Why I Switched to a Premium MM Drill Bit Set: My Expert Experience and Insights
As a DIY enthusiast and avid maker, I’ve always found that the right tools can transform a project from a simple task into a true work of art. One of my favorite discoveries along this journey has been the versatile and indispensable Mm Drill Bit Set. Whether I’m tackling a home improvement project, crafting intricate designs, or just fixing a loose hinge, having a reliable set of drill bits on hand makes all the difference. With their precision and range of sizes, these bits open up a world of possibilities, allowing me to tackle various materials with ease. Join me as I explore the benefits and features of the Mm Drill Bit Set, a tool that has become a staple in my workshop and can elevate your projects to new heights.
I Personally Reviewed The Mm Drill Bit Set And Shared My Honest Recommendations Below

Metric Cobalt Drill Bits Set 1.5-6.5mm 13PCS, M35 high Speed Steel, high Hardness Straight Shank Drill, Mechanical or Hand Drill for Drilling, Suitable for Stainless Steel, Iron, Copper and Aluminum.

M35 5% Cobalt Metric Drill Bits Set (1mm-10mm/19pcs), Straight Shank Jobber Drill Bits, Metal HSS Twist Drill Bits for Stainless Steel Hard Metal and Cast Iron

M35 Cobalt Metric Drill bit Set 1.5mm-6.5mm/13pcs Drill Bits Suitable for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum Plastic

Metric 99 Pieces Titanium Twist Drill Bit Set, 135° Tip High Speed Steel, Size from 1.5mm up to 10mm, Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass, with Hard Storage
1. Metric Cobalt Drill Bits Set 1.5-6.5mm 13PCS, M35 high Speed Steel, high Hardness Straight Shank Drill, Mechanical or Hand Drill for Drilling, Suitable for Stainless Steel, Iron, Copper and Aluminum.

When it comes to drilling tools, I always look for something that combines quality, versatility, and durability. The Metric Cobalt Drill Bits Set, ranging from 1.5mm to 6.5mm, is a stellar option that ticks all those boxes. This 13-piece set is crafted from M35 high-speed steel, which consists of 5% cobalt, providing exceptional wear resistance and making it a long-lasting addition to any toolbox. If you’re like me, someone who values having reliable tools that perform under pressure, this set is definitely worth considering.
One of the standout features of this drill bit set is its exceptional durability. The M35 HSS-CO material is not only robust but also designed to withstand high-intensity work. This means whether you’re a professional tradesperson or a DIY enthusiast, you can count on these bits to handle tough drilling tasks without wearing down quickly. I’ve often faced frustrating situations where drill bits become dull or break under pressure, but with these cobalt drill bits, I feel confident that they can take on the challenge.
Another reason I find this set so appealing is its versatility. It’s designed to tackle a variety of materials, including stainless steel, cast iron, copper, and aluminum. This means I can use them for multiple projects without needing to switch out bits constantly. For anyone involved in metalworking or various engineering applications, this feature alone is a game-changer. The ability to use one set of drill bits for different materials not only saves time but also reduces the need to invest in multiple specialized tools.
Performance is paramount when it comes to drilling, and I can confidently say that this set offers professional-grade performance. Each bit is engineered for efficiency and accuracy, ensuring that I get the results I’m looking for every time. I appreciate that I can rely on these bits for high-quality work, whether I’m working on personal projects or taking on professional jobs. The assurance of accurate drilling leads to cleaner finishes and ultimately enhances the quality of my work.
Heat resistance is another critical feature that I find particularly beneficial. The advanced heat resistance of these bits means they perform exceptionally well even in high-temperature environments. This is crucial when drilling through tough metals, as overheating can lead to damage or poor results. Knowing that these drill bits can maintain their integrity under pressure gives me peace of mind during use.
Flexibility and convenience are additional aspects that make this drill bit set a must-have. With 13 different specifications, I have a range of sizes to choose from, which allows me to adapt to various project needs effortlessly. Plus, the design ensures that the bits are easy to store and transport, which is a significant advantage when I’m on the go or working in different locations. A well-organized toolbox with accessible tools not only saves time but also contributes to a smoother workflow.
Feature Description Material M35 high-speed steel with 5% cobalt for exceptional durability Durability Outstanding wear resistance, ideal for high-intensity work Versatility Suitable for stainless steel, cast iron, copper, and aluminum Performance Professional-grade performance for efficient and accurate results Heat Resistance Advanced heat resistance for superior performance Flexibility 13 different sizes from 1.5mm to 6.5mm for various needs
the Metric Cobalt Drill Bits Set is an excellent investment for anyone who values quality and performance in their drilling tools. Whether you are a hobbyist or a professional, having a reliable set of drill bits that can withstand various materials and conditions is invaluable. I believe that once you try this set, you’ll appreciate the difference it makes in your work. Don’t miss out on the chance to enhance your toolkit with this outstanding drill bit set; it truly could make your projects easier and more enjoyable.
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2. M35 5% Cobalt Metric Drill Bits Set (1mm-10mm/19pcs), Straight Shank Jobber Drill Bits, Metal HSS Twist Drill Bits for Stainless Steel Hard Metal and Cast Iron

