Top 15 Best Left Hand Drill Bits That Will Blow Your Mind
If you work with metal or wood and often deal with stuck or broken screws, having the right drill bit can make all the difference. Best left hand drill bits are designed specifically to remove damaged screws and bolts by rotating counterclockwise. These tools are especially useful for mechanics, DIYers, and professionals who frequently encounter stripped fasteners or seized hardware.
Choosing the right left handed drill bit can save time and reduce frustration by drilling out screws without causing further damage. In this review, we will explore some of the best left hand drill bits available, focusing on their durability, ease of use, and effectiveness.
Whether you need to clear out old screws or want a reliable bit for repair jobs, this guide will help you find a suitable option that fits your needs.
Discover the Ultimate Tools That Deliver Precision and Durability for Left-Handed Projects
| Image | Product | Price |
|---|---|---|
Our Selected Top 1 ![]() | 5PCS M35 Cobalt Left Hand Drill Bits Set for Removing | Check Price Now |
Our Selected Top 2 ![]() | 15PCS M35 Cobalt Left Hand Drill Bits Set for Removing | Check Price Now |
Our Selected Top 3 ![]() | Coobeast 35 Pcs Screw Extractor and Left Hand Drill Bits | Check Price Now |
1. 5PCS M35 Cobalt Left Hand Drill Bits Set for Removing

Discover precision and durability with the 5PCS M35 Cobalt Left Hand Drill Bits Set. Specially designed for removing damaged bolts, screws, and stubs, this set combines strength with compact design.
Crafted from high-quality M35 cobalt steel, these drill bits promise long-lasting sharpness and resistance to wear. Their stubby length, ranging from 2-1/4 to 3-5/8, allows access to confined spaces often unreachable by standard bits.
Designed with a 135-degree split point tip featuring multi-blades, these bits self-center efficiently. This reduces bit walking and facilitates quicker drilling through hardened metals like stainless steel, titanium, bronze, and cast iron. Their left-hand rotation helps in removing broken or damaged fasteners without causing further damage.
Their left-hand rotation helps in removing broken or damaged fasteners without causing further damage.
The set includes popular imperial sizes: 1/8, 5/32, 3/16, 1/4, and 19/64. Each bit is carefully labeled and stored in a sturdy plastic case, making organization and identification simple.
These bits are not only suited for professionals but also ideal for DIY users tackling repair or maintenance jobs.
Compared to standard drill bits, this M35 cobalt set handles tougher materials with enhanced heat resistance, reducing the risk of premature dulling. The compact design also provides superior handling and control during use. Overall, this set delivers excellent value through versatility, build quality, and convenience.
Pros
- Durable M35 cobalt steel construction for long bit life
- Stubby length enables drilling in tight and hard-to-reach areas
- 135-degree split point tip ensures fast, accurate, and self-centering drilling
Cons
- Limited set size may require additional bits for varied drill diameters
Offering a solid balance between toughness and precision, the 5PCS M35 Cobalt Left Hand Drill Bits Set stands out in the realm of metal drill bits. Its compact form and tough material improve efficiency when tackling stubborn fasteners or drilling challenging metals.
The included storage case adds ease to managing the bits on any worksite.
| Specification | Details |
|---|---|
| Brand | VALYRIANTOOL |
| Material | M35 Cobalt Steel |
| Set Size | 5 Pieces |
| Drill Bit Length Range | 2-1/4″ to 3-5/8″ |
| Sizes Included | 1/8″, 5/32″, 3/16″, 1/4″, 19/64″ |
| Drill Tip Angle | 135° Split Point |
| Suitability | Stainless Steel, Hardened Metals, Cast Iron, Titanium |
| Packaging | Plastic Case with Size Labels |
In my experience, these drill bits excel when working on damaged or seized fasteners. Their left-hand rotation and cobalt composition reduce breakage risks during tough jobs.
The compact design is especially helpful when space is limited, outperforming typical longer drill bits. While the set isn’t extensive, it covers common sizes needed for many repair and maintenance tasks, making it a practical addition to any toolbox.
2. 15PCS M35 Cobalt Left Hand Drill Bits Set for Removing

Experience precision and durability with the 15PCS M35 Cobalt Left Hand Drill Bits Set. Designed to deliver efficient drilling and easy removal of damaged screws, bolts, and stubs, these drill bits stand out for their high-quality construction and versatile application.
Whether working on hardened metals or creating pilot holes, this set offers unmatched reliability.
Crafted from M35 cobalt steel, each bit provides excellent hardness and heat resistance, promising an extended lifespan. The left hand design optimizes the extraction of stubborn fasteners, making it an essential tool for metalworkers and mechanics alike.
The set features sizes ranging from 1/16 to 3/8, covering a broad range of drilling needs. Each drill bit sports a 135-degree split point tip, which ensures fast self-centering and reduces walking.
This feature significantly enhances drilling accuracy and speed, especially on tough surfaces.
Constructed with precision-ground M35 cobalt steel, these drill bits resist wear and maintain sharpness over time. Their high hardness level makes them ideal for drilling through stainless steel, titanium, cast iron, aluminum, and bronze.
Packaging is user-friendly, with a durable plastic case that clearly marks each bit size. This simple storage solution allows for hassle-free organization and easy size identification, enhancing convenience on job sites and workshops.
Ideal for professionals and hobbyists requiring reliable left hand drill bits for bolt removal or metal drilling tasks. The versatile set provides both efficiency and accuracy, catering to various materials and maintenance operations.
