10 Best Drill Bits to Drill Hardened Steel– Precision Tools for Metalworking 2026
Choosing the best drill bits to drill hardened steel is crucial for effective metalworking. The right drill bits ensure precision and efficiency, preventing damage to both the tool and the material. Selecting high-quality options can enhance performance and lead to better results in your projects.
This guide reviews top-rated drill bits specifically designed for hardened steel. Each product has been assessed based on durability, efficiency, and user feedback. Readers will discover the best options available, helping them make informed choices for their metalworking needs.
List of Top 10 Best drill bits to drill hardened steel
| Image | Title | Best For | Link |
|---|---|---|---|
|
Nordwolf 5-piece M35 Cobalt Stubby Drill Bit Set For Stainless Steel & Hard M… | Best suited for hobbyists and professionals working in tight… more | |
|
Toolant Cobalt Drill Bit Set For Metal And Steel (pro), Titanium Aluminum Nit… | Ideal for professionals and serious DIYers looking for relia… more | |
|
Bosch Co14b 14-piece Assorted Set With Included Case – Cobalt M42 Metal Drill… | Best for professionals needing a durable set for heavy-duty… more | |
|
Sinyeenglon Cobalt Drill Bit Set For Hardened Metal And Stainless Steel, 99pc… | Perfect for professionals or dedicated DIYers needing a comp… more | |
|
Macxcoip Cobalt Drill Bit Set, 13pcs M35 High Speed Steel Jobber Length Drill… | Ideal for beginners or casual users needing an affordable an… more | |
|
Dewalt Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-piece (dw1361) | Best for both professionals and DIY enthusiasts seeking a re… more | |
|
Cobalt Drill Bit Set – 15pcs M35 Hss Twist Drill Bits, Straight Shank, Metal … | Ideal for hobbyists and casual users needing a budget-friend… more | |
|
Gmtools 15pcs Cobalt Drill Bit Set, M35 Hss, 135 Degree Tip, Twist Jobber Len… | Best for professionals and serious DIYers requiring a reliab… more | |
|
Efficere 8-piece Premium 1/2” Reduced Shank Silver And Deming Large Drill Bit… | Ideal for professionals needing a reliable set for large-dia… more | |
|
Delitongude 13pcs 1/16″-1/4″ Cobalt Twist Drill Bit Set, M35 Hss Drill Bits F… | Best for DIY enthusiasts and casual users needing an efficie… more |
Detailed Reviews
The following section presents the Top 10 best drill bits to drill hardened steel Reviews. Each product has been carefully evaluated, considering features, pricing, and user ratings. This analysis will help guide readers in selecting the right drill bits for their projects.
Nordwolf 5-piece M35 Cobalt Stubby Drill Bit Set For Stainless Steel & Hard M…
The NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set offers precision ground drill bits designed for stainless steel and hard metals. Priced at $20.99 and rated 4.5/5, this set features efficient stubby designs for tight spaces and a durable M35 cobalt construction for long-lasting performance.
Ideal for users needing to drill in confined areas, these stubby bits measure between 1.84 to 2.32 inches. Their 135° split point design ensures self-centering and fast drilling, making them perfect for tackling various hard metals, including titanium and cast iron.
Pros
- Stubby design allows access to tight spaces
- 135° split point for efficient self-centering
- Durable M35 cobalt steel enhances longevity
Cons
- Limited to five sizes may not meet all needs
- Lower quantity compared to larger sets
- More expensive than some basic sets
Perfect For:
Best suited for hobbyists and professionals working in tight spaces requiring precision drilling.
Toolant Cobalt Drill Bit Set For Metal And Steel (pro), Titanium Aluminum Nit…
The toolant Cobalt Drill Bit Set for Metal and Steel offers a comprehensive 21-piece collection for $38.24, boasting a 4.5/5 rating. This set features titanium aluminum nitride coated bits with bullet point tips, providing exceptional performance for drilling through hardened metals.
Designed for heavy-duty applications, this set includes various sizes ranging from 1/16 to 1/2 inches, perfect for diverse projects. The bullet point tips enhance accuracy, minimizing wandering during drilling and ensuring clean holes in hard materials.
Pros
- Titanium aluminum nitride coating improves heat resistance
- Bullet point tips enhance accuracy and performance
- Comprehensive 21-piece set covers various drilling needs
Cons
- Higher price point compared to basic sets
- May be overkill for casual DIY users
- Coating may wear over extensive use
Perfect For:
Ideal for professionals and serious DIYers looking for reliable and precise metal drilling solutions.