As someone who frequently engages in DIY projects and professional metalworking, I can’t help but feel excited about the M35 5% Cobalt Metric Drill Bits Set. This comprehensive set not only includes 19 precision drill bits ranging from 1mm to 10mm, but it also boasts superior construction from M35 Cobalt Steel, which is a game changer for anyone who regularly drills into tough materials. The addition of molybdenum and cobalt creates a hardened alloy that allows these bits to achieve an impressive Rockwell hardness of up to 67. This means I can expect them to cut faster and last significantly longer than standard high-speed steel (HSS) drill bits—up to 12 times longer, in fact!
One of the standout features of this drill bit set is its thoughtful design. The 135° split point, combined with a gold oxide surface, minimizes walking and ensures that I can drill with precision. Whether I’m cutting through stainless steel, steel, or cast iron, I appreciate how the round straight shank enhances stability and control. The fully ground design guarantees that chips and particles are effectively removed during the drilling process, which is essential for maintaining the integrity of my work and achieving clean holes.
Versatility is another significant advantage of the M35 drill bits. While they excel at cutting through hard metals, I can also use them on wood, aluminum alloys, and other softer materials. This adaptability means that I can rely on this set for a variety of projects, whether I’m constructing furniture, repairing machinery, or simply engaging in creative woodworking. However, it’s important to note that these bits are not suitable for glass or ceramic, so I’ll need to keep that in mind when planning my tasks.
The 19-piece set is organized in a sturdy plastic storage case, making it incredibly convenient for transport to job sites or my workshop. I appreciate how easy it is to find the right size bit quickly, which saves me time and frustration during projects. Plus, the satisfaction guarantee provided by WildBossy adds an extra layer of confidence in my purchase. Knowing that I can reach out for assistance if I encounter any issues is reassuring.
the M35 5% Cobalt Metric Drill Bits Set is an excellent investment for anyone serious about drilling into tough materials. Its robust construction, precision design, and versatility make it a must-have for both DIY enthusiasts and professionals alike. If you’re looking to elevate your drilling game and minimize downtime with durable, high-performance tools, I highly recommend considering this set. It’s a purchase that I believe will pay off in both efficiency and quality of work.
Feature Description Material M35 Cobalt Steel with Molybdenum and Cobalt Hardness Up to 67 Rockwell hardness Number of Bits 19 pieces (1mm to 10mm) Design 135° Split Point, Gold Oxide Surface, Round Straight Shank Versatility Suitable for stainless steel, steel, cast iron, wood, aluminum alloys Storage Sturdy plastic case for easy transport Warranty Satisfaction guarantee from WildBossy
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3. M35 Cobalt Metric Drill bit Set 1.5mm-6.5mm/13pcs Drill Bits Suitable for Stainless Steel, Hard Metal, Cast Iron, Copper, Aluminum Plastic

