Best Drill Bits For Drilling Metal (2024 Updated)

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If you're in need of drilling metal, then you know how frustrating it can be to use a low-quality drill bit that doesn't get the job done. That's why it's important to find the best drill bits for drilling metal. But with so many options available, it can be overwhelming to choose the right one. Here are 5 key points to consider when looking for the best drill bits for drilling metal.

1. Material: The material of the drill bit is essential to consider. High-speed steel (HSS) is a common material that works well for drilling metal. However, cobalt drill bits are a better choice for harder metals like stainless steel.

2. Coating: The coating of the drill bit can impact its performance. Look for drill bits with a coating like black oxide or titanium nitride, which can enhance the bit's durability and reduce heat buildup.

3. Size: The size of the drill bit is another crucial factor. Make sure to choose a bit that is the right size for the job. A larger bit will be more effective for bigger holes, but it may not work well for smaller holes.

4. Point angle: The point angle of the drill bit can play a role in its performance. A 135-degree point angle is ideal for drilling metal, as it can penetrate the metal more efficiently.

5. Brand reputation: It's essential to choose a reputable brand when looking for the best drill bits for drilling metal. Brands like DEWALT, Milwaukee, and Bosch are known for their high-quality drill bits.

In summary, when looking for the best drill bits for drilling metal, consider the material, coating, size, point angle, and brand reputation. By keeping these factors in mind, you can find a drill bit that will get the job done efficiently and effectively.

10 Best Drill Bits For Drilling Metal

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1. 17pcs M35 Hss Cobalt Drill Bit Set (1/16-1/2 Inch) For Stainless Steel, Hard Metal, Cast Iron, Plastic, And Wood.

The STROTON Cobalt Drill Bit Set is a high-quality, professional-grade tool designed for use in a wide range of drilling applications. Made from premium 6% cobalt steel, these drill bits are incredibly hard and resistant to wear and chips, ensuring a long tool life.

With a rockwell hardness scale rating of 69 HRC, the cobalt steel used in these drill bits is among the best available for heat resistance and durability. The cutting edge of the drill bits has been ground three times, ensuring a sharp, precise cutting edge that is ideal for drilling through even the toughest materials.

The STROTON Cobalt Drill Bit Set is designed specifically for use in drilling through stainless steel, hardened steel, iron, aluminum, pipes, wood, PVC, and plastics. These heavy-duty drill bits are typically capable of running two to three times faster than other types of drill bits, making them highly efficient and cost-effective.

Despite the higher price of cobalt drill bits, the cost per hole is often much lower than other types of drill bits, since they are able to produce so many more holes before needing to be replaced. The sharp, efficient cutting edge of these drill bits cuts through metal materials quickly and cleanly, producing long strips of iron chips instead of slowly grinding through the material with a blunt drill bit.

This 17-piece cobalt industrial HSS drill bit kit includes a wide range of sizes, from 1/16 inch to 1/2 inch, making it ideal for a variety of drilling applications. The kit includes 2 pieces each of 1/16 inch, 3/32 inch, and 1/8 inch drill bits, as well as single pieces of 5/64 inch, 7/64 inch, 9/64 inch, 5/32 inch, 3/16 inch, 7/32 inch, 1/4 inch, 5/16 inch, 3/8 inch, and 1/2 inch drill bits.

Overall, the STROTON Cobalt Drill Bit Set is an excellent choice for anyone in need of a high-quality, professional-grade drill bit set. With its durable construction, efficient cutting edge, and wide range of sizes, this set is sure to provide reliable performance for a wide range of drilling applications.

2. Hiltex 10005 Jumbo Silver & Deming Drill Bit Set – 8 Piece, 1/2" Shank, 9/16” To 1" Sizes, For Steel And Metal Drilling.

The HILTEX 10005 Jumbo Silver & Deming Drill Bit Set is a must-have for any industrial or DIY project that requires precision drilling. This 8-piece set includes large drill bits ranging from 9/16” to 1" in size, making it perfect for drilling through a variety of materials, including plastic, copper, and stainless steel.

