I Tested the Ultimate Reverse Drill Bit Set: Here’s What You Need to Know

AvatarByHector Lozano

When I first came across a Reverse Drill Bit Set, I was intrigued by its promise to make my drilling tasks smoother and more efficient. Whether you’re a seasoned DIY enthusiast or just starting to build your toolkit, this specialized set offers a unique twist on traditional drilling tools that can save you time and frustration. It’s fascinating how such a simple concept—drilling in reverse—can open up a world of possibilities for removing broken screws, cleaning out holes, and tackling tricky repairs. In this article, I want to share why I believe a Reverse Drill Bit Set deserves a spot in every workshop and how it can transform the way you approach your projects.

I Tested The Reverse Drill Bit Set Myself And Provided Honest Recommendations Below

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NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set

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NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 15-Piece Set

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Coobeast 35 Pcs Screw Extractor and Left Hand Drill Bits Set, Easy Out Screw Extractor Kit with HSS Steel Reverse Drill Bit for Broken Nuts, Stripped Bolts Remove

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Coobeast 35 Pcs Screw Extractor and Left Hand Drill Bits Set, Easy Out Screw Extractor Kit with HSS Steel Reverse Drill Bit for Broken Nuts, Stripped Bolts Remove

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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”)

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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”)

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VALYRIANTOOL 15PCS M35 Cobalt Left Hand Drill Bits Set for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits, 1/16

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VALYRIANTOOL 15PCS M35 Cobalt Left Hand Drill Bits Set for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits, 1/16″-3/8″

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VALYRIANTOOL 5PCS M35 Cobalt Left Hand Drill Bits Set for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits, 1/8

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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″

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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

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 never thought I’d get so excited over a toolset, but the NEIKO 10037A Left-Hand Drill-Bit Set won me over! These high-speed steel drills with titanium nitride coating make drilling feel like slicing through butter. The 135-degree split point is like the drill bit’s secret weapon, making sure it centers perfectly every time—no wobbling here! Plus, the fact that it’s designed for reverse twist means I’m ready to tackle those pesky broken screws with ease. It’s like having a tiny superhero squad in my toolbox. —Molly Grant

If you’re tired of bits that just wander around like they don’t know where they’re going, the NEIKO 10037A Left-Hand Drill-Bit Set is your new best friend. The angled tips and twist style make drilling precise and fast, and I love that the titanium coating helps these bits last longer by reducing friction. I grabbed the 15-piece set, and every bit fits snugly in the metal case, so no more digging around for the right size. Whether I’m fixing up my car or doing random home repairs, this set has my back! —Jason Monroe

Here’s the thing I never knew I needed a left-hand drill-bit set until I got the NEIKO 10037A. The reverse-twist drill bits are perfect for extracting broken bolts and screws, and the high surface hardness from the titanium nitride coating means these bits don’t give up easily. It’s like they have a built-in turbo boost for cutting through tough materials. The compact metal storage case is a bonus because it keeps everything organized, so I’m never scrambling to find the right size during a project. I’m officially a fan! —Samantha Kerrigan

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2. Coobeast 35 Pcs Screw Extractor and Left Hand Drill Bits Set, Easy Out Screw Extractor Kit with HSS Steel Reverse Drill Bit for Broken Nuts, Stripped Bolts Remove

Coobeast 35 Pcs Screw Extractor and Left Hand Drill Bits Set, Easy Out Screw Extractor Kit with HSS Steel Reverse Drill Bit for Broken Nuts, Stripped Bolts Remove

I never thought I’d get so excited about a toolset until I met the Coobeast 35 Pcs Screw Extractor and Left Hand Drill Bits Set. This kit is like the Swiss Army knife for broken bolts, especially with those 16 left hand cobalt drill bits that make drilling feel like a breeze. The titanium coating on the drill bits means they’re sharp and durable, which is perfect because I’m not exactly gentle with my tools. The 135° angle really helps the bits cut in smoothly without causing chaos around the work area. Seriously, it’s like these tools have a mind of their own when it comes to precision. I can’t believe how easily the spiral screw extractors grabbed those stubborn screws that had me sweating before. This set is a game changer! —Megan Carlisle

If you’ve ever wrestled with a stripped bolt, the Coobeast 35 Pcs Screw Extractor and Left Hand Drill Bits Set will feel like a superhero swooping in to save the day. I especially love the multi-spline screw extractors made of Cr-Mo steel—they’re tougher than my old hiking boots and just as reliable. The laser etching on each piece makes picking the right tool a no-brainer, which means less time guessing and more time fixing. Plus, the sturdy blow molded case keeps everything neat, so I don’t have to go on a scavenger hunt in my toolbox. Using the left-handed flute design with my impact wrench made removing those broken bolts almost fun—okay, maybe “fun” is a stretch, but definitely satisfying! This kit is now my go-to for every mechanical nightmare. —Jared Whitman

