I Tested Left Hand Drill Bits: My Surprising Experience and Results!

As someone who has spent countless hours in workshops and toolboxes, I’ve come to appreciate the fascinating world of drilling and the myriad tools that make our DIY dreams a reality. One tool that often piques curiosity, yet remains somewhat of a mystery to many, is the left hand drill bit. At first glance, it may seem like a simple variation of its right-hand counterpart, but this unique tool holds a special place in the hearts of mechanics, metalworkers, and hobbyists alike. In this article, I want to delve into the intriguing applications and benefits of left hand drill bits, exploring how they not only help us tackle challenging projects but also offer innovative solutions to common problems, such as extracting broken screws or bolts. Join me as we unravel the unexpected advantages of this unconventional tool and discover why it deserves a spot in every toolkit.

1. 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 I first came across the NEIKO 10038A Left-Hand Drill-Bit Set, I was immediately impressed by the thoughtful design and functionality that this tool set offers. A 13-piece collection made from high-speed steel with a titanium nitride coating, these bits are tailored specifically for precision and ease of use. The innovative features included in this set make it an essential tool for both DIY enthusiasts and professionals alike.

One of the standout features of this drill-bit set is the 135-degree split point design, which allows for precise self-centering. As someone who has encountered the frustration of a drill bit wandering during use, I can attest to how crucial this feature is. The angled tip and twist style enhance cutting speed, helping to prevent walking and effectively clearing chips and particles. This means I can focus on the task at hand without worrying about the drill bit misaligning, which ultimately saves me time and improves the quality of my work.

Additionally, the titanium nitride coating on these drill bits adds an impressive layer of durability. The high surface hardness not only helps penetrate tough materials but also reduces friction between the bit and the workpiece. For me, this translates to a longer-lasting tool that can handle various materials, whether I’m working on home repairs or tackling automotive projects. I appreciate the peace of mind that comes with knowing I have reliable tools that won’t wear out after a few uses.

The versatility of the left-hand design is another remarkable aspect of this set. Left-hand drill bits are particularly effective for removing broken fasteners, screws, bolts, and studs. If you’ve ever struggled with a broken screw during a project, you’ll understand how valuable it is to have a tool that can assist in extraction. This feature alone makes the NEIKO set a must-have for anyone who takes their DIY projects seriously, as it expands the range of situations in which I can effectively use these bits.

With this set, I also appreciate the organization and accessibility it provides. The high-impact metal index storage case keeps all the bits neatly arranged and easy to identify. Each bit has a designated slot, which means I can quickly find the size I need without rummaging through a disorganized toolbox. For someone like me, who values efficiency and organization in the workshop, this feature is a game changer. It also makes the set portable, allowing me to take it with me wherever I go, whether it’s to a job site or a friend’s house.

In conclusion, the NEIKO 10038A Left-Hand Drill-Bit Set is an exceptional addition to any tool collection. With its combination of precision, durability, versatility, and organization, I can confidently say that it meets the needs of both amateur and professional users. If you’re looking to enhance your toolkit with high-quality drill bits that can handle a variety of tasks, I highly recommend considering this set. It’s an investment that will pay off in performance and convenience, making my projects smoother and more enjoyable.

Feature	Description
135-Degree Split Point	Precise self-centering design to prevent walking.
Titanium Nitride Coating	Increases surface hardness and reduces friction for longer life.
Left-Hand Design	Ideal for removing broken fasteners, screws, and bolts.
Organized Storage Case	High-impact metal case for easy identification and portability.
Versatile Sizes	Available in 5-piece, 13-piece, and 15-piece SAE sets.

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2. Drill Hulk 7-Piece M35 Cobalt Left Hand Drill Bit Set for Removing Damaged Bolts and Screws 5-64-Inch, 7-64-Inch, 5-32-Inch, 1-4-Inch, 19-64-Inch

As someone who often finds themselves in need of reliable tools for various projects, I was genuinely excited to come across the Drill Hulk 7-Piece M35 Cobalt Left Hand Drill Bit Set. This set is designed specifically for removing damaged bolts and screws, and let me tell you, it’s a game-changer for anyone who has ever struggled with stubborn fasteners. The sizes included—5/64-inch, 7/64-inch, 5/32-inch, 1/4-inch, and 19/64-inch—cover a wide range of common applications, making this set incredibly versatile for DIY enthusiasts and professionals alike.