Its multi-purpose nature sets it apart from typical drill bit sets designed solely for standard drilling.
Pros
- Durable M35 cobalt steel construction for long-lasting use
- 135-degree split point tips for fast self-centering and accurate drilling
- Wide size range from 1/16″ to 3/8″ covering multiple applications
Cons
- Left hand drill bits may require compatible drill motors for best results
This set stands as a valuable addition to any toolkit, particularly for those dealing with damaged fasteners or hardened metals. Its sharp, robust drill bits provide dependable performance across various tough materials, while the organized case facilitates easy storage.
Compared to standard drill bits, the left hand design offers an effective solution for bolt and screw removal challenges.
| Specification | Details |
|---|---|
| Brand | VALYRIANTOOL |
| Material | M35 Cobalt Steel |
| Set Count | 15 Pieces |
| Drill Bit Sizes | 1/16″ (x2), 5/64″, 3/32″, 7/64″, 1/8″ (x2), 9/64″, 5/32″, 3/16″ (x2), 7/32″, 1/4″, 5/16″, 3/8″ |
| Tip Angle | 135 Degrees Split Point |
| Applications | Stainless steel, Cast iron, Titanium, Bronze, Aluminium, Hardened metals |
| Packaging | Plastic box with size imprint |
Overall, these drill bits provide a practical and sturdy solution ideal for tackling difficult drilling and removing tasks. The specialized left hand design combined with cobalt steel quality creates a set capable of handling demanding conditions.
3. Coobeast 35 Pcs Screw Extractor and Left Hand Drill Bits

Discover a powerful toolkit crafted to resolve tough bolt and screw removal challenges effortlessly. The Coobeast 35 Pcs Screw Extractor and Left Hand Drill Bits set brings precision and durability together for effective maintenance work.
Engineered with a combination of cobalt and chrome molybdenum steel, this comprehensive kit is tailored to tackle a variety of stubborn screws and bolts. Its left-hand drill bits are specially designed to ease removal tasks, while the extractors provide a firm grip on broken or damaged fasteners.
Boasting 35 pieces, the set includes 16 left-hand cobalt drill bits featuring titanium coating. These bits provide enhanced hardness and retain sharpness for longer use.
Included are 13 multi-spline screw extractors made from robust Cr-Mo steel. These are sized to precisely match the drill bits and allow simple identification via laser markings. Pairing them with adjustable wrenches or impact wrenches helps detach broken hardware securely without further stripping.
Additionally, six spiral screw extractors offer deep reach options where standard extractors cannot fit. Their spiral flutes firmly embed into damaged screws as resistance rises, making them highly effective at extracting stuck fasteners in difficult spots.
The heavy-duty blow molded case ensures all components stay organized and protected during storage or transport. This bolt extractor set covers automotive, home, and industrial maintenance needs with durable, professional-grade materials. It’s a trustworthy addition to any toolkit looking to provide long-lasting service under demanding conditions.
Pros
- Comprehensive 35-piece kit combines drill bits and multiple extractor types.
- High-quality titanium-coated cobalt bits and Cr-Mo steel extractors offer durability.
- Left-hand design improves efficiency when removing broken bolts and screws.
Cons
- Not recommended for drilling stainless steel materials.
Combining precision engineering and sturdy construction, this screw extractor set delivers dependable results for various maintenance tasks. Its specialized left-handed drill bit design sets it apart from standard kits, reducing the effort required for removing damaged hardware.
Overall, this collection offers strong value for anyone seeking a capable, reliable solution for broken bolt extraction and drilling needs.
| Specification | Details |
|---|---|
| Manufacturer | coobeast |
| Part Number | COQCQ1HS35 |
| Item Weight | 3.54 pounds |
| Package Dimensions | 11.65 x 8.11 x 2.01 inches |
| Size | 35 PCS |
| Color | Black |
| Finish | Titanium |
| Material | Chrome Molybdenum Steel / High Speed Steel |
| Included Components | Left Hand Drill Bit, Spline Screw Extractors, Spiral Screw Extractors |
| Battery Required | No |
| Usage | Inside, Outside, Professional |
In my experience, this Coobeast set stands out due to its well-thought-out combination of left-hand drill bits and various extractor styles. It’s particularly useful when common screw removal methods fail. The quality materials translate into extended tool lifespan, making it a smart investment for regular maintenance.
The quality materials translate into extended tool lifespan, making it a smart investment for regular maintenance. While it’s not meant for stainless steel drilling, its overall versatility and design offer practical benefits that can meet most household and mechanical demands with ease.
4. Cobalt Left Hand Drill Bit Set, 13Pcs High-Speed Steel Drills

Precision and durability meet in the Cobalt Left Hand Drill Bit Set, crafted for tackling tough materials with ease. Designed for reliable performance, these drill bits stand out with their left-handed rotation for specialized tasks.
Perfect for removing damaged screws or drilling against the grain, this set provides versatility whether working in metal, wood, or plastic. The collection of 13 pieces ensures the right size is always at hand, prepared for any project size.
The cobalt composition combined with titanium nitride coating enhances hardness and reduces friction, resulting in longer-lasting drill bits. Each bit has a 135-degree double-edged tip that allows precise hole placement while minimizing runout.
Its left-handed design is especially useful when paired with screw extractors for removing broken screws without damaging surrounding material. The set sizes range from 1/16” up to 1/4”, covering common drilling needs with a compact and organized tin storage box that keeps bits neatly indexed and easy to find.