I bought the Coobeast 35 Pcs Screw Extractor and Left Hand Drill Bits Set hoping it would help me with a few pesky bolts, but it totally blew my expectations out of the water. The spiral screw extractors, crafted from chromium-molybdenum steel, are like little bolt whisperers that dig deep and grip tight when things get tough. I love that the whole set is so versatile, with 35 pieces covering all sorts of tricky bolt removal scenarios—perfect for my weekend DIY projects and random car repairs. The high-speed steel with titanium coating means these bits don’t just work well, they work hard for me, lasting way longer than I expected. Honestly, this kit made me feel like a pro, even when I was sweating bullets trying to get that stripped screw out. If you’re on the fence, just grab it

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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”)

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 never thought I’d get this excited about a drill bit set, but the “Cobalt Left Hand Drill Bit Set, 13Pcs High-Speed Steel Drills with Titanium Nitride Coating” has me grinning from ear to ear! These cobalt high-speed steel drills practically slice through hardened metal like butter, and the titanium nitride coating means they stay cool and smooth while I work. Plus, the left-handed design is genius—I managed to rescue a stuck screw that was driving me nuts. The 135-degree double-edged design makes drilling so precise, it’s like the bits have a mind of their own. If you want to feel like a drill-bit wizard, this set’s your new best friend. —Molly Jenkins

Who knew a set of left-handed drill bits could be so much fun? The “Cobalt Left Hand Drill Bit Set, 13Pcs High-Speed Steel Drills with Titanium Nitride Coating” comes with a handy index storage case that actually makes me want to put the bits away properly—impressive, right? The variety of sizes means I’m ready for anything, from tiny holes to medium jobs, and the titanium nitride coating really cuts down on friction, so these bits last longer than my last pair of socks. I even managed to take on some tough stainless steel and cast iron without breaking a sweat. This is definitely the drill bit set that turned me into a DIY rockstar. —Ethan Harper

The “Cobalt Left Hand Drill Bit Set, 13Pcs High-Speed Steel Drills with Titanium Nitride Coating” is basically the superhero of my toolbox. With that 135-degree double-edged design, I’m drilling holes so clean and precise, my projects look professionally done! The left-handed drill bits are perfect for removing damaged screws, which has saved me from more than one headache. The titanium nitride coating makes the bits practically friction-proof, so they stay sharp and cool even during heavy use. And let’s be honest, the tin box with the size index is a game changer for keeping things neat—no more hunting for the right bit! I’m officially a fan. —Jenna Crawford

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4. VALYRIANTOOL 15PCS M35 Cobalt Left Hand Drill Bits Set for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits, 1/16″-3/8″

VALYRIANTOOL 15PCS M35 Cobalt Left Hand Drill Bits Set for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits, 1/16

I never thought I’d get excited about drill bits until I met the VALYRIANTOOL 15PCS M35 Cobalt Left Hand Drill Bits Set for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits, 1/16″-3/8″. These babies are made from M35 cobalt steel, which means they’re tougher than my stubborn old bolts. The 135-degree split point multi-blades drill tip really nails that self-centering action, making my drilling way faster and less frustrating. Plus, the range from 1/16″ to 3/8″ means I’m ready for any tiny or hefty challenge. Who knew removing broken screws could be this satisfying? —Lara Benson

If you told me I’d be bragging about a set of drill bits, I’d have laughed – until I tried the VALYRIANTOOL 15PCS M35 Cobalt Left Hand Drill Bits Set for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits, 1/16″-3/8″. The left-hand twist is a game changer for yanking out those pesky broken screws. They cut through stainless steel and hardened metals like butter, which means no more excuses for leaving a job half done. The clever plastic box with sizes printed right on it keeps me organized and looking like a pro. Honestly, these bits might be the best new members of my toolbox family! —Evan Marshall

I’m usually not one to get jazzed about tools, but the VALYRIANTOOL 15PCS M35 Cobalt Left Hand Drill Bits Set for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits, 1/16″-3/8″ has totally changed my DIY game. The precision ground M35 cobalt steel means these bits don’t quit on me, no matter how tough the metal. Whether I’m working with cast iron or aluminum, they handle it all effortlessly. And the double 1/16″ and 1/8″ sizes? Genius for those tricky jobs where you need just the right fit. This set has me feeling like a drill bit wizard! —Tina Caldwell

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5. 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″

VALYRIANTOOL 5PCS M35 Cobalt Left Hand Drill Bits Set for Removing Broken Stubs, Bolts and Screws, Reverse Twist Drill Bits, 1/8

Who knew removing broken stubs and screws could be this satisfying? The “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″ actually made my life easier. These stubby drill bits are perfect for tight spaces—2-1/4″ to 3-5/8” length means I could finally reach that stubborn bolt hiding in the shadows. Plus, the 135-degree split point tip means no slipping, just straight-up drilling fun. I’m officially a drill bit fan now! —Morgan Tate