Bosch Co14b 14-piece Assorted Set With Included Case – Cobalt M42 Metal Drill…
The BOSCH CO14B 14-Piece Assorted Set features cobalt M42 metal drill bits designed for durability and high heat resistance. Priced at $39.29 with a 4.5/5 rating, this set includes a variety of sizes explicitly engineered for tough materials like stainless steel and titanium.
This set’s enhanced M42 alloy construction provides ten times the life of standard bits, making it a robust choice for demanding applications. The three-flat shank design ensures a secure grip, reducing slippage during operation.
Pros
- M42 alloy provides exceptional durability and longevity
- Three-flat shank design prevents slippage
- Versatile for various materials including cast iron
Cons
- Higher price point compared to simpler sets
- Limited sizes may not fit all projects
- May not suit casual users with light drilling needs
Perfect For:
Best for professionals needing a durable set for heavy-duty metal drilling tasks.
Sinyeenglon Cobalt Drill Bit Set For Hardened Metal And Stainless Steel, 99pc…
The Sinyeenglon Cobalt Drill Bit Set features 99 pieces of M35 high-speed steel bits, priced at $64.99 and rated 4.5/5. This extensive collection ensures users have the right size for various applications, especially in hardened metals.
The set’s hardened full grinding process increases wear resistance, making it suitable for demanding projects. With clear size markings for easy access, this set is perfect for both professionals and DIY enthusiasts requiring versatility and efficiency.
Pros
- 99 pieces offer extensive size options for varied tasks
- Full grinding process enhances durability and sharpness
- Convenient packaging with size markings facilitates organization
Cons
- Higher cost may deter casual users
- Large set may be unnecessary for simple projects
- Storage case may take up extra space
Perfect For:
Perfect for professionals or dedicated DIYers needing a comprehensive range of drill bits for metalworking.
Macxcoip Cobalt Drill Bit Set, 13pcs M35 High Speed Steel Jobber Length Drill…
The MACXCOIP Cobalt Drill Bit Set includes 13 pieces of M35 high-speed steel bits, offered at $8.53 with a 4.5/5 rating. This affordable set provides essential sizes for drilling into hardened metals and soft materials, making it a practical choice.
The M35 cobalt construction ensures robust performance, while the 135-degree design allows for quick cutting and prevents wandering. Ideal for various materials, this set is well-suited for casual users or those new to metalworking.
Pros
- Affordable price for a quality set
- 135-degree point design enhances cutting efficiency
- Versatile for both hard and soft materials
Cons
- Limited number of pieces may not meet all needs
- Lower durability compared to higher-end sets
- May struggle with heavy-duty applications
Perfect For:
Ideal for beginners or casual users needing an affordable and versatile drill bit set.
Dewalt Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-piece (dw1361)
The DEWALT Titanium Nitride Coated Drill Bit Set features 21 pieces, retailing at $37.99 with a 4.5/5 rating. This set is designed for durability, utilizing a pilot point design that starts on contact, ensuring cleaner holes in various materials.
The titanium nitride coating enhances the longevity of the bits, making them suitable for frequent use. With sizes ranging from 1/16-inch to 1/2-inch, this set meets diverse drilling needs in both metal and wood applications.
Pros
- Pilot point design allows for cleaner holes and reduced walking
- Titanium nitride coating improves lifespan
- Comprehensive size range for versatile applications
Cons
- Price may be higher than basic options
- Coating might wear down over time with heavy use
- Some users may prefer more specialized bits
Perfect For:
Best for both professionals and DIY enthusiasts seeking a reliable and durable drill bit set.
Cobalt Drill Bit Set – 15pcs M35 Hss Twist Drill Bits, Straight Shank, Metal …
The Cobalt Drill Bit Set includes 15 pieces made from M35 high-speed steel, priced at $12.99 and rated 4.5/5. This set offers excellent heat resistance and hardness, making it suitable for drilling through hardened metals and plastics.
The 135° split point design improves precision and reduces walking, ensuring effective drilling. The range of sizes from 1/16 to 3/8 inches makes this set versatile for various projects.
Pros
- M35 steel provides superior heat resistance
- Self-centering design enhances accuracy during drilling
- Affordable option for a quality drill bit set
Cons
- Limited to smaller sizes may not suit all tasks
- Durability may be less than premium options
- Not ideal for heavy-duty applications
Perfect For:
Ideal for hobbyists and casual users needing a budget-friendly drill bit set for various materials.
