I Tested The Best Left Hand Drill Bits For Hardened Steel – Here’s What You Need To Know!
I’ve always been fascinated by the power of tools and how they can make even the toughest jobs seem effortless. As someone who constantly works with metal, I know firsthand the struggle of finding the right drill bits for hardened steel. That’s why I was thrilled when I discovered a game-changing solution – left hand drill bits for hardened steel. If you’re tired of struggling with traditional drill bits and want to learn more about this innovative tool, then keep reading as I share my experience and insights on how it can revolutionize your metalworking projects.
I Tested The Left Hand Drill Bits For Hardened Steel Myself And Provided Honest Recommendations Below
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
MACXCOIP Cobalt Left Hand Drill Bit Set, 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1/16″-1/4″
NEIKO 10038A Left-Hand Drill-Bit Set, High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 13-Piece Set
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
NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel & Hard Metals, with 1/4″ Hex Shank for Quick Chucks & Impact Drivers, SAE Sizes 3/32″-1/8″-3/16″-1/4″-5/16″ in Storage Case
1. 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
1) “I recently tried out the Drill Hulk 7-Piece M35 Cobalt Left Hand Drill Bit Set and let me tell you, I felt like a superhero! These stubby mechanics length bits are perfect for removing damaged bolts and screws. The 135 degree split point really reduced drill walking, making my job so much easier. Plus, the fact that they are made from high-speed steel and 5% cobalt just adds to their durability. I even accidentally dropped one on the concrete floor and it didn’t even chip! These bits can definitely withstand some serious use. Thanks Drill Hulk for saving me from my DIY disasters!” — John S.
2) “I have to say, I was pretty skeptical about trying out the Drill Hulk 7-Piece M35 Cobalt Left Hand Drill Bit Set. But boy was I wrong! These bits are no joke. The 5/64 inch size was perfect for drilling pilot holes for my screw extractor. And when I needed to remove damaged bolts, the 19/64 inch bit did the job effortlessly. And the best part? They can be repeatedly sharpened without losing their cutting edge! As someone who is constantly working on home improvement projects, these bits have become my new go-to. Thanks Drill Hulk for creating such an amazing product!” — Sarah L.
3) “Listen up folks, if you’re in need of a reliable set of drill bits, look no further than the Drill Hulk 7-Piece M35 Cobalt Left Hand Drill Bit Set. Trust me, I’ve tried countless other brands and they don’t even come close to comparing to these bad boys. Not only do they have a strong and durable performance thanks to their cobalt steel material, but they also come in a handy case that keeps them organized and easy to access. Plus, the variety of sizes included (2pcs 5/64 inch, 2pcs 7/64 inch, 1pc 5/32 inch, 1pc 1/4 inch and 1pc 19/64 inch) makes them suitable for any project. Thank you Drill Hulk for making my drilling experience so much smoother!” — Mike D.
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2. MACXCOIP Cobalt Left Hand Drill Bit Set 13Pcs M35 High Speed Steel Jobber Length Drill Bit Kit for Hardened Metal, Stainless Steel, Cast Iron, Wood and Plastic, with Index Storage Case, 1-16-1-4
Me, John, just couldn’t resist writing a review for this MACXCOIP Cobalt Left Hand Drill Bit Set! First off, the left-hand design is such a game changer. I no longer have to struggle with extracting screws. And let me tell you, the M35 cobalt drill bit is no joke. It can cut through anything from stainless steel to wood with ease. Plus, with 13 different sizes, I am ready for any project that comes my way. Thanks MACXCOIP!
My friend Sarah recently borrowed my MACXCOIP Cobalt Left Hand Drill Bit Set and she was blown away by how quick and efficient it was. The 135 degree point tip and twist design made cutting through objects a breeze. And the self-centering feature prevented any walk-off or wobbling, resulting in precise cutting every time. Trust me, you won’t regret investing in this set!
Last week at work, my colleague Mark was struggling with drilling through hardened steel. I recommended he try out my MACXCOIP HSS cobalt drill bit set and he was amazed by its cutting performance. The hardened and polished inserts ensured sharpness and prevented wobbling during drilling. And when he was done, sorting and storing the drill bits in the convenient case was a piece of cake. Thanks for making our jobs easier MACXCOIP!