Durability and efficiency come together to make drilling smoother and more reliable. The polished finish helps in maintaining cutting sharpness over repeated uses, making this set ideal for home workshops, maintenance professionals, and serious DIY users. The solid build and thoughtful design maximize utility during tasks requiring precision and power.
Pros
- Durable cobalt high-speed steel with wear-resistant titanium coating
- Left-hand orientation enhances screw removal and specialized drilling
- Comprehensive 13-piece size range with easy-to-read tin storage case
Cons
- Left-handed bits may not work in all standard drill setups without adjustment
Offering exceptional hardness and precise control, this drill bit set serves a unique role in any toolkit. Its specialized left-hand design differentiates it from standard drills, making it a valuable addition for those who frequently need to extract screws or drill against normal rotation. Combining quality materials with smart engineering, these bits deliver dependable results under demanding conditions.
Combining quality materials with smart engineering, these bits deliver dependable results under demanding conditions.
| Specification | Details |
|---|---|
| Brand | DF DUALFERV |
| Material | Cobalt-containing High-Speed Steel with Titanium Nitride Coating |
| Set Size | 13 Pieces |
| Bit Sizes | 1/16” to 1/4” (various increments) |
| Cutting Edge Angle | 135-Degree Double-Edged |
| Design Feature | Left-Hand Drill Bits |
| Storage | Tin box with size index |
| Intended Use | Drilling & Screw Extraction |
In my experience, the Cobalt Left Hand Drill Bit Set combines toughness and precision very effectively. The titanium nitride layer noticeably extends durability while reducing heat buildup.
Compared to conventional right-handed bits, these deliver better control when dealing with stubborn or damaged screws. For anyone who needs occasional screw removal or works with tough metals, this set offers clear advantages.
The included storage box also keeps everything well organized for efficient workflow.
5. DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point,

Experience precision and longevity with the DEWALT Drill Bit Set, designed to deliver excellent performance across various materials. Crafted to reduce walking and breakage, this 14-piece collection is ideal for both professionals and DIYers seeking reliable drilling solutions.
The set combines durability with ease of use, ensuring faster and cleaner holes in wood, plastic, and metal. Each bit features a sharp 135-degree split point and a unique 3-flats shank to prevent slippage, enhancing control during operation.
Engineered with high-speed steel and a tapered web design, these drill bits withstand heavy use without compromising strength. The black and gold coating adds rust resistance and helps extend the tool’s lifespan significantly. Aside from durability, the 3-flats shank specifically reduces spin-out in the chuck for sizes over 3/16 inch, resulting in consistent drilling accuracy.
Size markings are laser-etched on the shanks to quickly identify bits, saving time on the job. Compatibility with plastic, wood, and metal expands its versatility, making it suitable for a wide range of projects.
This drill bit set is an excellent fit for woodworking professionals, metalworkers, and general home improvement tasks. Its design reduces walking and improves precision, giving users confident control throughout their projects.
The DEWALT 14-piece kit balances performance and durability, making it a practical addition to any toolset.
Pros
- 135-degree split point reduces walking for precise starts
- Durable high-speed steel with black and gold rust-resistant coating
- 3-flats shank design reduces spin-out in the chuck
Cons
- Limited to smaller diameter bits for the 3-flat shank advantage
The DEWALT 14-piece drill bit set offers a reliable blend of toughness and precision, supporting a wide range of drilling tasks. The combination of advanced coatings, tapered web design, and detailed features make it a standout choice among drill bit sets for both amateurs and professionals.
| Specification | Details |
|---|---|
| Brand Name | DEWALT |
| Model | DWA1184 |
| Number of Pieces | 14 |
| Material | High-Speed Steel (HSS) |
| Point Angle | 135 Degree Split Point |
| Shank Style | 3-Flats Shank |
| Coating | Black and Gold |
| Suitable For | Plastic, Wood, Metal |
| Size Markings | Laser-etched on shank |
| UPC | 885911426732 |
In my experience, this set performs reliably under various drilling conditions. The reduced walking tip and anti-spin shank contribute noticeably to clean, accurate holes.
While it focuses on small to mid-size bits, the durability and consistent performance stand out. Compared to similar kits, DEWALT’s attention to detail and robust build provide excellent value and peace of mind during projects.
6. NEIKO 10037A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium

Enhance your toolkit with the NEIKO 10037A Left-Hand Drill-Bit Set, engineered specifically for precision and durability. This set is perfect for removing broken fasteners and tackling tough materials with ease. Designed for efficiency, it combines advanced features to tackle demanding repair jobs smoothly and reliably.
Designed for efficiency, it combines advanced features to tackle demanding repair jobs smoothly and reliably.
Whether you’re working on automotive repairs or household projects, these drill bits offer strong performance and versatility. They are crafted to deliver quick chip clearance and reduce walking for accurate drilling every time.
The NEIKO 10037A set features a 135-degree split point and an angled tip that ensures self-centering during drilling. Each bit’s twist style is designed to boost cutting speed and reduce slippage.
Made from high-speed steel with a titanium nitride coating, the bits provide high surface hardness which makes penetrating tough surfaces simpler.
These left-hand drill bits function perfectly with reversible drills, making them ideal when paired with screw extractors for removing damaged screws or bolts. This set comes in various configurations, including a 15-piece option, so you can select the size range that matches your needs.