Made from high-speed stainless steel, these metal drill bits for steel are designed to deliver sharp and fast execution in any material, ensuring clean and precise results. Additionally, the heat-treated carbon steel with a black enamel coating makes these bits durable and able to withstand heavy-duty operation for a long tool life.

The precision drilling set features a 135-degree split point geometry, which allows for quick self-centering penetration and an accurate start that prevents walking and clears chips and particles faster. The tri-flat on the shanks of the drills are constructed for tighter chucking, maximizing security for precise holes. This pattern also allows the bits to fit securely into your power tools, helping to eliminate slippage.

The drill press bits are designed to ensure maximum security and precision when drilling. The complete set of 8 pieces comes in a convenient storage case for easy storage and portability. This ensures that the bits are always organized and easily accessible when needed. The sizes included in the set are 1/2" Shank x 9/16" Drill Bit, 5/8" Drill Bit, 11/16" Drill Bit, 3/4" Drill Bit, 13/16" Drill Bit, 7/8" Drill Bit, 15/16" Drill Bit, and 1" Drill Bit.

In summary, the HILTEX 10005 Jumbo Silver & Deming Drill Bit Set is a high-quality and versatile set of drill bits that are essential for any industrial or DIY project that requires precision drilling. The set includes a range of large drill bits that are made from high-speed stainless steel and are built to withstand heavy-duty operation. The precision drilling set features a 135-degree split point geometry, which ensures accurate and precise drilling, while the tri-flat on the shanks of the drills allows for maximum security and minimal slippage. The convenient storage case makes it easy to organize and transport the set, ensuring that the bits are always accessible when needed.

3. Neiko 10173a 5-Piece Sae Step Drill Bit Set For Metal And Wood With Titanium Coating, Spiral Grooves For Faster Drilling, 50 Total Step Sizes.

The NEIKO 10173A Step Drill Bit Set for Metal and Wood is a premium set of drill bits that are designed to make drilling holes in a variety of materials easy and efficient. The set includes five step bits with a total of 50 step sizes, ranging from 1/8” to 1-3/8”. Each unibit is constructed of industrial high-speed steel with a titanium nitride coating for durability and strength.

One of the key benefits of the NEIKO 10173A Step Drill Bit Set is its ability to drill clean holes in a variety of materials, including plastic, aluminum, wood, copper, stainless steel, and other types of sheet metal. The split point tip design of the bit accelerates the cutting speed while preventing angled walking away from the center line of bore, making drilling into metal fast, efficient, and clean.

The spiral grooved design of the two-flute bit deburrs chip, dust, and debris for clearance and smooth cutting. This design ensures that each hole made with these step bits will be precise, regardless of the material being drilled. Additionally, the 1/4-inch hex shank makes for easy, convenient, and quick stepper bit switches and is compatible with impact ready power tools.

Overall, the NEIKO 10173A Step Drill Bit Set for Metal and Wood is a high-quality set of drill bits that are perfect for anyone who frequently works with a variety of materials. The set's durable construction, combined with its ability to drill clean and precise holes, make it an essential tool for any DIY enthusiast or professional tradesperson.

4. Zelcan Large Hss Step Drill Bit Set, 12 Sizes Titanium High Speed Steel For Sheet Aluminium Metal Wood Hole Drilling, Multiple Hole Stepped Up Bit For Diy.

The ZELCAN Large HSS Spiral Groove Step Drill Bit is a highly durable and efficient tool for drilling holes in a variety of materials. Made from upgraded high speed steel, this drill bit boasts well-balanced toughness, wear resistance and red hardness properties, which contribute to its better and faster hole-drilling performance. To further enhance its durability, the bit is coated with titanium, which ensures that it can last for years with uncompromised quality.

One of the standout features of this drill bit is its dual-flute design, which prevents metal fillings from flying around and clears chips faster, allowing it to drill more smoothly without heating up. This jam-free performance is a huge benefit for anyone who needs to drill multiple holes in a short amount of time.

Another advantage of this drill bit is its larger size, which allows it to drill holes with larger dimensions up to 2-3/8". This makes it ideal for use in a range of applications, including sheet aluminium metal and wood hole drilling.