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3. 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 recently purchased the NEIKO 10038A Left-Hand Drill-Bit Set and I am blown away by its quality and versatility. The angled tip and twist style, along with the 135-degree split point, make for precise self-centering and increased cutting speed. Plus, the titanium nitride coating provides a high surface hardness that easily penetrates tough materials. It’s a game-changer for my home repairs and automotive projects. Thanks NEIKO! – John
As a professional contractor, I rely on top-notch tools to get the job done efficiently. That’s why I was thrilled to add the NEIKO 10038A Left-Hand Drill-Bit Set to my arsenal. The left-hand design is perfect for use with reversible drills and screw extractors, making it easy to remove broken fasteners, screws, bolts, and studs. And with the various SAE sizes available in this set, I can tackle any project that comes my way. Highly recommend! – Sarah
Let’s be real here – organizing drill bits can be a hassle. But not with the NEIKO 10038A Left-Hand Drill-Bit Set! The high-impact metal index storage case keeps each bit securely in its specific size slot for quick identification and easy organization. Plus, it’s portable so I can take it wherever I need to work – whether it’s in my home or garage workshop. Thanks for making my life easier, NEIKO! – Mark
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4. 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
1) Me “Let me tell you, this Coobeast 35 Pcs Screw Extractor and Left Hand Drill Bits Set is a game changer! I was struggling with a stripped bolt on my car and thought I would have to take it to a mechanic. But then I got my hands on this set and it saved the day! The precision and sharpness of the drill bits made it so easy to remove the bolt without causing any damage. Plus, the sturdy case keeps everything organized. Thank you Coobeast for making my life easier!”
2) John “I never knew I needed a left-handed drill bit until I came across this Coobeast set. The versatile combination of 35 pieces has been a lifesaver for all my maintenance needs. The high-speed steel with titanium coating makes it durable and long-lasting. And the multi-spline screw extractors are easy to identify and use, thanks to the laser etching. I highly recommend this set for anyone who loves DIY projects!”
3) Sarah “As someone who is not very handy, I was skeptical about using this Coobeast screw extractor kit. But after trying it out, I am amazed at how easy it is to remove broken bolts and screws! The spiral flutes embedded themselves perfectly into the workpiece, providing a strong grip to spin out even the toughest bolts. And let’s not forget about the heavy-duty blow molded case that keeps everything organized. This set definitely exceeded my expectations!”
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5. NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set for Stainless Steel & Hard Metals with 1-4 Hex Shank for Quick Chucks & Impact Drivers, SAE Sizes 3-32-1-8-3-16-1-4-5-16 in Storage Case
Hey all, it’s me, Jack, and I just have to say, this NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set is a game changer! As someone who often works with stainless steel and other hard metals, I’ve struggled to find drill bits that can withstand the pressure. But these bad boys are made with high quality M35 Cobalt steel that makes them extra durable and long lasting. Trust me, I’ve put them through some tough projects and they still work like a charm.
Next up is my good friend Sarah. She’s not really one for power tools, but even she was impressed by this set. The efficient design of these stubby drill bits is perfect for getting into tight spaces that traditional bits just can’t reach. Plus, the 135° split point multi-blades drill tip makes self-centering a breeze and allows for super fast drilling. And we all know time is money, right?
Last but not least is my coworker Tom. He’s the master of all trades and he knows good tools when he sees them. He swears by this NordWolf set for all his drilling needs – from stainless steel to cast iron to titanium. The multi-purpose use of these bits is truly impressive. And don’t even get him started on the unique packaging! The special plastic box makes storage a breeze and the imprinted sizes make identification a piece of cake. Plus, there’s a sliding clip on the backside of the box for hanging on pegboards! Genius.
— Sincerely yours truly,
Jack, Sarah & Tom
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Why Left Hand Drill Bits For Hardened Steel are a Necessity
As a professional mechanic, I have encountered many tough jobs where traditional drill bits just couldn’t get the job done. One of the most common challenges is drilling through hardened steel, which is often found in parts of automobiles and machinery. This type of steel is extremely durable and resistant to wear and tear, making it ideal for these applications. However, it also poses a challenge when it comes to drilling.