As someone who frequently engages in DIY projects and professional work, I find the M35 Cobalt Metric Drill Bit Set to be an incredible asset in my toolkit. With a range of sizes from 1.5mm to 6.5mm, this 13-piece set is not only versatile but also specifically designed to tackle a wide array of materials. Whether I’m working with stainless steel, hard metal, cast iron, copper, aluminum, or even plastic, these drill bits provide the performance I need for precision and efficiency.
The standout feature of this set is undoubtedly the inclusion of cobalt. With 5% cobalt content, these drill bits significantly improve hardness and high-temperature resistance compared to standard bits. This means I can confidently drill through tougher materials without worrying about the bits losing their edge or breaking under pressure. For anyone who has ever experienced the frustration of dull drill bits while in the middle of a project, this feature alone is a game changer. It provides peace of mind knowing that I can take on challenging tasks without the constant need for replacements.
In addition to their durability, the design of these drill bits is impressive. The 135-degree spiral double-edge cutting corners are engineered to advance smoothly without lingering on the surface. This allows for clean and precise drilling, which is essential for achieving professional results. I’ve used these bits on various projects, and I can attest to their efficiency; they cut through materials like butter, making the drilling process not only faster but also more enjoyable.
The variety of sizes in this set is another major advantage. With 13 different diameters, I have the right tool for almost any job that comes my way. Whether I need to make small pilot holes or larger openings, I can easily switch between bits without the hassle of searching for the right size. This aspect is particularly beneficial for those who enjoy home improvement projects or are engaged in professional work that demands precision.
Lastly, the M35 Cobalt Drill Bit Set comes in a practical plastic storage box, which is a thoughtful addition. The size identification feature makes it easy to choose and store the bits, preventing them from getting lost or damaged. I appreciate how organized my toolbox has become since I added this set, and the portability of the storage box means I can easily take it with me to job sites or on the go.
if you are someone who values quality and performance in your tools, I highly recommend the M35 Cobalt Metric Drill Bit Set. Its durability, versatility, and thoughtful design truly make it a worthwhile investment for both hobbyists and professionals alike. Whether you’re tackling small home projects or larger professional jobs, this drill bit set will undoubtedly enhance your efficiency and precision. Don’t miss out on the opportunity to elevate your toolkit—grab the M35 Cobalt Drill Bit Set today!
Feature Description Cobalt Content 5% cobalt for improved hardness and temperature resistance Size Range 1.5mm to 6.5mm (13 pieces) Material Compatibility Stainless steel, hard metals, cast iron, copper, aluminum, and plastic Design 135-degree spiral double-edge cutting for efficient drilling Storage Plastic storage box with size identification for easy access
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4. Metric 99 Pieces Titanium Twist Drill Bit Set, 135° Tip High Speed Steel, Size from 1.5mm up to 10mm, Ideal Drilling in Wood/Cast Iron/Aluminum Alloy/Plastic/Fiberglass, with Hard Storage

