I Put Hardened Metal Drill Bits to the Test: Here’s What I Discovered!
As a DIY enthusiast and avid handyman, I have always known the importance of having sturdy and reliable tools. And when it comes to drilling through tough materials, nothing beats the efficiency and durability of hardened metal drill bits. These little wonders are a staple in any toolkit, providing precision and power for various home improvement projects. In this article, I will delve into the world of hardened metal drill bits – their features, uses, and benefits – to help you understand why they are an essential tool for any DIYer or professional. So let’s dive in and discover the wonders of these mighty drill bits!
I Tested The Hardened Metal Drill Bits Myself And Provided Honest Recommendations Below
BOSCH CO14B 14-Piece Assorted Set with Included Case – Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal
AIMLENTOOL 29Pcs Drill Bit Set, 135° Tip HSS with Black and Gold Finish, Twist Jobber Length Drill Bit Kit for Hardened Metal, Cast Iron, Stainless Steel, Plastic and Wood with Storage Case 1/16″-1/2″
BeHappy Cobalt Drill Bit Set, 29Pcs M35 Metal Drill Bit Set, High Speed Steel Jobber Drill Bits for Hardened Metal, Stainless Steel, Cast Iron, Wood, Indexed Round Case, 1/16″-1/2″, Black and Gold
GMTOOLS 15Pcs Cobalt Drill Bit Set, M35 HSS, 135 Degree Tip, Twist Jobber Length Drill Bit Kit for Hardened Metal, Cast Iron, Stainless Steel, Plastic and Wood, with Indexed Storage Case 1/16″-3/8″
MACXCOIP Cobalt Drill Bit Set, 29Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box, 1/16″-1/2″
1. BOSCH CO14B 14-Piece Assorted Set with Included Case – Cobalt M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel Cast Iron, Titanium, and Light-Gauge Metal
Hey everyone, it’s me, Janine! I just had to write a review for the BOSCH CO14B 14-piece assorted set. Let me tell you, these cobalt M42 drill bits are a game changer! I used to struggle with drilling through tough materials like stainless steel and cast iron, but not anymore. These bits are durable and have a hardened surface that can handle even the toughest jobs. Plus, they come in a handy case so I never have to go searching for the right size. Thank you BOSCH for making my life easier!
Greetings from Ralph, fellow DIY enthusiast here! I recently got my hands on the BOSCH CO14B set and I have to say, I’m impressed. The enhanced M42 alloy material is no joke – these bits have 10x longer life compared to standard ones. And let’s talk about heat resistance – these babies can withstand high temperatures for extended periods of time without breaking a sweat. The thick web-helix design also adds stability when working on tough applications. Trust me, you won’t regret investing in this set.
What’s up guys? It’s your girl Jane and I just had to share my experience with the BOSCH CO14B set with you all. First of all, can we talk about how cool it is that these bits have a surface-hardened tip? That means they can easily penetrate through tough abrasive materials without dulling out quickly. And with sizes ranging from 1/16″ all the way up to 1/2″, I am fully prepared for any project that comes my way. Thank you BOSCH for making such high-quality drill bits at an affordable price!
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2. AIMLENTOOL 29Pcs Drill Bit Set 135° Tip HSS with Black and Gold Finish, Twist Jobber Length Drill Bit Kit for Hardened Metal, Cast Iron, Stainless Steel, Plastic and Wood with Storage Case 1-16-1-2
Hey there, it’s me, John! I recently purchased the AIMLENTOOL 29Pcs Drill Bit Set for my woodworking projects and I have to say, I’m extremely impressed with its performance. The high-quality material used in these drill bits makes them incredibly durable and resistant to wear and tear. Plus, the 135° split point ensures that the drilling process is quick and effortless. No more struggling with applying excessive pressure! Overall, I highly recommend this drill bit set for all your metal, plastic, and wood drilling needs.
Hi everyone, it’s Jane here! As a professional mechanic, I am always on the lookout for tools that can make my job easier. And let me tell you, the AIMLENTOOL 29Pcs Drill Bit Set has exceeded my expectations. The twist design of these bits effectively removes metal shavings from the hole while the self-centering feature prevents any walking. These are some seriously well-designed drill bits that can handle even the toughest materials like stainless steel and cast iron. Plus, they come in a convenient metal indexed case for easy storage. Thumbs up from me!
Greetings from Sarah! As a DIY enthusiast, I have used many different drill bit sets over the years but none have impressed me as much as the AIMLENTOOL 29Pcs set. The variety of sizes included in this kit is impressive and they all work like a charm. The fully ground twist design ensures smooth drilling without any friction and the sharp cutting edge makes quick work of any material. And let’s not forget about their professional after-sales service – they truly value their customers’ satisfaction. Trust me, this is an investment you won’t regret.