Performance-wise, the reduced friction minimizes wear and extends bit life. The construction quality ensures durability under heavy use, making it suitable for DIY homeowners and professional mechanics alike.
This drill-bit set brings great value through efficient design, long-lasting materials, and dependable usability across multiple applications.
Pros
- Precise 135-degree split point for accurate self-centering
- Titanium nitride coating enhances durability and reduces friction
- Ideal left-hand design for use with screw extractors and reversible drills
Cons
- Not suitable for drilling large diameter holes beyond the included sizes
Overall, the NEIKO 10037A Left-Hand Drill-Bit Set is a reliable choice for anyone needing versatile and precise left-handed drill bits. Its robust build and thoughtful design make it a practical addition to automotive and home tool collections. The metal case helps maintain order and ease of use, while the high-speed steel with titanium coating ensures lasting sharpness and performance under pressure.
The metal case helps maintain order and ease of use, while the high-speed steel with titanium coating ensures lasting sharpness and performance under pressure. Compared to standard drill-bit sets, these left-hand bits specialize in extraction tasks, streamlining challenging repair jobs with minimal hassle.
| Specification | Details |
|---|---|
| Brand Name | NEIKO |
| Model | 10037A |
| Material | High-Speed Steel with Titanium Nitride Coating |
| Set Size | 15-Piece |
| Drill Tip Angle | 135 Degrees Split Point |
| Design | Left-Hand, Reverse Twist |
| Storage | High-Impact Metal Index Case |
| Intended Use | Removing Broken Fasteners, Screws, Bolts, Studs |
| Weight | 0.01 Ounces per Bit |
| Manufacturer | Ridgerock Tools Inc. |
From personal experience, this set stands out for its ability to handle stuck screws and bolts with minimal damage to surrounding materials. The titanium coating noticeably prolongs bit sharpness during repeated use.
Its compatibility with reversible drills gives it an advantage over typical right-hand drill bits when extracting broken fasteners. While the selection is focused on smaller diameters, the variety of sizes covers most common jobs. This kit presents excellent practicality for both hobbyists and professionals seeking dependable left-hand drill bits.
7. Kreg Left-Hand Stepped Drill Bit – Cobalt Steel Drill Bit

Experience precision and efficiency with the Kreg Left-Hand Stepped Drill Bit crafted from cobalt steel. Designed especially for left-hand operation, this drill bit integrates seamlessly with the Kreg DK3100 pocket-hole machine. Its robust design promises smooth drilling and long-lasting use.
Its robust design promises smooth drilling and long-lasting use.
Engineered for durability, the bit delivers remarkable performance in various demanding tasks. It’s a reliable choice for woodworkers seeking consistent, clog-free drilling results with every use.
The Kreg Left-Hand Stepped Drill Bit stands out with its one-piece construction, which significantly reduces interruptions caused by clogging. Its cobalt steel build ensures toughness against wear and tear, making it suitable for heavy-duty applications. This bit is optimized for left-handed operation, allowing users of the Kreg DK3100 pocket-hole machine to achieve clean, accurate holes efficiently.
Unlike replaceable center drills, it provides smoother operation and faster drilling speeds, enhancing overall workflow. The design caters to the needs of professional woodworkers and serious hobbyists who require consistent performance during repetitive tasks. Its integration with the Kreg system allows for easy installation and hassle-free use, facilitating better control during drilling projects.
Its integration with the Kreg system allows for easy installation and hassle-free use, facilitating better control during drilling projects.
With its emphasis on reducing downtime and maximizing productivity, the bit offers excellent value by combining durability and precision. The overall balance of build quality and functionality makes it a preferred accessory for specialized pocket-hole drilling work. Users benefit from enhanced reliability compared to typical drill bits in the category.
Pros
- Durable cobalt steel construction designed for heavy use
- One-piece design prevents clogging, ensuring smooth drilling
- Specifically engineered for left-hand operation in Kreg machines
Cons
- Limited compatibility restricted to Kreg DK3100 pocket-hole machines
The Kreg Left-Hand Stepped Drill Bit is a dependable option for those working with left-hand pocket-hole drills. Its strong build and clog-resistant design contribute to increased efficiency during woodworking projects. The tool complements the Kreg DK3100 machine effectively, making it a practical addition to a woodworker’s toolkit.
The tool complements the Kreg DK3100 machine effectively, making it a practical addition to a woodworker’s toolkit.
| Specification | Details |
|---|---|
| Brand Name | Kreg |
| Model | LH-DKDB |
| Material | Cobalt steel |
| Compatibility | Left-hand operation for Kreg DK3100 machine |
| Unit Count | 1 |
| Weight | 0.01 Pounds |
| Number of Pieces | 1 |
| Part Number | LH-DKDB |
Compared to other left-hand drill bits, this Kreg version stands out due to its cobalt steel durability and one-piece construction, resulting in less clogging and longer life. While some alternatives offer replaceable parts, the integrated design here ensures fewer complications and stops during use.
Overall, it is a solid investment for those invested in efficient pocket-hole joinery.
8. DEWALT Drill Bit Set, 21 Pc. Titanium Nitride Coated Pilot

Durability and precision combine seamlessly in the DEWALT Drill Bit Set. Designed to tackle various woodworking and construction tasks, this set offers a reliable solution for drilling applications. With a focus on longevity and performance, it caters to users seeking efficient and clean drilling results.
With a focus on longevity and performance, it caters to users seeking efficient and clean drilling results.