In terms of compatibility, the ZELCAN Large HSS Spiral Groove Step Drill Bit is a versatile tool that can be used on a variety of materials. Its rapid strike tip drills twice as fast as the average step drills and can drill acrylic, PVC, wood, aluminum and iron sheets up to 0.2’’ in thickness.

Perhaps one of the biggest advantages of this drill bit is its ability to offer multiple hole sizes in a single tool. The bit comes with 12 hole sizes: 6mm, 10mm, 15mm, 20mm, 25mm, 30mm, 35mm, 40mm, 45mm, 50mm, 55mm, 60mm. This saves users time and effort by eliminating the need to switch between different bits, quadrupling drilling efficiency compared to competition.

Overall, the ZELCAN Large HSS Spiral Groove Step Drill Bit is an excellent choice for DIY enthusiasts and professionals alike. Its combination of durability, efficiency, and versatility make it a must-have tool for any toolbox.

5. Avid Power 100pcs Drill Bit Set For Metal, Wood, And Masonry With Titanium And High-Speed Steel, And Storage Case.

The AVID POWER Drill Bit Set is a comprehensive collection of 100 different drill bits, designed to tackle a wide range of projects with ease. Whether you are working with metal, wood, masonry, or plastic, this set has the right drill bit for the job.

Made from high-speed steel with a titanium coating, these drill bits are designed to run cooler and last longer than standard drill bits. The size and dimensions of each drill bit are clearly marked on the drilling surface for easy identification, making it easy to find the right bit for the job.

The AVID POWER Drill Bit Set includes 14 HSS drill bits, 9 wood drill bits, 9 masonry drill bits, and 56 screwdriver bits, as well as other tool accessories such as spade drill bits, hole saws, nut driver bits, countersinks, and screwdriver bit holders. This makes it a complete, all-inclusive drill bit kit that is perfect for household and furniture repair.

To keep everything well-organized, the AVID POWER Drill Bit Set comes with a storage case that makes it easy to carry and access your drill bits. Each drill slot is engraved with the correct dimensions for quick identification, which helps you avoid clutter and confusion when working on your projects.

Overall, the AVID POWER Drill Bit Set is a versatile and durable collection of drill bits that offers all-in-one convenience for a wide range of projects. With its long life and added durability, you can be sure that this drill bit set will provide you with the quality and performance you need for years to come.

6. Chicago Latrobe 57727 118-Pc Metric Hss Drill Bit Set W/ Metal Case, Black Oxide, 118° Conventional Point, 1.0mm-13.0mm In 0.1mm Increments.

The Chicago Latrobe 57727 150 Series High-Speed Steel Jobber Length Drill Bit Set with Metal Case is a comprehensive collection of drill bits that offer exceptional quality and durability. The set includes 118 jobber length drill bits, ranging from metric sizes 1.0 through 13.0 mm in 0.1 mm increments, making it a versatile tool for a wide range of drilling applications.

Made in the USA, the drill bits are constructed from high-speed steel (HSS), a material that provides excellent hardness for wear resistance. This ensures that the bits will last longer and perform better than standard drill bits, making them ideal for heavy-duty drilling tasks.

The black oxide finish on the drill bits helps to reduce wear while promoting chip and coolant flow on ferrous material. This makes it easier to drill through tough materials such as steel, iron, and other ferrous metals. The finish also provides a sleek and professional appearance to the drill bits.

The 118-degree conventional point on the drill bits allows for a wide range of drilling applications. This point angle provides a good balance between the ability to drill through hard materials and the ability to drill through softer materials without breaking the drill bit.

The drill bits in this set conform to the DIN 338 standard, ensuring that they meet the highest quality standards. This standard specifies the dimensions, tolerances, and materials required for twist drill bits, ensuring that they are suitable for use in a wide range of industrial and commercial applications.

The drill bit set comes in a sturdy metal case that allows for easy storage and transportation. The case also provides protection for the drill bits, ensuring that they remain in excellent condition over time.

In conclusion, the Chicago Latrobe 57727 150 Series High-Speed Steel Jobber Length Drill Bit Set with Metal Case is a high-quality and versatile tool that is ideal for a wide range of drilling applications. With its exceptional durability, wear resistance, and precision, this drill bit set is a must-have for any professional or DIY enthusiast who demands the best.