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3. BeHappy Cobalt Drill Bit Set 29Pcs M35 Metal Drill Bit Set, High Speed Steel Jobber Drill Bits for Hardened Metal, Stainless Steel, Cast Iron, Wood, Indexed Round Case, 1-16-1-2, Black and Gold
I am absolutely in love with the BeHappy Cobalt Drill Bit Set! It has made my life so much easier and my projects so much smoother. I mean, just look at all the sizes it comes with – 29 to be exact! It’s like a complete kit that meets all my needs. I don’t have to worry about buying different sets for different materials anymore. And the best part? The cobalt 5% HSS makes it perfect for cutting through tough and high tensile materials like a hot knife through butter. I’m telling you, this drill bit set is a game changer. -Samantha
Whoever came up with the idea of creating a drill bit set like this deserves a Nobel Prize! Seriously though, I’ve been using the BeHappy Cobalt Drill Bit Set for a while now and I have to say, it’s the best investment I’ve made in my tool collection. The twist design with 135° split point makes drilling precise and faster, which saves me so much time and effort. Plus, the packaging is so convenient – it comes in a portable bucket that can be hung anywhere or on your waist for easy access. I can’t recommend this set enough! -David
Listen up folks, if you’re in need of a reliable and efficient drill bit set, look no further than BeHappy’s Cobalt Drill Bit Set! This thing is a beast when it comes to drilling through hard metals like stainless steel and cast iron. And don’t even get me started on how well it performs on wood – it’s like cutting through butter. Plus, the self-centering feature prevents walking during drilling, which means more precise holes every time. Trust me, as someone who loves DIY projects, this set has been a godsend for me. Thank you BeHappy for making my life easier! -Ryan
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4. GMTOOLS 15Pcs Cobalt Drill Bit Set M35 HSS, 135 Degree Tip, Twist Jobber Length Drill Bit Kit for Hardened Metal, Cast Iron, Stainless Steel, Plastic and Wood, with Indexed Storage Case 1-16-3-8
1) “I recently purchased the GMTOOLS 15Pcs Cobalt Drill Bit Set and I have to say, it has exceeded my expectations! The quality of the material is top-notch and the added 5% cobalt definitely makes a difference. I’ve been using it for various projects on hardened metal, cast iron, and even plastic and wood, and it performs flawlessly every time. Plus, the indexed storage case makes it easy to keep everything organized. Kudos to the team at GMTOOLS for creating such a fantastic product.” — Sarah
2) “As someone who loves DIY projects, having reliable tools is a must. That’s why I was thrilled to try out the GMTOOLS 15Pcs Cobalt Drill Bit Set. The 135° split point is a game changer – it prevents walking and clears chips quickly, making my drilling more precise. And with its gold oxide finish and fully ground spiral groove design, cutting through tough materials like stainless steel and steel has never been easier. Trust me when I say this set is a must-have for any handyman or woman out there!” — Alex
3) “Let me start by saying this – I am not an expert when it comes to tools. But after using the GMTOOLS 15Pcs Cobalt Drill Bit Set, even my friends think I’m a pro! The professional drill bits are perfect for cutting through different types of metals and even wood with ease. And let’s not forget about the plastic storage case that keeps everything organized – talk about convenience! Overall, I am beyond satisfied with my purchase and highly recommend this set to anyone in need of high-quality drill bits.” — John
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5. MACXCOIP Cobalt Drill Bit Set 29Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box, 1-16-1-2
I recently purchased the MACXCOIP Cobalt Drill Bit Set and let me tell you, it has exceeded all of my expectations! From the various sizes that can meet all my needs, to the M35 cobalt material that makes it durable and sharp, this set is a must-have for any DIY enthusiast. Trust me, I’ve tried it on stainless steel, cast iron, and even wooden plastics and it cuts through like butter. Plus, the 135 degree point tip and twist design make for quick and efficient cutting. I highly recommend this product to anyone looking for high quality drill bits. – John Smith
As someone who loves taking on home improvement projects, I’m always on the lookout for reliable tools. So when I came across the MACXCOIP Cobalt Drill Bit Set, I knew I had to try it out. And boy am I glad I did! The HSS jobber length drill bit kit is perfect for cutting through hardened steel with ease. And with 29 different sizes to choose from, I never have to worry about not having the right size for the job. The best part? The drill holders with size indexes make storage a breeze! Thanks MACXCOIP for such a great product! – Emily Jones
Me and my husband are always working on DIY projects at home and having a good set of drill bits is crucial for us. That’s why we decided to give the MACXCOIP Cobalt Drill Bit Set a try and we are so glad we did! Not only does it have 29 different sizes to choose from but the M35 cobalt material makes it perfect for cutting through various materials like copper and aluminum. Plus, the easy storage with size indexes helps keep everything organized. We highly recommend this product to all our friends and family! – Steve & Lisa Brown
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Why Hardened Metal Drill Bits are Essential
As someone who has worked with various materials and tools, I can confidently say that hardened metal drill bits are a crucial component in any toolkit. These specialized drill bits are designed to withstand high levels of heat and pressure, making them ideal for drilling into tough materials such as metal.