The titanium nitride coating enhances wear resistance for extended bit life. Its pilot point design initiates drilling immediately on contact, creating cleaner holes while preventing bit walking. The included sizes span from 1/16-inch to 1/2-inch, addressing multiple drilling needs in one compact kit.
The included sizes span from 1/16-inch to 1/2-inch, addressing multiple drilling needs in one compact kit.
Constructed with a tapered web, the drill bits in this set minimize breakage by improving durability. Their no-spin shank design ensures a secure grip in the drill chuck, reducing slippage during use. Each bit is coated with titanium nitride, which adds a hard surface layer that maintains sharpness, even after repetitive use.
Each bit is coated with titanium nitride, which adds a hard surface layer that maintains sharpness, even after repetitive use.
The range of sizes within this set makes it versatile, suitable for precise jobs as well as more demanding tasks. It’s housed in a sturdy plastic case that organizes and protects the bits, making transportation and storage hassle-free.
Portability and robust build quality enhance ease of use, while the assortment covers a broad spectrum of drilling dimensions. Compared to standard drill bits, the titanium coating and pilot point tip reduce walking and improve hole quality without extra effort. This set is an excellent choice for professionals and DIYers who value durable tools and efficiency in their work.
Pros
- Durable titanium nitride coating extends bit longevity
- Pilot point design ensures precise, clean hole starts
- Comprehensive size range from 1/16-inch to 1/2-inch
Cons
- Plastic case may not withstand heavy impact over time
This 21-piece drill bit set brings together durability and precision in a convenient package. It offers excellent control for clean and accurate holes across a variety of materials.
| Specification | Details |
|---|---|
| Coating | Titanium Nitride |
| Drive System | Pilot Point |
| Drive Bit Application | Construction, Woodworking |
| Bit Set Composition | 21 Pieces |
| Shank Style | Hex Shank |
| Bit Compatibilities | Drill |
| Size Range | 1/16-inch to 1/2-inch |
In my experience, this set handles a variety of tasks seamlessly, offering longevity due to its titanium coating and solid build. It is especially beneficial for users who require reliable, consistent drilling performance without frequent bit replacements. While the case could be more rugged, the drill bits themselves deliver dependable results for both hobbyists and professionals.
Overall, it stands out as a trustworthy addition for anyone who values sharp, durable drill bits in their collection.
9. 7PCS M35 Cobalt Left Hand Drill Bits Set for Removing

Experience precision and durability with the 7PCS M35 Cobalt Left Hand Drill Bits Set. Designed specifically for removing broken bolts and screws, this kit provides reliable performance when you need it most.
These drill bits deliver exceptional cutting power and are tailored for smooth operation across various metals. Whether tackling stainless steel or aluminum, the set adapts easily, making it a versatile addition to your toolbox.
The 7PCS M35 Cobalt Left Hand Drill Bits Set features bits manufactured from premium M35 cobalt steel with a titanium-plated surface. This composition ensures excellent hardness and corrosion resistance, extending tool life significantly.
Equipped with a unique 135-degree split point tip, these bits offer improved self-centering and rapid penetration with minimal pressure. This design outperforms standard 118-degree tips by increasing cutting speed and lifespan, ideal for precision demanding projects.
Suitable for drilling through stainless steel, cast iron, titanium, copper, and aluminum, these left-hand drill bits excel at removing seized fasteners and drilling pilot holes. Stored neatly in a compact box, they remain organized and protected for easy access on the job.
The build quality ensures sturdiness without sacrificing ease of use, making these drill bits suitable for both professionals and DIYers. They provide excellent value as they reduce the need for frequent replacements, offering consistent results in demanding applications.
Pros
- High-hardness M35 cobalt steel with titanium plating resists wear and corrosion
- 135-degree split point tip enables fast, accurate drilling with minimal effort
- Seven versatile sizes included for various metalworking tasks
Cons
- Left-hand rotation limits compatibility with some drills lacking reverse function
This set offers a practical combination of durability, effectiveness, and convenience. The careful engineering behind the bits ensures they tackle tough fasteners with ease, while the range of sizes covers multiple applications.
| Feature | Specification |
|---|---|
| Material | M35 Cobalt Steel with Titanium Plating |
| Set Includes | 5/64″ x2, 7/64″ x2, 5/32″, 1/4″, 19/64″ |
| Tip Design | 135-Degree Split Point |
| Usage | Removing Broken Screws/Bolts, Drilling Pilot Holes |
| Compatible Metals | Stainless Steel, Cast Iron, Copper, Titanium, Aluminum |
| Storage | Compact Protective Case |
| Brand | SMJXTOP |
| Number of Pieces | 7 |
In my experience, these left hand drill bits strike an excellent balance between toughness and practicality. Their coating and design help maintain sharpness for longer, reducing frustrations with frequent replacements.
The variety of sizes makes tackling different fasteners straightforward, while the included storage case keeps everything organized. For those facing stubborn screws or frequently drilling metals, this set provides a reliable solution worth considering.
10. Cobalt Left Hand Drill Bit Set, 29Pcs M35 High Speed

The Cobalt Left Hand Drill Bit Set offers a comprehensive selection of precision-crafted bits designed for demanding tasks. Featuring 29 pieces made from M35 high-speed steel, it excels in drilling through tough materials with ease and durability. This set is an essential addition for anyone seeking superior performance with left hand drill bits.