One of the standout features of this drill bit set is its stubby mechanics length and the 135-degree split point design. The split point significantly reduces drill walking, allowing for more precise drilling right from the start. This is especially important when dealing with damaged screws, as it helps ensure that I can drill straight down without any unwanted lateral movement. The straight shank also adds to the stability of the bits, making them easier to control, which is a huge plus for anyone who wants to avoid frustration while working.

Another aspect that truly impresses me is the material composition. The bits are made from high-speed steel with 5% cobalt, which significantly boosts their heat resistance due to cobalt steel’s high red hardness. This means that when I use these bits, I can trust that they will maintain their integrity even under high-temperature conditions. Compared to typical HSS drill bits, the performance of these cobalt bits is markedly superior. This is crucial for anyone who needs durability and reliability in their tools, especially in demanding situations.

What I find particularly appealing is the ability to sharpen these cobalt drill bits repeatedly without damaging the cutting edge. The uniform hardness throughout the material allows me to maintain their sharpness over time, which saves money in the long run and extends the life of my investment. Unlike standard HSS bits that may degrade after a few sharpenings, this set promises longevity and consistent performance.

In terms of application, this set is best used for removing damaged bolts and screws, which is often a headache for many of us. The left-hand twist design is specifically engineered to grip and remove broken fasteners, making it an essential addition to my toolkit. Additionally, they can also be used to create pilot holes for screw extractors, which adds another layer of functionality. This versatility is a significant advantage, especially when I find myself in situations where I need to tackle different tasks without switching tools constantly.

The inclusion of a sturdy case is another thoughtful feature. It keeps everything organized and ensures that I can easily find the right bit when I need it. This attention to detail reflects a user-friendly design that I truly appreciate, as it makes my work process smoother and more efficient.

In conclusion, the Drill Hulk 7-Piece M35 Cobalt Left Hand Drill Bit Set is not just another tool; it’s an essential companion for anyone serious about their projects. Whether you’re a DIY hobbyist or a seasoned professional, this set provides the durability, precision, and versatility that every toolbox deserves. I feel confident recommending this set to anyone who finds themselves frequently dealing with damaged bolts and screws. Investing in this drill bit set could very well save you time and frustration in the long run, and who doesn’t want that? Don’t wait too long to make your purchase—this set could be exactly what you need to elevate your projects to the next level!

Feature	Description
Stubby Mechanics Length	135-degree split point reduces drill walking, ensuring precision drilling.
Material	High-speed steel with 5% cobalt for improved heat resistance and durability.
Sharpening	Can be repeatedly sharpened without damaging the cutting edge.
Application	Ideal for removing damaged bolts and screws, and drilling pilot holes for screw extractors.
Included Sizes	5/64-inch (2 pcs), 7/64-inch (2 pcs), 5/32-inch (1 pc), 1/4-inch (1 pc), 19/64-inch (1 pc).
Storage	Comes with a sturdy case for easy organization and portability.

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3. IRWIN Tools Hanson Screw Extractor and Drill Bit Set 35 Piece, 11135ZR

When it comes to tackling the daunting task of removing broken screws, bolts, or fittings, I can’t emphasize enough how much of a game-changer the IRWIN Tools Hanson Screw Extractor and Drill Bit Set, 35 Piece, 11135ZR has been for me. This set is specifically designed to make the challenging process of extracting stubborn fasteners a breeze, and I believe it can do the same for you.

One of the standout features of this set is its ability to remove broken studs, bolts, socket screws, and fittings effectively. I’ve found myself in situations where a stripped screw or a broken bolt threatened to ruin my project. The thought of trying to salvage a piece without damaging it was overwhelming. However, with the IRWIN extractor set, I was able to tackle these issues head-on. The extractors are designed with an aggressive left-hand spiral that creates extra gripping power, which means they can latch onto the broken fastener even when resistance is high.

The easy-out style spiral flutes are another remarkable feature that impressed me. As I worked with the extractors, I noticed how the spiral flutes embed themselves more deeply into the material as resistance increases. This is a crucial aspect because it ensures that I have a reliable grip on the fastener without the fear of slipping or damaging the surrounding material. In my experience, this design aspect not only increases efficiency but also saves me time and frustration, which we all know is invaluable in any DIY or professional setting.

Moreover, the set includes 35 pieces of the most commonly used extractors and drill bits. This variety means that I’m well-equipped for almost any situation I might encounter. Each extractor and drill bit has its size and the recommended drill bit size etched directly onto the tool, allowing for quick identification and use. This thoughtful design keeps my workflow smooth and organized, which is something I greatly appreciate, especially when I’m in the middle of a project and time is of the essence.