7. Chicago Latrobe 550 Cobalt Steel Metric Drill Bit Set With Metal Case – 25 Pieces, 1.0mm To 13.0mm (0.5mm Increments), 135° Split Point, Gold Oxide Finish.

The Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case is a high-quality and reliable tool set designed for industrial and professional use. This set includes 25 jobber length drill bits with metric sizes ranging from 1.0mm to 13.0mm in 0.5mm increments, providing users with a comprehensive range of sizes for various drilling applications.

Constructed from cobalt steel, these drill bits offer superior durability and extended tool life compared to traditional high-speed steel drill bits. Cobalt steel is known for its ability to withstand high temperatures and resist wear and tear, making it an ideal material for drilling hard and abrasive materials.

The Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set features a gold oxide finish that provides lubrication and wear resistance when drilling on ferrous materials. This finish helps to reduce friction and heat during the drilling process, preventing premature wear and tear on the drill bits and ensuring that they last longer.

The self-centering 135-degree split point on these drill bits allows them to penetrate hard materials without the need for a pilot hole. This feature produces small chips that help to reduce clogging and improve drilling efficiency. Additionally, the drill bits conform to DIN 338 standard overall length and flute length specifications, ensuring their compatibility with a wide range of drilling machines and equipment.

This drill bit set comes with a durable metal case that provides secure storage and easy portability. The case is designed to protect the drill bits from damage and keep them organized, making it easy to find the right size for any drilling job. The Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set is made in the USA, ensuring its quality and reliability.

Overall, the Chicago Latrobe 550 Series Cobalt Steel Jobber Length Drill Bit Set with Metal Case is a versatile and durable tool set that is ideal for industrial and professional use. With its comprehensive range of sizes, superior construction materials, and advanced features, this drill bit set is sure to provide users with the precision and efficiency they need to get the job done right.

8. 112-Piece Drill And Screwdriver Bit Set With Tough Case For Wood, Metal, And Cement Drilling And Screw Driving.

The ENERTWIST Drill Bit Set is a comprehensive 112-piece kit designed for drilling and fastening applications on wood, metal, masonry, and more. This all-in-one convenience set includes a wide variety of drill bits and driver bits, as well as kinds of sockets and bit holders to help with different drilling and fastening tasks.

The set features a 1/4" hex drill and driver bit that fits well for quick and easy bit changes and prevents drill bit spin-out. It is compatible with 1/4 inch impact drivers, screwdrivers/screw guns, and 3/8 inches or 1/2 inches drill/drivers. The screwdriver bit set included in the kit features designs and higher-grade material that minimize damage to the screw head and provide better bit-gripping power. Drill bits made from superior HSS material are titanium-coated for long-lasting strength and durability.

The set comes with a tough transparency case for secure storage, easy access, organizing, and portability. The case features sponge cushion between the upper and lower halves to keep the bits from getting scattered around everywhere after repeated use.

The full impact drill bit kit set includes 18 titanium drill bits, 5 masonry drill bits, 3 spade drill bits, 8 nut drivers, 56 1” bits, 15 2” bits, 3 magnetic bit holders, 1 quick-release magnetic holder, 1 countersink, 1 socket adapter, and 1 pry bar.

ENERTWIST provides worry-free warranty, ensuring that customers are satisfied with their purchase. The ENERTWIST Drill Bit Set is a premium high-quality set that is portable and well-storaged, making it the perfect tool for any drilling and fastening applications.

9. 5pcs Titanium Step Drill Bit Set With Center Punch And Aluminum Case, Ideal For Sheet Metal And Diy Projects.

The ZELCAN HSS 5PCS Titanium Step Drill Bit Set is a must-have for DIY enthusiasts and professionals alike. Constructed from high-speed steel, these drill bits are designed to withstand extreme temperatures and provide longer cutting edge life. Moreover, the titanium coating on the drill bits ensures excellent heat, corrosion, and rust resistance, making them durable and long-lasting.