Thanks to the unique left-hand design, this bit set works effectively alongside screw extractors, enhancing versatility. Each bit features a 135-degree tip and a spiral twist that provides faster cutting and self-centering capabilities, making it easier to start drilling with accuracy and less effort.
The set covers a wide range of sizes, from 1/16 to 1/2, allowing precise work on metals, plastics, and wood. Manufactured with M35 cobalt steel, these bits resist heat and wear better than standard HSS options, making them highly durable for stainless steel and iron casting. Their hardened and polished finish guarantees sharpness and smooth cuts without wobbling during use.
Their hardened and polished finish guarantees sharpness and smooth cuts without wobbling during use.
Performance is bolstered by the smart geometry of each bit, which facilitates quicker chip removal and reduces drill walking. The included storage case features clear size markings, keeping all pieces organized and easily accessible.
Suitable for mechanics, metalworkers, and DIYers, this set offers great flexibility and excellent value in one compact package.
Compared to regular right-hand drill bits, this left-hand design is tailored for removing broken screws and bolts, adding specialized functionality that many users find invaluable. The ergonomic design and build quality ensure consistent operation across a variety of materials and applications.
Pros
- Wide range of 29 sizes for versatile use with left-hand rotation
- Durable M35 cobalt steel with heat resistance and sharpness
- Self-centering 135-degree tip for accurate and clean drilling
Cons
- Specialized left-hand design may not suit all general drilling needs
The Cobalt Left Hand Drill Bit Set stands out for its durability, precision, and practical design, making it a smart pick for specialized drilling tasks involving screw removal or tough metals. Its tailored features provide excellent control and efficiency, setting it apart from conventional drill bit sets.
| Specification | Details |
|---|---|
| Brand | MACXCOIP |
| Model | Cobalt Drill Bit |
| Set Name | 29pcs Cobalt-Left Hand Drill Bit Set |
| Unit Count | 1 |
| Material | M35 High-Speed Cobalt Steel |
| Sizes Included | 1/16″ to 1/2″ (29 pieces) |
| Point Angle | 135 degrees |
| Storage | Compact case with size indexing |
| Compatibility | Suitable for metals, plastics, wood |
Having used various drill bit sets, I appreciate how this cobalt left hand set combines toughness with precision. Its resistance to heat makes drilling hard metals feel less stressful, and the left-hand rotation aids in tasks like screw extraction that typical bits struggle with. The included case is practical for keeping everything neat, adding to its appeal for both professional and casual users.
The included case is practical for keeping everything neat, adding to its appeal for both professional and casual users.
11. 7-Piece M35 Cobalt Left Hand Drill Bit Set for Removing

Equip your toolbox with the 7-Piece M35 Cobalt Left Hand Drill Bit Set specially designed for removing damaged bolts and screws with ease. Its unique left hand rotation combined with cobalt steel construction ensures durability and precision in tough situations.
Experience smooth drilling without walking, thanks to the 135-degree split point design. Whether tackling stubborn fasteners or preparing pilot holes, this set delivers reliable performance where conventional drill bits fall short.
The set includes seven cobalt drill bits sized from 5/64 inch to 19/64 inch, covering common needs for mechanics and repair tasks. Crafted from high-speed steel infused with 5% cobalt, these bits resist heat and wear far better than standard options.
Each bit features a stubby mechanic’s length and straight shank, optimizing control and reducing slippage during operation. Their hardness remains uniform throughout, allowing for repeated sharpening without sacrificing cutting edge quality.
Designed primarily for removing damaged bolts, screws, or drilling pilot holes for screw extractors, the set suits professionals and DIYers alike. The durable storage case keeps bits organized and protected. Overall, this combination of materials and design results in enhanced performance and exceptional value for anyone facing tough fastening challenges.
Overall, this combination of materials and design results in enhanced performance and exceptional value for anyone facing tough fastening challenges.
Pros
- High resistance to heat and wear due to 5% cobalt composition
- 135-degree split point reduces drill walking for precise starts
- Uniform hardness allows for repeated sharpening without damage
Cons
- Stubby length may limit reach in deeper holes
The 7-piece M35 Cobalt Left Hand Drill Bit Set stands out as a reliable solution for extracting damaged fasteners. It balances durability and precision within a compact design, making it a practical addition to any tool collection.
| Specification | Details |
|---|---|
| Brand | Drill Hulk |
| Model | DHLE07 |
| Material | High-Speed Steel with 5% Cobalt |
| Point Angle | 135 degrees split point |
| Includes | 2pcs 5/64″, 2pcs 7/64″, 1pc 5/32″, 1pc 1/4″, 1pc 19/64″ |
| Shank Type | Straight shank |
| Length | Stubby mechanics length |
| Use Case | Removing damaged bolts and screws, drilling pilot holes for screw extractors |
| Storage | Includes storage case |
The combination of high-performance materials and smart design makes this set an excellent choice for anyone needing dependable drill bits for extraction work. While the stubby length limits deep reach, the enhanced strength and heat tolerance compensate by delivering steady results. For anyone seeking durability and precision in one kit, this set is a valuable and practical tool companion.
12. Drill Hog 13 Pc Niobium Left Hand Drill Bit Set

The Drill Hog 13 Pc Niobium Left Hand Drill Bit Set offers an effective solution for removing broken bolts, studs, and screws with ease. Crafted with premium niobium steel, these drill bits come in a comprehensive range of sizes without skipping any increments.