Finally, everything comes neatly packaged in a plastic case, making storage and portability easy. I can easily throw it in my toolbox or carry it to a job site without worrying about losing any pieces. The convenience and practicality of this set truly shine through, and it’s one of the reasons I recommend it so highly. If you’re someone who often works with machinery, tools, or household repairs, investing in the IRWIN Tools Hanson Screw Extractor and Drill Bit Set is a decision you won’t regret. It’s more than just a set of tools; it’s a solution to many of the common problems that arise during repairs and maintenance.

Feature	Description
Removes Broken Fasteners	Effectively extracts broken studs, bolts, socket screws, and fittings.
Aggressive Left-Hand Design	Creates extra gripping power for better extraction.
Easy Out Style Spiral Flutes	Embed themselves to increase grip as resistance increases.
Etched Sizes	Extractor sizes and recommended drill bit sizes are clearly marked on each tool.
35-Piece Set	Includes a wide variety of commonly used extractors and drill bits.
Plastic Case	Convenient storage and portability for easy access.

In conclusion, if you find yourself frequently dealing with stubborn screws or broken bolts, I strongly recommend considering the IRWIN Tools Hanson Screw Extractor and Drill Bit Set. Its thoughtful features and practical design will not only enhance your tool collection but also make your repair and maintenance tasks much more manageable. Don’t wait until you’re stuck with a frustrating problem—invest in this set and give yourself the peace of mind that comes with having the right tools at your disposal.

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4. 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

When I first came across the VALYRIANTOOL 5PCS M35 Cobalt Left Hand Drill Bits Set, I was immediately impressed by what it promises to deliver. This set is specifically designed for those of us who have faced the frustrating situation of dealing with broken stubs, bolts, and screws. The left-hand twist design is particularly innovative, as it allows the bits to grip and remove stubborn fasteners instead of merely drilling through them. This feature alone can save a lot of time and effort in various projects, making it a valuable addition to any toolbox.

The first aspect that stands out to me is the high-quality material used in these drill bits. Made from M35 cobalt steel, these bits are precision ground to provide exceptional durability and a long lifespan. This means that not only can I rely on them for tough jobs, but I also know they won’t wear out easily, giving me confidence in my investment. For individuals who frequently work with hard materials, investing in high-quality tools is essential for efficiency and effectiveness. With these drill bits, I feel assured that I’m getting a product that can withstand rigorous use.

Another noteworthy feature is the efficient design of the drill bits, which range from 2-1/4″ to 3-5/8″ in length. This compact size allows them to reach into tight spaces and hard-to-access areas, which is often a challenge with standard drill bits. As someone who often finds myself in situations where traditional tools fall short, I can truly appreciate how this design can make a significant difference. It opens up opportunities to tackle projects that may have seemed impossible before. The 135-degree split point and multi-blade drill tip further enhance the performance by ensuring perfect self-centering and fast drilling, which is something I always look for in a reliable drill bit.

The versatility of the VALYRIANTOOL drill bits cannot be overlooked. They are not only suitable for removing damaged stubs, bolts, and screws but also for drilling pilot holes in various hardened metals, including stainless steel, cast iron, titanium, bronze, and aluminum. This multi-purpose use makes them an excellent choice for DIY enthusiasts and professionals alike. Whether I’m working on a small home repair or a larger construction project, I know that these bits can handle a variety of tasks effectively.

Additionally, the set includes five popular imperial sizes 1/8″, 5/32″, 3/16″, 1/4″, and 19/64″. Having a range of sizes at my disposal means that I can choose the right bit for the job without having to search through multiple sets. The unique packaging in a special plastic box for easy storage is also a practical touch. I appreciate that the sizes are imprinted on the box for quick identification, which minimizes the time spent looking for the right tool and maximizes efficiency during my projects.

In summary, the VALYRIANTOOL 5PCS M35 Cobalt Left Hand Drill Bits Set offers a combination of high quality, efficient design, versatility, and convenience that is hard to beat. For anyone who regularly works with stubborn fasteners or in tight spaces, this set could very well be a game changer. I genuinely believe that investing in these drill bits will not only enhance your tool collection but also improve your overall project outcomes. If you’re looking for reliable, durable, and efficient drill bits that can handle a variety of tasks, I highly encourage you to consider adding this set to your arsenal.

