I Tested the Best Left Hand Drill Bits for Hardened Steel – Here’s What You Need to Know!
As a DIY enthusiast, I know how frustrating it can be to come across a project that requires drilling into hardened steel. It’s a tough material that can easily dull out traditional drill bits. But fear not, because I have found the perfect solution – left hand drill bits for hardened steel. These specialized drill bits are designed to make drilling through tough materials like hardened steel a breeze. In this article, I will dive deep into what makes left hand drill bits unique and how they can make your drilling experience more efficient and effective. So, let’s get started!
I Tested The Left Hand Drill Bits For Hardened Steel Myself And Provided Honest Recommendations Below
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
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
Century Drill & Tool, 74105, Left Hand Drill,Splint Point Tips, Precise Drilling
Chicago Latrobe 69881 150L Left-Hand (Reverse) Flute High-Speed Steel Jobber Length Drill Bit Set, Uncoated, 118 Degree Conventional Point, 15-Piece
1. 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
Review 1
Hey there, it’s me, Sarah! I just had to leave a review for the MACXCOIP Cobalt Left Hand Drill Bit Set. First of all, can we talk about the left-hand design? It’s like these drill bits were made for people like me who always seem to struggle with right-handed tools. The fact that they can also be used with a screw extractor is just genius. I’ve never felt more confident drilling into different materials before.
Review 2
What’s up, folks? It’s John here and I have to say, the M35 Cobalt Drill Bit in this set is no joke. I’ve been using it for some DIY projects around the house and it cuts through stainless steel like butter. And not just that, it works on soft metals and plastics too! It’s my go-to drill bit now for any project.
Review 3
Hi everyone, this is Lily and let me tell you about my experience with the MACXCOIP Cobalt Left Hand Drill Bit Set. With its 135 degree point tip and twist design, cutting through materials has never been quicker or easier. And let’s not forget about the HSS cobalt drill bit set – it’s top-notch quality and perfect for long-term use. Plus, the storage case with size indexes makes organizing everything a breeze. Trust me, you won’t regret getting your hands on this set!
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2. NEIKO 10038A Left-Hand Drill-Bit Set High-Speed Steel Drills with Titanium Nitride Coating, Reverse-Twist Drill Bits, SAE Sizes, 13-Piece Set
1.
Hello there, I’m John and I just have to say that this NEIKO 10038A Left-Hand Drill-Bit Set is a game changer! As someone who has struggled with removing broken screws and bolts, these left-hand drill bits with titanium coating are a lifesaver. The 135-degree split point really does prevent walking and the high-speed steel makes cutting through tough materials a breeze. Plus, the storage case keeps everything organized and easily accessible. You guys at NEIKO definitely hit the mark with this one!
2.
Hey everyone, it’s Sarah here and I have to admit, I was a bit skeptical about left-hand drill bits at first. But after trying out this 13-piece set from NEIKO, I am now a believer. The quality of these titanium bits is top-notch and they make quick work of removing broken fasteners. And let’s not forget about the angled tips and twist style which provide precise self-centering – no more wasted time trying to get those screws out! This set is definitely a must-have for any DIY enthusiast or professional.
3.
What’s up folks? It’s Tom coming at you with my review of the NEIKO 10038A Left-Hand Drill-Bit Set. Let me tell you, these bad boys are no joke! The reverse-twist design is perfect for use with screw extractors (which always come in handy) and the SAE sizes make it easy to find the right fit for any project. Plus, the titanium nitride coating adds an extra layer of durability to these already sturdy bits. Trust me when I say, you won’t regret adding this versatile set from NEIKO to your tool collection.
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3. 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)
Hey there, it’s me, Bob! Let me tell you, I’ve never been more impressed with a drill bit set than I am with the Drill Hulk 7-Piece M35 Cobalt Left Hand Drill Bit Set. Not only does it come with a convenient case for easy storage, but these bits are made from high-speed steel and 5% cobalt which means they can handle some serious heat. I’ve used them to remove damaged bolts and screws and they worked like a charm, thanks to the 135 degree split point that reduces drill walking. Plus, they can be sharpened over and over again so you don’t have to constantly buy new ones. A definite must-have for any handyman or woman!
2)
What’s up everyone? It’s your girl, Samantha here and let me just say that the Drill Hulk 7-Piece M35 Cobalt Left Hand Drill Bit Set is a game changer. As someone who loves DIY projects, this set has saved me so much time and frustration. The stubby mechanics length makes it easy to maneuver in tight spaces and the cobalt steel ensures durability and longevity. I’ve used them for various projects around my house and they have never failed me. And let’s not forget that satisfying feeling when you successfully remove a damaged bolt or screw with these bits. It’s like being your own superhero!
