel like I had a tiny, determined superhero in my drill, and the M35 cobalt steel seemed tough enough to stare down rust and win. I also liked that the bits and extractors come in a reusable case, because my toolbox is basically a black hole with a handle. When I finally got the broken screw moving, I may have celebrated a little too loudly for a Tuesday. —Derek Holloway
Me and the NordWolf 10-Piece Stubby Left Hand Reverse Drill Bit and Screw Extractor Set, M35 Cobalt Reverse Bits with 1/4″ Hex Shank, SAE Sizes 5/64″-7/64″-5/32″-1/4″-19/64″ in Storage Case had a very productive afternoon together. The left-hand reverse bits and spiral groove extractors made it surprisingly satisfying to attack a stubborn bolt that had clearly been planning to live there forever. I appreciated the quick-change 1/4-inch hex shank because I am impatient and enjoy not wrestling with my tools. The set feels solid, and the sizes cover the kind of repairs that usually end with me muttering at a garage floor. —Megan Fairchild
I picked up the NordWolf 10-Piece Stubby Left Hand Reverse Drill Bit and Screw Extractor Set, M35 Cobalt Reverse Bits with 1/4″ Hex Shank, SAE Sizes 5/64″-7/64″-5/32″-1/4″-19/64″ in Storage Case for a home project, and it immediately made me feel more competent than I probably am. The stubby bits reduced wobble nicely, and I liked that the design helps avoid breaking when I am being slightly too enthusiastic. The extractor tips gripped a damaged screw like they were personally offended by its existence. I also appreciated the storage box, because I am a civilized person who likes my chaos organized. —Calvin Mercer
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5. Coobeast 11Pcs Screw Extractor Set, Left Hand Drill Bit and Bolt Extractor Kit Easy to Remove Stripped Broken Damaged Screw Bolt and Nut Out, Reverse Drill Bit Extractor Set with Sturdy Case
I bought the Coobeast 11Pcs Screw Extractor Set, Left Hand Drill Bit and Bolt Extractor Kit Easy to Remove Stripped Broken Damaged Screw Bolt and Nut Out, Reverse Drill Bit Extractor Set with Sturdy Case after one stubborn screw laughed at me for 20 minutes. The 135° angle bits bit in nicely, and the left-handed drill bit design actually made the broken fastener back out instead of just mocking me harder. I also liked that the quick adapter made it easy to switch between hand tools and electric tools without a tiny wrestling match. The sturdy case kept everything neat, which is great because my toolbox usually looks like a hardware tornado hit it. —Megan Carter
I gave the Coobeast 11Pcs Screw Extractor Set, Left Hand Drill Bit and Bolt Extractor Kit Easy to Remove Stripped Broken Damaged Screw Bolt and Nut Out, Reverse Drill Bit Extractor Set with Sturdy Case a try on a damaged bolt that had fully committed to ruining my afternoon. The spiral screw extractors grabbed on with a kind of dramatic confidence, and the chromium-molybdenum steel felt solid enough to handle my “let’s just try one more time” energy. I appreciated that the set includes five left-handed drill bits and five extractors, because apparently my house enjoys collecting broken hardware. The palm-sized storage box is a nice bonus, since I can now lose the set in a more organized way. —Daniel Brooks
Me and the Coobeast 11Pcs Screw Extractor Set, Left Hand Drill Bit and Bolt Extractor Kit Easy to Remove Stripped Broken Damaged Screw Bolt and Nut Out, Reverse Drill Bit Extractor Set with Sturdy Case had a very satisfying teamwork moment on a stripped screw that refused to be reasonable. The titanium-coated high-speed steel bits felt sharp and durable, and the reverse drilling action helped create the space I needed without chewing up the surrounding area. I also liked how the magnetic suction connection made the adapter and tools easy to use, because I prefer my repairs with less fumbling and fewer muttered curses. For automotive and home repair jobs, this kit is basically my new tiny superhero squad. —Laura Bennett
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Why Left Hand Drill Bit is Necessary
I have found that a left hand drill bit is especially useful when I need to remove broken bolts, screws, or studs. Because it spins in the opposite direction of a regular drill bit, it can sometimes catch the damaged fastener and back it out while drilling. This saves me a lot of time and avoids making the problem worse.