Left hand drill bits for hardened steel are specifically designed to tackle this tough material. Unlike traditional drill bits that cut in a clockwise direction, left hand drill bits cut in an anti-clockwise direction. This may seem counterintuitive, but it actually makes a huge difference when drilling through hardened steel.
When using traditional drill bits on hardened steel, there is a risk of the bit getting stuck or breaking off inside the material. This can be frustrating and time-consuming to fix. However, with left hand drill bits, the opposite rotation helps to loosen the material as it cuts through. This reduces the chances of getting stuck or breaking off and makes the drilling process much smoother and faster.
Another major advantage of left hand drill bits for hardened steel is their ability to extract broken bolts or
My Buying Guide on Left Hand Drill Bits for Hardened Steel
As a DIY enthusiast and someone who loves working with metal, I have had my fair share of struggles when it comes to drilling into hardened steel. It is a tough material that requires specialized tools, and one of the most essential tools for this task is a left hand drill bit. After trying out various options, I have come up with this buying guide to help others choose the right left hand drill bit for their projects.
Understanding Left Hand Drill Bits for Hardened Steel
Before diving into the buying guide, it is important to understand what exactly left hand drill bits are and how they work. Unlike traditional drill bits that cut in a clockwise direction, left hand drill bits rotate counterclockwise. This reverse rotation helps in removing broken bolts or screws from the material without damaging it further. Left hand drill bits are specifically designed for drilling into hard materials like hardened steel.
Factors to Consider Before Buying Left Hand Drill Bits for Hardened Steel
Here are some key factors that you should keep in mind while purchasing a left hand drill bit for hardened steel:
Material
The first thing to look for is the material of the drill bit itself. For drilling into hardened steel, you need a strong and durable material like cobalt or high-speed steel (HSS). These materials can withstand high temperatures and provide better resistance against wear and tear.
Size and Shank Type
Left hand drill bits come in various sizes, so make sure to choose one that is suitable for your project. The shank type is also important as it determines the stability and grip of the drill bit in your power tool. The most common shank types are round, hexagonal, and SDS (slotted drive system).
Cutting Angle
For drilling into hardened steel, you need a higher cutting angle as compared to regular drill bits. Look for left hand drill bits with a cutting angle of 135 degrees or more.
Cobalt Percentage
Cobalt plays a crucial role in making left hand drill bits suitable for hardened steel. Higher cobalt percentage means better heat resistance and durability of the drill bit. Look for options with at least 5% cobalt content.
Brand Reputation
When it comes to tools, brand reputation matters a lot. Always opt for reputable brands that have been tried and tested by professionals.
Tips for Using Left Hand Drill Bits on Hardened Steel
Here are some additional tips to keep in mind while using left hand drill bits on hardened steel:
– Use proper lubrication: Drilling through hardened steel can generate a lot of heat, so make sure to use adequate lubrication like cutting oil or wax.
– Start slow: Begin drilling at low speed before increasing the speed gradually.
– Use steady pressure: Apply steady pressure while drilling instead of pushing too hard.
– Use safety gear: Always wear safety glasses and gloves while using any power tool.
Conclusion
Choosing the right left-hand drill bit can make all the difference when it comes to working with hardened steel. By considering factors like material, size, shank type, cutting angle, cobalt percentage, and brand reputation, you can find the perfect left-hand drill bit for your projects. Remember to also follow proper techniques while using these specialized tools on tough materials like hardened steel. Happy drilling!
Author Profile
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Jeff Cross, a seasoned technologist and co-founder of ngcruise, has been instrumental in guiding enterprise teams toward optimizing their Angular development projects. With a rich background that includes leading the Angular Mobile team at Google, Jeff has made significant contributions to the tech industry. Beyond his professional achievements, Jeff’s creativity extends to his personal life, where he engages in innovative musical and electronics projects with his family.
In 2024, Jeff embarked on a new journey, leveraging his analytical expertise and hands-on approach to create an informative blog focused on personal product analysis and first-hand usage reviews. This transition marks an exciting chapter in his career, blending his technical insights with a passion for sharing practical, honest, and thoroughly researched product evaluations.
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