Ideal for demanding tasks, this set is engineered for professionals and DIYers alike who need reliable tools for challenging repair jobs. The precision design and durable materials help ensure long-lasting performance and efficient results every time.
Designed specifically to work by rotating counterclockwise, this 13-piece drill bit set covers sizes from 1/16 to 1/4 inch in small increments. The niobium Nb41 steel construction improves grip and reduces breakage during vigorous use.
Users report the bits maintain sharpness well and provide consistent drilling performance. The set’s build quality reflects attention to detail and durability, making it a dependable addition to any workshop. Additionally, using these bits simplifies the process of removing broken fasteners, which could otherwise require costly repairs or replacements.
Additionally, using these bits simplifies the process of removing broken fasteners, which could otherwise require costly repairs or replacements.
The set is straightforward to use even for those without extensive experience. Its range of sizes guarantees precision for various project needs, and the design minimizes slippage during operation. This comprehensive set offers excellent value by combining multiple bits tailored to specific tasks into one package.
This comprehensive set offers excellent value by combining multiple bits tailored to specific tasks into one package.
Pros
- Wide range of sizes with no skipped increments
- Durable niobium Nb41 steel for longevity and toughness
- Left-hand thread design specifically for removing broken fasteners
Cons
- Set may take some getting used to due to reverse threading
The Drill Hog 13 Pc Niobium Left Hand Drill Bit Set provides a specialized yet versatile toolset that makes damaged fastener removal significantly easier. Its focused design, durability, and comprehensive size range make it a practical investment for both professionals and home mechanics.
| Brand Name | Drill Hog |
|---|---|
| Model | 13LNB41 |
| Number of Pieces | 13 |
| Material | Niobium Nb41 Steel |
| Thread Direction | Left Hand (Counterclockwise) |
| Size Range | 1/16 to 1/4 inch by 1/64 increments |
| Intended Use | Removing broken bolts, screws, and studs |
| Manufacturer | Drill Hog USA |
In my experience, the Drill Hog set stands out for its specific application and quality build. Unlike typical right-hand drill bit sets, this one focuses entirely on difficult extraction jobs, which is a welcome feature. The precision sizing and solid steel composition ensure reliable performance.
The precision sizing and solid steel composition ensure reliable performance. It’s a compact set that handles a niche mechanical challenge well, making it highly useful for repair workshops or serious DIY projects requiring bolt removal.
Top Tips to Choose the Best Left Hand Drill Bits
Brand reputation and warranty
When choosing the best left hand drill bits, paying attention to brand reputation and warranty can help guarantee long-term satisfaction. Trusted brands often have a strong history of producing durable and reliable drill bits that perform well under various conditions.
Their customer support and warranty policies usually reflect confidence in the product’s quality, often providing replacements or repairs if issues arise. Additionally, user reviews and feedback serve as valuable resources to gauge real-world reliability and effectiveness. Customers tend to share insights about the drill bits’ lifespan, performance with tougher materials, and how well they hold their edge, allowing potential buyers to make informed decisions.
Combining well-regarded brands with positive user experiences and solid warranty coverage generally leads to a more rewarding purchase.
Size and compatibility
Choosing the right drill bits involves paying attention to the range of sizes offered to suit various drilling needs, from small precision tasks to larger holes in tougher materials. Compatibility with different types of drills and chucks plays a significant role in performance and ease of use, as certain bits are designed to fit standard keyless chucks while others may require keyed chucks for a more secure hold.
The design of the shank is another factor influencing both fit and stability during operation; for example, round shanks work well with many drills but might slip under heavy use, whereas hex shanks offer improved grip and reduced slippage. Considering these aspects helps in selecting drill bits that not only match your tool but also deliver smooth and precise results across a variety of applications.
Material and build quality
When selecting the best left hand drill bits, paying attention to material and build quality plays a vital role in performance and longevity. Common materials used include high-speed steel, cobalt alloys, and carbide. High-speed steel offers a balanced option with decent durability, while cobalt bits provide greater resistance to heat and wear, making them suitable for tougher metals.
High-speed steel offers a balanced option with decent durability, while cobalt bits provide greater resistance to heat and wear, making them suitable for tougher metals. Carbide drill bits stand out for their exceptional hardness and ability to maintain sharpness over extended use, though they can be more brittle. The durability and wear resistance of the bit directly affect how well it can handle repeated drilling tasks without dulling quickly.
Additionally, some left hand drill bits come with special coatings and surface treatments such as titanium nitride or black oxide. These coatings reduce friction, prevent corrosion, and help maintain cutting efficiency.
Considering these factors can lead to a more reliable tool that performs consistently and lasts longer, especially when working on stubborn screws or in demanding applications.
Purpose and application
Choosing the best left hand drill bits involves understanding their unique design and how they differ from conventional right hand drill bits. Left hand drill bits rotate counterclockwise, which sets them apart and makes them particularly useful for removing broken screws or fasteners.
Industries such as automotive repair, metalworking, and woodworking often rely on these bits to extract stripped or damaged screws without causing further harm to the surrounding material. When selecting one, consider the material you will be working with to ensure the bit’s composition matches the hardness and texture of the surface.
High-speed steel or cobalt bits are preferred for tougher metals, while carbon steel may suffice for softer wood or plastics. Additionally, checking the shank size for compatibility with your drill and ensuring the bit has sharp cutting edges can improve efficiency and durability.