When it comes to drilling precision and versatility, I believe the Metric 99 Pieces Titanium Twist Drill Bit Set is a standout choice for anyone looking to enhance their toolkit. This set, featuring a variety of drill bit sizes ranging from 1.5mm up to 10mm, is crafted from high-speed steel (4241) which not only ensures strength and durability but also enhances the longevity of the bits. The decision to invest in a quality drill bit set like this one can significantly improve the quality of your work, whether you’re a DIY enthusiast, a professional contractor, or simply someone who enjoys home improvement projects.
One of the most impressive aspects of this drill bit set is its premium material construction. The high-speed steel used in these bits is designed to withstand high levels of stress and heat, which is crucial when drilling into tougher materials like cast iron or aluminum alloy. I appreciate that the titanium-coated surface further prevents rusting and reduces heat buildup, allowing for smoother operation and less wear over time. This means that I can rely on these bits for a longer period, ultimately saving me money in the long run.
The storage solution provided with this set is another feature that stands out to me. Supplied in a plastic storage box, the organization of the bits is not only practical but also ideal for easy transportation. This means I can take my drill bit set to job sites or have it neatly stored in my workshop without worrying about losing bits or having them scattered around. Having a well-organized toolkit is essential for maintaining efficiency, and I find this feature particularly beneficial.
Moreover, the versatility of this drill bit set is noteworthy. With the 135° fast cutting point, these bits are designed for quick penetration with less pressure, making them suitable for a wide range of materials including wood, plastic, fiberglass, and more. This level of adaptability is perfect for my various projects around the house or in my professional work. The comprehensive range of sizes ensures that I have the right bit for any application, so I never have to compromise on my work quality.
To summarize my thoughts, I genuinely believe that the Metric 99 Pieces Titanium Twist Drill Bit Set is an invaluable addition to any toolbox. Its combination of premium materials, effective storage solution, and versatility for drilling in multiple materials makes it a smart choice for both amateurs and professionals alike. If you’re looking to upgrade your drilling capabilities, I encourage you to consider this set as a worthwhile investment that will serve you well for years to come.
Size (mm) Quantity 1.5 16 2 16 2.5 15 3 10 3.2 10 3.5 8 4 8 4.5 3 5 3 5.5 2 6 2 6.5 2 8 2 10 2
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Why a Mm Drill Bit Set is Essential for My DIY Projects
As someone who loves tackling DIY projects around the house, I’ve found that having a comprehensive mm drill bit set is absolutely essential. One of the biggest advantages I’ve experienced is the versatility it offers. From hanging shelves to assembling furniture, the variety of bit sizes allows me to tackle projects of all kinds with ease. I no longer have to worry about not having the right size for the job, which saves me time and frustration.
Another reason I appreciate my mm drill bit set is the precision it provides. The metric sizing ensures that I can work with a wide range of materials, from softwoods to metals, without compromising on accuracy. When I’m drilling holes for dowels or screws, knowing I have the exact bit size means my projects turn out cleaner and more professional-looking. It’s incredibly satisfying to see everything fit together perfectly, and I credit my drill bit set for making that possible.
Lastly, I’ve realized that investing in a quality mm drill bit set can save me money in the long run. Instead of hiring professionals for simple tasks, I’ve taken on more projects myself, which has not only improved my skills but also reduced my expenses. With the right tools at my disposal
Buying Guide for MM Drill Bit Set
Understanding MM Drill Bit Sizes
When I first started exploring drill bits, I quickly realized that the term “MM” refers to the metric measurement of the drill bit sizes. This means the diameter of each drill bit is measured in millimeters. I found it essential to understand that metric sizes are often used in precision tasks, especially when working with specific materials or components.
Material Composition
One of the first things I considered was the material of the drill bits. Common materials include high-speed steel (HSS), cobalt, and carbide-tipped options. HSS bits are versatile and great for general use, while cobalt bits offer better heat resistance for tougher materials. Carbide-tipped bits are extremely durable and ideal for drilling into harder surfaces. I always think about the materials I will be drilling into when choosing the right composition.
Types of Drill Bits
As I explored my options, I discovered various types of drill bits available in MM sizes. Twist drill bits are the most common, suitable for a wide range of applications. For specific tasks, I found spade bits and masonry bits particularly useful. I also learned about specialized bits like step bits and hole saws, which serve unique purposes. Understanding the types helped me identify which ones I needed for my projects.
Number of Pieces in a Set
When I was looking for a drill bit set, I noticed that they come in different sizes, ranging from a small set to a comprehensive one with numerous bits. I realized that a larger set would offer more versatility, allowing me to tackle various projects without needing to purchase additional bits later. However, I also considered my storage space and budget, balancing quantity with practicality.
Shank Types
Another aspect that caught my attention was the shank type of the drill bits. I found that drill bits come with either round or hex shanks. Round shanks are common and fit into standard chucks, while hex shanks provide a more secure grip, especially in power drills. I made sure to choose a shank type that matched my drill for optimal performance.
Durability and Longevity
Durability was a key factor for me. I wanted drill bits that would withstand frequent use without dulling quickly. I looked for bits with coatings, such as titanium or black oxide, which can enhance their longevity. The durability of the bits would ultimately affect my efficiency and the quality of my work.
Price Range and Value
While shopping for an MM drill bit set, I found that prices can vary significantly. I considered my budget but also weighed the value of the bits I was purchasing. Sometimes, spending a bit more on a high-quality set pays off in the long run, as I wouldn’t have to replace them as often. I aimed to find a balance between affordability and quality.
Customer Reviews and Recommendations
Before making my final decision, I turned to customer reviews. Reading about other people’s experiences helped me gauge the performance and reliability of the sets I was considering. I often found that real-life feedback provided insights that specifications alone couldn’t convey.
purchasing an MM drill bit set involves several considerations, from size and material to durability and price. I learned that taking the time to evaluate my needs and options ultimately led to better choices in my tool collection. With the right drill bit set, I feel more equipped to tackle any project that comes my way.
Author Profile

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Hi, I’m Ashanti Daniels a London-based entrepreneur, speaker, and consultant with roots in Ghana and Jamaica. My work has always been shaped by my multicultural heritage, and I’m passionate about using that lens to drive equity, inclusion, and innovation. Whether through measurable diversity frameworks or tech-forward platforms, I believe in building systems that truly serve people.
Then in 2025, I began writing more intentionally. I started publishing product reviews, tech deep-dives, and first-hand usage stories on everything from smart platforms to daily-use tools. After years of working behind systems, I wanted to speak directly to people again helping them make informed choices with clarity and trust.
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