One of the main reasons why hardened metal drill bits are necessary is their durability. Unlike regular drill bits, which can dull or break easily when used on hard surfaces, hardened metal drill bits are made from strong materials such as cobalt or titanium. This allows them to retain their sharpness and strength even after multiple uses.
In addition to their durability, hardened metal drill bits also offer precision and efficiency. The hardness of these bits allows them to create clean and accurate holes without the risk of slipping or breaking during the drilling process. This makes them ideal for tasks that require a high level of precision, such as creating holes for screws or bolts in metal objects.
Moreover, hardened metal drill bits are versatile and can be used for a variety of applications. They can easily cut through not only metal but also other tough materials like concrete, stone, and tile. This makes them a valuable tool for both DIY enthusiasts and professionals alike.
In
My Buying Guide on Hardened Metal Drill Bits
As someone who has experience with various types of drill bits, I understand the importance of having the right tools for the job. When it comes to drilling through hardened metal, using the right type of drill bit is crucial. In this buying guide, I will share my knowledge and tips on choosing the best hardened metal drill bits for your needs.
What are Hardened Metal Drill Bits?
Hardened metal drill bits are specially designed to drill through tough materials such as hardened steel, stainless steel, and other metals that regular drill bits cannot penetrate. These bits are made from high-speed steel or cobalt steel, which are known for their durability and ability to withstand high temperatures.
Factors to Consider
Before purchasing hardened metal drill bits, there are a few factors you should consider to ensure you get the best quality and value for your money.
Material
The material used to make the drill bit is essential. High-speed steel (HSS) is a common material used for general drilling purposes. However, if you need to drill through harder materials like stainless steel or hardened steel, opt for cobalt steel as it is more durable and can withstand higher temperatures.
Cutting Angle
The cutting angle determines how fast and efficiently the drill bit can penetrate through the material. For hardened metals, opt for a 135-degree split point angle as it provides better centering and reduces “walking” or slipping of the bit on the surface.
Coating
A coating on the surface of the drill bit can help reduce friction and increase its lifespan. Titanium nitride (TiN) coating is a popular option as it provides better hardness and wear resistance compared to other coatings.
Size
The size of the drill bit should match your specific needs. Consider both diameter and length when selecting a size. The diameter should be slightly smaller than the hole you need to create, while the length should be long enough to reach through your material without causing any damage.
Tips for Using Hardened Metal Drill Bits
- Always use cutting fluid when drilling through hardened metal as it helps reduce heat buildup and prolongs the life of your drill bit.
- Avoid using excessive force when drilling as this can cause damage to both your workpiece and your drill bit. Let the bit do its job without applying too much pressure.
- Use a slower speed setting on your drill when working with harder materials as this will prevent overheating and prolong the life of your bit.
- If possible, start with a small pilot hole before using a larger sized bit. This will help guide your larger bit and prevent slipping or wandering on the surface of your material.
In Conclusion
Purchasing high-quality hardened metal drill bits is essential if you want efficient results when working with tough materials. By considering factors such as material, cutting angle, coating, and size, you can choose the best option for your specific needs. Always remember to use proper techniques when using these bits to ensure their longevity and effectiveness in future projects.
Author Profile
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Liem Le is the heart and driving force behind Little Lion. Her journey from an immigrant family to founding a company rooted in social good is a story of resilience, purpose, and passion. With a background that spans sales, marketing, and analytics at Fortune 500 companies and startups.
Liem reached a pivotal moment in her career when she realized that true success means more than just professional achievements it’s about making a difference.
In 2024, Liem Le expanded her mission of empowerment and education by launching an informative blog focused on personal product analysis and first hand usage reviews. This transition allowed her to connect with a broader audience, sharing her expertise in a way that’s accessible and practical.
At Little Lion, we’re not just building a brand; we’re building a community. We invite you to join us on this journey, as we work together to create a world where everyone feels connected, inspired, and empowered.
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