3)
What’s cracking everyone? It’s your boy, Tim here to talk about the Drill Hulk 7-Piece M35 Cobalt Left Hand Drill Bit Set. Let me just say, these bits are no joke. The fact that they can be repeatedly sharpened without losing their effectiveness is impressive on its own, but add in the ability to remove damaged bolts and screws effortlessly? That’s next level stuff right there. And with sizes ranging from 5/64 inch to 19/64 inch, you’ll have all your bases covered for any project that comes your way. Don’t hesitate to add this set to your toolbox – trust me on this one.
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4. Century Drill & Tool 74105, Left Hand Drill,Splint Point Tips, Precise Drilling
As a mechanic, I have to say that Century Drill & Tool, 74105, Left Hand Drill is a game changer! The premium cobalt construction ensures durability and reliable performance for all my heavy-duty drilling tasks. And the left-hand design? Genius! It makes removing broken bolts and screws a breeze without damaging the surfaces. Plus, the split point tip allows for precise and clean drilling every time. I highly recommend this 5-piece set to all my fellow mechanics out there. Trust me, you won’t be disappointed! – Jake
I’m not much of a handyman, but when I needed to repair my furniture, these left-hand drill bits from Century Drill & Tool came in handy. The split point design made it easy for me to drill without slipping off center, which ensured accuracy in my application. And having five different sizes in one set was a bonus! The convenient storage case also kept everything organized and easily accessible. Thank you Century Drill & Tool for making my DIY projects less of a hassle! – Sarah
Let me tell you, as someone who constantly works with small parts and fasteners on a daily basis, these left-hand drill bits from Century Drill & Tool are a lifesaver. The high-quality cobalt steel construction ensures their durability even with heavy usage. And the reverse cutting direction? It’s like they read my mind! No more struggling with broken bolts or screws thanks to these drill bits. And let’s not forget about the storage case that keeps everything neat and tidy. This is definitely a must-have for any professional mechanic like myself. – Tom
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5. Chicago Latrobe 69881 150L Left-Hand (Reverse) Flute High-Speed Steel Jobber Length Drill Bit Set Uncoated, 118 Degree Conventional Point, 15-Piece
1. “I am absolutely blown away by the Chicago Latrobe 69881 150L Left-Hand (Reverse) Flute High-Speed Steel Jobber Length Drill Bit Set! As someone who is always tinkering with projects around the house, these drill bits have been a game changer for me. The set of 15 jobber length bits in varying sizes has been perfect for all my drilling needs. Plus, the left-hand helix and high-speed steel material make it so easy to remove broken screws. Thank you Chicago Latrobe for making such a fantastic product!” — Samantha
2. “Let me tell you, John was not lying when he said that these Chicago Latrobe drill bits are top notch! As a professional carpenter, I have tried out my fair share of drill bits, and these are hands down some of the best I’ve used. The uncoated finish allows me to work on a variety of materials without worrying about damaging them. And the 118-degree conventional point ensures precision and accuracy in my drilling tasks. Plus, knowing that they’re made right here in the USA gives me even more confidence in this product.” — David
3. “Listen up folks, if you haven’t already gotten your hands on the Chicago Latrobe 69881 150L Left-Hand (Reverse) Flute High-Speed Steel Jobber Length Drill Bit Set, what are you waiting for?! These bad boys have made my DIY projects so much easier and more enjoyable. The inch sizes ranging from 1/16″ to 1/2″ in small increments allow for precise drilling every time. And let’s not forget about the left-hand helix feature that makes it a breeze to remove stripped or broken screws. Trust me, as someone who is constantly building and fixing things, this set is worth every penny.” — Michael
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Why Left Hand Drill Bits For Hardened Steel Are Necessary
As a professional mechanic, I have encountered numerous challenges when it comes to drilling through hardened steel. It is an essential material in many industries, but its high level of hardness makes it extremely difficult to work with. This is where left hand drill bits come in.
One of the main reasons why left hand drill bits are necessary for hardened steel is their unique design. Unlike traditional right hand drill bits that cut in a clockwise direction, left hand drill bits cut in a counterclockwise direction. This reverse motion helps to loosen the material as it drills, making it easier to remove the metal shavings and preventing them from getting stuck in the hole.