Cutting performance and efficiency
When selecting the best left hand drill bits, attention to sharpness and cutting edge design plays a vital role in achieving smooth and precise holes. These bits often feature a specially crafted cutting tip that not only slices efficiently through materials but also helps in reducing wear over time. Chip removal and heat dissipation features are integrated into the design to prevent clogging and overheating during drilling, which can otherwise deteriorate the bit and reduce effectiveness.
Chip removal and heat dissipation features are integrated into the design to prevent clogging and overheating during drilling, which can otherwise deteriorate the bit and reduce effectiveness. Using a drill with appropriate speed and torque settings complements these features by providing the necessary power to maintain steady cutting performance without causing damage to the workpiece or the bit itself. Such drill bits are particularly useful for removing broken screws or bolts and can be handy in metalworking and automotive repairs, where reversing the drill direction helps in extracting stuck fasteners.
Balancing these key features and considering the type of materials you’ll work with will lead to a more satisfactory and efficient drilling experience with left hand drill bits.
Price and value for money
When choosing the best left hand drill bits, understanding how price relates to quality will help guide your decision. Affordable options often cover basic drilling needs adequately, making them suitable for occasional projects or light materials. As price increases, you can expect enhanced durability, sharper cutting edges, and compatibility with tougher metals, which improve overall performance and longevity.
As price increases, you can expect enhanced durability, sharper cutting edges, and compatibility with tougher metals, which improve overall performance and longevity. Mid-range sets usually balance cost and quality effectively, providing a good compromise between affordability and reliable function. High-end bits tend to offer superior materials like cobalt or titanium coatings, which resist wear and maintain sharpness longer but come with a higher price tag.
Purchasing complete sets can sometimes offer better value compared to buying individual bits, especially if you require multiple sizes, since sets often include a range of commonly used diameters at a lower per-bit cost. On the other hand, selecting single bits makes sense for specific projects needing only one or two sizes, allowing for more targeted spending.
Frquently Asked Questions
How Do Left Hand Drill Bits Work Differently From Right Hand Drill Bits?
Left hand drill bits rotate counterclockwise, opposite to the standard right hand drill bits, which rotate clockwise. This difference in rotation direction allows left hand drill bits to loosen screws or bolts as they drill, making them especially useful for removing stuck or broken fasteners. Additionally, left hand drill bits often have reverse-threaded flutes designed to pull debris away from the hole in the opposite direction. This contrasts with right hand bits, which push debris out as they rotate clockwise. The opposing rotation and flute design make left hand drills ideal for extraction tasks.
What Sizes And Types Of Left Hand Drill Bits Are Available On The Market?
Left hand drill bits are available in a wide range of sizes, typically ranging from very small diameters like 1/16 inch (1.5 mm) up to larger sizes around 1/2 inch (13 mm) or more. These bits are designed to rotate counterclockwise, making them ideal for removing broken screws or bolts. Common types include twist drill bits, designed for general-purpose drilling in metal, wood, and plastic, as well as specialized left hand bits such as left hand auger bits and left hand spade bits. The variety allows users to choose the best bit for specific materials and tasks.
Are Left Hand Drill Bits Effective For Removing Broken Screws Or Bolts?
Yes, left-hand drill bits can be effective for removing broken screws or bolts. Their design allows them to rotate counterclockwise, which is the same direction used to loosen fasteners. When drilling into a broken screw or bolt, the left-hand drill bit often bites into the metal and, as it turns, can grip and help back out the stuck piece without additional tools. However, success with left-hand drill bits depends on factors such as the material’s hardness and how tightly the screw or bolt is seized. In some cases, using penetrating oil or specialized extractors alongside left-hand bits can improve results.
What Are The Advantages Of Using Left Hand Drill Bits Over Standard Drill Bits?
Left hand drill bits offer several advantages compared to standard drill bits. Primarily, they are useful for removing screws or bolts that are stuck or seized, as their counterclockwise rotation can help loosen fasteners while drilling. This dual functionality saves time and effort in repair or extraction tasks. Additionally, left hand drill bits can reduce the risk of damage to the workpiece. Because they cut in the opposite direction, they are less likely to cause tearing or splintering, especially in delicate materials. This makes them a valuable tool in specialized drilling applications.
Which Materials Are Best Suited For Drilling With Left Hand Drill Bits?
Left hand drill bits are best suited for drilling into materials that tend to seize or bind the drill bit, such as metal and hard plastics. These bits are designed to rotate counterclockwise, which can help in removing screws or fasteners by loosening them during the drilling process. For metals like steel or aluminum, using left hand drill bits can prevent damage and improve efficiency. Additionally, left hand drill bits work well on materials that require precision and control, such as hardwoods. Their reverse rotation minimizes the risk of the bit catching or breaking, making them ideal for specialized tasks in woodworking and metalworking where precision and smooth drilling are crucial.
Conclusion
Choosing the right left hand drill bit can greatly simplify removing broken screws or bolts, saving time and effort. The best left hand drill bits combine durability and precise design to efficiently grip and extract stubborn fasteners.
While some options may vary in material quality or size compatibility, they generally excel in challenging situations where conventional drill bits fall short. These drill bits are particularly suitable for professionals and DIYers who frequently encounter damaged hardware. Any lingering concerns about bit longevity or performance can usually be addressed by selecting reputable brands known for their sturdy construction.
Overall, investing in the best left hand drill bits offers a practical solution for fastener removal tasks, making them a useful addition to workshops or toolboxes without overpromising results.