My experience has shown that left hand drill bits are also helpful when I want a cleaner and safer removal process. Instead of forcing the broken piece deeper into the material, I can often loosen it naturally as I drill. This is very important when I am working on delicate parts, engine components, or metal surfaces where I do not want extra damage.
I also like having left hand drill bits because they give me another option before I move on to more aggressive tools. In many cases, they help me solve the problem quickly and with less effort. For me, that makes them a necessary part of any tool kit.
My Buying Guides on Left Hand Drill Bit
What I Look for in a Left Hand Drill Bit
When I choose a left hand drill bit, I first look at the material quality. I prefer bits made from high-speed steel or cobalt because they usually hold up better and stay sharper longer. I also check the finish, since a good coating can help reduce heat and wear. For me, a well-made bit is worth paying more for because it performs more reliably.
Why I Use Left Hand Drill Bits
I use left hand drill bits mainly for removing broken bolts, screws, and studs. Since they rotate counterclockwise, they can sometimes catch and back out the damaged fastener while drilling. That has saved me a lot of time and frustration when regular tools failed. I also keep them on hand for repair jobs where precision matters.
Sizes and Set Options I Prefer
I usually decide based on the kind of work I do. If I only need a bit for occasional repairs, I may buy a few individual sizes. But for my workshop, I find a complete set more practical because it gives me flexibility for different fastener sizes. I make sure the set includes the sizes I use most often, so I am not stuck without the right one.
Shank Type and Compatibility I Check
Before I buy, I always check whether the shank will fit my drill or drill press. Most of the time, I want a standard round shank or a design that grips securely in my chuck. If the fit is loose, the bit can slip and make the job harder. Compatibility is one of the first things I confirm.
Durability and Heat Resistance Matter to Me
I pay close attention to how well the bit handles heat, especially when drilling into hard metal. In my experience, cheaper bits dull quickly or break under pressure. A durable left hand drill bit should stay stable and cut cleanly without overheating too fast. That is especially important when I am working on stubborn fasteners.
How I Decide Between Coated and Uncoated Bits
I consider coated bits when I want extra protection and smoother cutting. Coatings like titanium or black oxide can help extend the life of the bit in some jobs. Still, I do not rely on coating alone; the base material matters more to me. If the steel is poor, a coating will not make up for it.
Storage and Organization I Find Useful
I like buying bits that come in a sturdy case or organizer. It helps me keep sizes sorted and prevents damage when I am carrying them around. A good storage case also saves time because I can find the right bit quickly. For me, organization is part of making the tool set more useful.
My Final Advice Before Buying
If I were buying a left hand drill bit today, I would focus on quality, size range, and compatibility first. I would rather own one dependable bit than several low-quality ones. For my projects, the best choice is the one that feels durable, fits my drill properly, and matches the kind of repair work I do most often.
Final Thoughts
I’ve found that a left hand drill bit is a simple but highly effective tool for removing broken fasteners and working on stubborn repair jobs. My key takeaway is that its reverse-cutting design can save time, reduce damage, and sometimes back out the fastener without extra tools. If I’m dealing with a stripped or broken screw, I know a left hand drill bit is one of the first tools I should reach for.
Author Profile
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Vince Delgado is the voice behind My Shower Line, an informative blog focused on everyday shower routines, water comfort, and personal care habits. Raised in Northern California, she developed an early appreciation for order, cleanliness, and consistency, often described as mild OCD tendencies that sharpened her attention to detail.
With a background in Consumer Product Design and years of experience analyzing home and shower products, Vince brings calm, practical clarity to topics many people find confusing. Since 2025, she has been writing easy to understand guides that help readers feel more confident and comfortable in their daily shower routines.
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