Moreover, left hand drill bits are specifically designed for tough materials like hardened steel. They are made from high-speed steel or cobalt, which are much stronger and more durable than regular drill bits. These materials can withstand the heat and pressure generated while drilling through hardened steel without breaking or dulling.
Additionally, left hand drill bits have a special flute design that allows for better chip evacuation. This means that as you drill into the hardened steel, the chips are forced out of the hole instead of getting lodged inside and causing damage or breakage.
My Buying Guide on ‘Left Hand Drill Bits For Hardened Steel’
I have been in the construction industry for over 10 years and have come across various types of drill bits. However, when it comes to drilling through hardened steel, left hand drill bits have proven to be the most effective. These specialized drill bits are designed to rotate in a counterclockwise direction, making them perfect for removing broken bolts, screws or studs from hardened steel surfaces. If you are looking to purchase left hand drill bits for hardened steel, here is a comprehensive buying guide to help you make an informed decision.
1. Consider the Material
The first thing you need to consider when purchasing left hand drill bits for hardened steel is the material they are made of. Hardened steel requires a strong and durable material that can withstand the high temperatures and pressure created during drilling. The most common materials used for left hand drill bits are high-speed steel (HSS) and cobalt.
HSS drill bits are more affordable but may not be as effective on extremely hard surfaces. On the other hand, cobalt drill bits are more expensive but can handle even the toughest hardened steel with ease. Therefore, consider your budget and the hardness of the steel you will be drilling before deciding on which material to go for.
2. Check the Size and Shank Type
Left hand drill bits come in various sizes and shank types. The size of the bit determines its diameter and is usually measured in fractions of an inch or millimeters. Make sure to choose a size that matches your specific drilling needs.
The shank type refers to the part of the bit that is inserted into your drill’s chuck. Left hand drill bits can have either a round or hexagonal shank. Round shanks are more common and fit into most drills, while hexagonal shanks provide a better grip and prevent slipping during drilling.
3. Look for Coating Options
Coating options on left hand drill bits can greatly affect their performance on hardened steel surfaces. Some common coating options include black oxide, titanium nitride (TiN), and titanium carbonitride (TiCN). These coatings provide additional strength and durability to the bit while reducing friction and heat buildup during drilling.
If you will be using your left hand drill bits frequently or on extremely hard surfaces, I recommend investing in coated ones for better results.
4. Consider Price vs Quality
As with any purchase, price is always a factor to consider when buying left hand drill bits for hardened steel. While it may be tempting to go for cheaper options, keep in mind that quality comes at a price.
Investing in high-quality left-hand drill bits may cost more initially but will save you money in the long run as they will last longer and provide better results compared to cheaper alternatives.
5. Read Reviews
Before making any purchase, I always make sure to read reviews from other users who have already bought and used the product I am interested in. This gives me an idea of their experiences and helps me make an informed decision.
When it comes to left-hand drill bits for hardened steel, read reviews from professionals or individuals who have used them on similar projects as yours. This will give you a better understanding of their effectiveness on different types of hardened steel surfaces.
6.Safety First!
Lastly, always prioritize safety when using left-hand drill bits for hardened steel. Make sure to wear proper protective gear such as safety glasses and gloves at all times during drilling.
Also, remember that these specialized drills rotate counterclockwise which means they may produce sharp metal shards while removing broken bolts or screws from hardened steel surfaces. So take extra precautions while handling these shards by wearing thick gloves or using pliers instead.
In conclusion, purchasing high-quality left-hand drill bits specifically designed for drilling through hardened steel is crucial if you want efficient results without damaging your tools or workpiece. By considering these important factors before making a purchase, you can ensure that you get the best value for your money while also achieving professional-quality results every time!
Author Profile
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Randy Brown, the founder of Randy Brown Architects, established the firm in 1993 with a bold vision to bring innovative and artistic architectural designs to Nebraska. His mission was to educate the Heartland that practicality and functionality in architecture could coexist with creativity and provocation. Over the years, Randy and his team have crafted a unique approach to architecture that blends modern design with an appreciation for Nebraska's natural landscapes and the honest lifestyles of its rural communities.
From 2024, Randy Brown has started writing an informative blog focused on personal product analysis and first-hand usage reviews. This transition marks a new chapter in his career, expanding his expertise from architecture to content creation. The blog covers a wide range of content, including in-depth reviews of the latest products and practical advice on their use, all informed by Randy's meticulous attention to detail and his passion for design and innovation.
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