Gmtools 15pcs Cobalt Drill Bit Set, M35 Hss, 135 Degree Tip, Twist Jobber Len…
The GMTOOLS 15Pcs Cobalt Drill Bit Set features M35 HSS with a 135-degree tip, available for $16.99 and rated 4.5/5. This set is designed for cutting through hardened metals, cast iron, and wood, providing versatility in applications.
With its professional-grade features, including a gold oxide finish and fully ground spiral grooves, this set enhances performance. It includes a range of sizes to meet various drilling requirements efficiently.
Pros
- Gold oxide finish improves heat and wear resistance
- Fully ground design enhances accuracy and performance
- Versatile for cutting through various materials
Cons
- May not be as durable as higher-priced options
- Limited quantity of pieces may not cover all needs
- Storage case design may not be robust
Perfect For:
Best for professionals and serious DIYers requiring a reliable drill bit set for diverse applications.
Efficere 8-piece Premium 1/2” Reduced Shank Silver And Deming Large Drill Bit…
The EFFICERE 8-Piece Premium Reduced Shank Silver and Deming Drill Bit Set retails for $34.99 and holds a 4.5/5 rating. Made from M2 high-speed steel, this set is designed for large-diameter drilling in various materials, including metals.
The 135° split point design increases drilling speed and efficiency while preventing wobbling. This set includes a range of sizes from 9/16” to 1”, perfect for heavy-duty applications.
Pros
- Industrial-grade M2 steel ensures durability
- Fast drilling with self-centering design
- Compatible with standard drill presses for versatile use
Cons
- Limited to large sizes may not suit all tasks
- Higher price point compared to smaller bit sets
- May require specialized equipment for use
Perfect For:
Ideal for professionals needing a reliable set for large-diameter drilling tasks in metalworking.
Delitongude 13pcs 1/16″-1/4″ Cobalt Twist Drill Bit Set, M35 Hss Drill Bits F…
The DelitonGude 13Pcs Cobalt Twist Drill Bit Set is priced at $19.99 and rated 4.5/5. Made from M35 high-speed steel, this set provides essential sizes for drilling into steel, cast iron, and other hard metals.
Featuring sharp blades and a full-grinding nitriding process, these bits offer good wear resistance and efficient cutting. The variety of sizes ensures users can tackle a range of projects effectively.
Pros
- Sharp blades enhance drilling speed and efficiency
- Full-grinding process increases durability
- Wide range of sizes meets diverse needs
Cons
- Limited to 13 pieces may miss some sizes
- Durability may be less than premium options
- Not suitable for heavy-duty applications
Perfect For:
Best for DIY enthusiasts and casual users needing an efficient and versatile drill bit set.
Buying Guide
Before purchasing the best drill bits to drill hardened steel, several factors warrant consideration. These include material quality, size range, and intended use. Evaluating these aspects ensures that the right choice is made for specific drilling tasks.
Material Quality
The material quality of drill bits significantly impacts performance and durability. Cobalt and titanium coatings provide enhanced hardness and heat resistance, making them ideal for tough materials. Opting for high-quality materials ensures longevity and efficiency in drilling applications.
Size Range
A diverse size range is crucial for versatility in projects. Selecting a set that includes various sizes allows users to tackle different drilling tasks effectively. Ensure that the chosen set covers the most commonly needed sizes for the intended applications.
Intended Use
Understanding the primary use of the drill bits is essential for selecting the right product. Different tasks, such as metalworking or woodworking, may require specific features. Identifying the intended use helps narrow down options to those that best meet specific project requirements.
Frequently Asked Questions
What materials can the best drill bits for hardened steel handle?
The best drill bits for hardened steel can also handle stainless steel, cast iron, and titanium. Their specialized coatings improve performance in cutting through tough materials.
What is the price range for quality drill bits?
Quality drill bits typically range from $8 to $65. The price varies based on material, size range, and manufacturer.
What are key features to look for in drill bits?
Key features include the type of coating, size range, and point design. These factors significantly influence drilling efficiency and longevity.
Should beginners choose advanced drill bits?
Beginners may find basic drill bits sufficient for light tasks. Advanced bits are better suited for professionals or heavy-duty applications.
How should drill bits be maintained for durability?
Proper maintenance includes cleaning after use and storing them in a secure case. Regular inspection for wear can help extend their lifespan.
Conclusion
Selecting the best drill bits to drill hardened steel is essential for achieving effective results in metalworking. This guide highlights various options tailored to different needs. Choose wisely to ensure a successful project and optimal performance from your tools.
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