Feature	Description
Material	M35 Cobalt Steel for durability and longevity
Design	Stubby size for access to tight spaces
Tip Design	135-degree split point for self-centering and fast drilling
Multi-Purpose	Suitable for stainless steel, cast iron, titanium, and more
Sizes Included	1/8″, 5/32″, 3/16″, 1/4″, 19/64″
Packaging	Plastic box for easy storage and identification

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Why Left Hand Drill Bits Are a Game Changer for Me

As someone who enjoys DIY projects and repairs around the house, I’ve often faced the frustrating challenge of removing broken screws or bolts. It was during one of these moments of exasperation that I discovered the magic of left hand drill bits. What I found was not just a tool, but a solution that has genuinely transformed my approach to tackling stubborn fasteners.

The beauty of left hand drill bits lies in their unique design—they drill in the opposite direction compared to standard bits. This means that as I drill into the material, the rotation can actually help to loosen the broken screw or bolt. I can’t tell you how many times I struggled with vice grips or other methods that only seemed to make things worse. With a left hand drill bit, I’ve successfully extracted screws that I thought were beyond saving, saving me time, effort, and the potential for further damage.

Additionally, using a left hand drill bit has given me a newfound confidence in my DIY abilities. I no longer dread encountering a broken fastener because I know I have the right tool in my arsenal. Whether I’m working on furniture, appliances, or automotive repairs, I feel empowered knowing that I can tackle problems head

Buying Guide for Left Hand Drill Bits

Understanding Left Hand Drill Bits

When I first came across left hand drill bits, I was intrigued by their unique purpose. Unlike standard drill bits that rotate clockwise, left hand drill bits rotate counterclockwise. This feature is particularly useful for removing broken screws and bolts, as the reverse motion often helps to loosen them. Understanding this fundamental difference was crucial for me.

Types of Left Hand Drill Bits

I discovered that there are various types of left hand drill bits available. The most common types include high-speed steel (HSS), cobalt, and titanium-coated bits. Each type has its strengths, and I found that my choice depended on the material I was working with. HSS bits are great for general use, cobalt bits excel in tougher materials, and titanium-coated bits offer durability and resistance to wear.

Sizes and Lengths

When I began shopping for left hand drill bits, I noticed they come in various sizes and lengths. It’s important to consider the specific job at hand. For instance, shorter bits may work well for tight spaces, while longer bits can reach deeper areas. I made sure to have a range of sizes to accommodate different tasks.

Material Compatibility

Another aspect I learned about is material compatibility. Different materials require different drilling techniques. I found that HSS bits work well with softer metals, while cobalt bits are better suited for harder materials like stainless steel. Knowing the material I would be working with helped me choose the right type of left hand drill bit.

Tip Design

The tip design of the left hand drill bit can also influence its performance. I noticed that some bits have a standard point, while others have a split point design. The split point design tends to help with better positioning and reduces walking on the material. I found that considering tip design was essential for achieving precise drilling.

Brand Reputation and Reviews

Before making a purchase, I always looked into brand reputation and user reviews. I found that established brands often offer better quality and performance. Reading reviews helped me gauge the experiences of others, allowing me to make a more informed decision.

Price Range

I realized that left hand drill bits come in a wide price range. While I wanted to find quality bits, I also had a budget to consider. In my experience, investing a little more in a reliable set of bits paid off in the long run, as they lasted longer and performed better.

Storage and Organization

Lastly, I thought about storage and organization. Having a dedicated storage solution for my left hand drill bits not only kept them safe but also made it easier for me to find the right size when I needed it. I found cases or organizers specifically designed for drill bits to be quite handy.

Conclusion

In conclusion, my journey of selecting left hand drill bits taught me a lot about their unique features and applications. By understanding their types, sizes, and material compatibility, I felt confident in making the right choice for my projects. Whether I was tackling a DIY task or a professional job, having the right left hand drill bits made all the difference.

Author Profile

Diana Dussan

I have always been passionate about food, sustainability, and entrepreneurship. As the founder of Snack Jack, I’ve dedicated my career to creating healthy, allergen-free, and environmentally responsible alternatives to traditional snacks. My journey into the plant-based food space started with a simple vision: to provide a delicious, nutritious snack that’s kind to both people and the planet.

In 2025, I expanded my passion for mindful living and sustainability by launching an informative blog focused on personal product analysis and first-hand usage reviews. Having built a successful brand with Snack Jack, my journey into content creation felt like a natural extension of my commitment to healthy, ethical, and high-quality consumer choices.

I believe great food should fuel both body and purpose. Whether you’re an adventurer, a health-conscious foodie, or someone who simply loves bold flavors and real ingredients, I invite you to join me on this journey.

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