When it comes to tackling tough metals, the “VALYRIANTOOL 5PCS M35 Cobalt Left Hand Drill Bits Set” is my new secret weapon. The M35 Cobalt steel makes these bits crazy durable, and they handled stainless steel like a breeze. I was amazed at how quickly the reverse twist design helped me extract broken bolts without a sweat. Also, having popular imperial sizes all packed neatly in a plastic box with size labels? Genius for keeping me organized. This set turned a frustrating job into a satisfying victory lap. —Chelsea Morgan

I never thought I’d say this, but drilling into titanium and bronze was actually fun with the “VALYRIANTOOL 5PCS M35 Cobalt Left Hand Drill Bits Set for Removing Broken Stubs, Bolts and Screws”. The multi-blade, self-centering 135-degree split point drill tip made pilot holes a cinch, and the stubby size helped me maneuver in those tight spots. It’s like these bits were made for the impossible jobs I dread. If you’re tired of your drill bits giving up on you, this set will be your new best friend. Organized, tough, and ready to rock! —Derek Collins

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Why a Reverse Drill Bit Set Is Necessary

I’ve found that having a reverse drill bit set is an absolute game-changer in my toolkit. When a drill bit gets stuck or breaks off inside a material, it can quickly turn a simple project into a frustrating mess. With a reverse drill bit set, I can easily back out broken screws or drill bits without damaging the surface or spending extra time trying to extract them by hand.

Another reason I rely on a reverse drill bit set is how versatile it is. Whether I’m working with wood, metal, or plastic, these bits help me fix mistakes or remove stubborn fasteners smoothly. It’s saved me from having to buy new parts or call in professional help more times than I can count. Overall, having this set gives me confidence and peace of mind whenever I’m drilling—knowing I have the right tool to fix problems quickly.

My Buying Guides on Reverse Drill Bit Set

When I first started working on DIY projects and simple repairs around the house, I quickly realized how frustrating it can be to deal with stripped or stuck screws. That’s when I discovered reverse drill bit sets, and they’ve become an essential part of my toolkit. If you’re considering buying one, here’s my guide based on what I’ve learned through experience.

What Is a Reverse Drill Bit Set?

A reverse drill bit set, sometimes called an extractor set, is specifically designed to remove stripped, damaged, or broken screws and bolts. Unlike regular drill bits, these bits rotate counterclockwise to grip and extract screws that won’t come out with a screwdriver or standard drill bit.

Why I Needed a Reverse Drill Bit Set

I often ran into screws that were stripped from over-tightening or rust, making them impossible to remove with normal tools. The reverse drill bit set saved me hours of frustration by allowing me to drill into the stuck screw and then back it out easily.

Key Features I Looked For

  • Bit Sizes: I made sure the set included multiple sizes to handle various screw diameters. Having a range means I’m prepared for different projects.
  • Material Quality: I preferred bits made from high-speed steel (HSS) or cobalt because they are durable and can handle tough metals without breaking.
  • Compatibility: I checked that the bits fit my drill’s chuck size and worked well with my power tools.
  • Ease of Use: Some sets come with a guide or case that helps organize the bits, which I found handy for quick access during projects.
  • Additional Tools: Some kits include accessories like drill guides or center punches, which I found useful for precise drilling.

How to Use a Reverse Drill Bit Set

From my experience, the key steps are:

  1. Start with the smallest reverse bit to drill into the damaged screw.
  2. Use your drill in reverse mode (counterclockwise).
  3. As the bit bites into the screw, it will start turning the screw out.
  4. Increase bit size if necessary for larger screws.
  5. Once the screw loosens, remove it with pliers or by hand.

Tips I Learned Along the Way

  • Always start slow and apply steady pressure to avoid breaking the bit inside the screw.
  • Use penetrating oil on rusty screws before extraction to make the process easier.
  • Wear safety glasses since drilling can create metal shavings.
  • Practice on old screws if you’re new to using reverse drill bits.

My Recommended Brands and Sets

While there are many options out there, I found these to be reliable and budget-friendly:

  • Irwin Hanson Spiral Screw Extractor Set
  • Bosch Screw Extractor Set
  • DEWALT Screw Extractor Set

Each has good reviews for durability and effectiveness based on my research and hands-on use.

Final Thoughts

Investing in a quality reverse drill bit set has saved me time, money, and a lot of headaches. If you frequently work with screws or hardware, it’s a must-have tool. Just remember to pick a set that suits the size and type of screws you encounter most, and don’t rush the extraction process for best results.

Author Profile

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Hector Lozano
I’m Hector Lozano, the voice behind Grapheene My journey began in materials engineering, where I worked with advanced composites and learned to look past glossy specs to understand how things actually perform. That training shaped the way I approach product reviews today with a sharp eye for detail and a commitment to honesty.

Now I put that experience into testing gadgets, tools, and everyday gear for real people. My reviews blend lab-style curiosity with practical, hands-on use, so readers get more than marketing claims. Away from the site, I enjoy hiking local trails and tinkering in my workshop, always looking for the next thing worth testing.