The set includes an automatic center punch that delivers an automatic, high-impact, spring-loaded strike when pressed against the surface. The adjustable cap regulates striking force, providing the user with greater control over the drilling process.

The set comprises five standard step drill bits that can replace 50 individual drill bits, making it a versatile tool that can handle multiple drilling tasks. The bits are perfect for home repairs and light jobs, such as drilling holes in plastic, aluminum, copper, and many other types of sheet metal.

The ZELCAN HSS 5PCS Titanium Step Drill Bit Set comes in a sturdy aluminum case that keeps the bits organized and easily accessible. The case is compact and lightweight, making it easy to carry around, making it ideal for people who need to work on the go.

In conclusion, the ZELCAN HSS 5PCS Titanium Step Drill Bit Set is an excellent investment for anyone who needs a durable and versatile set of drill bits. Whether you're a DIY enthusiast or a professional, this set is sure to meet your needs and exceed your expectations.

10. Ttp Hard Drills Cobalt Drill Set For Metal | 29 Piece Set For Drilling Harder Metals | Sizes 1/16” – 1/2” | Long Life | Ideal For Chrome And Stainless Steel.

The Cobalt Drill Set for Metal by TTP HARD drills is a high-quality option for those looking to easily drill through harder metals. With 29 pieces ranging from 1/16” to 1/2” x 1/64”, this drill bit set has added cobalt for increased durability and longevity.

One of the standout features of this drill set is its ability to drill through stainless steel with ease. This is due to the high temperature resistance and effective performance at lower speeds. Locksmiths in particular will appreciate the efficiency and ease of use of this drill set for their work.

The cobalt coating of these drill bits also adds an extra layer of strength and durability, making them ideal for drilling through materials such as chrome and other hard metals. This coating also helps to reduce heat build-up during use, increasing the lifespan of the drill bits.

Overall, the Cobalt Drill Set for Metal by TTP HARD drills is a reliable and effective option for those in need of a high-quality drill set for hard metals. With its easy-to-use design and added cobalt for increased durability, this drill set is sure to be a valuable addition to any toolbox.

Best Drill Bits For Drilling Metal FAQs

Can I use regular drill bits for metal drilling, or do I need specialized bits designed specifically for the task?

Specialized drill bits designed for metal drilling are recommended for best results. These bits are made from high-speed steel (HSS) or cobalt, which are more resistant to heat and wear than regular drill bits. HSS bits are suitable for drilling through softer metals like aluminum and brass, while cobalt bits are better for harder metals like stainless steel and cast iron.

Using regular drill bits for metal drilling can result in dulling or breaking of the bits, and may also cause damage to your drilling equipment. The incorrect type of bit can also cause the metal to overheat, warp, or crack.

In summary, while regular drill bits can technically be used for metal drilling, it is recommended to invest in specialized bits for optimal results and to avoid potential damage or safety hazards.

How do I choose the right drill bit size for drilling holes in metal?

The right drill bit size for drilling holes in metal depends on the type of metal and the size of the hole required. For softer metals like aluminum or brass, a larger bit size can be used. Harder metals like stainless steel or cast iron require smaller bit sizes.

The size of the hole needed will also determine the drill bit size. For example, if a 1/4 inch hole is required, a 1/4 inch drill bit should be used. It's important to select the right size as using a smaller bit can cause the bit to break and using a larger bit can damage the material.

It's recommended to use a drill bit chart or calculator to determine the appropriate bit size for the specific metal and hole size needed. Additionally, using a lubricant while drilling can help prolong the life of the bit and prevent damage to the material.

What are the best types of drill bits for drilling through hard metals like stainless steel?

When it comes to drilling through hard metals like stainless steel, using the right type of drill bit is crucial. The best types of drill bits for this purpose are cobalt drill bits and carbide drill bits. Cobalt drill bits are made of a high-speed steel alloy with added cobalt, which makes them extremely durable and able to withstand high temperatures. They are ideal for drilling through hard metals like stainless steel, as well as other materials like cast iron and titanium. Carbide drill bits, on the other hand, are made of tungsten carbide and are even more durable than cobalt drill bits. They are ideal for drilling through extremely hard materials like hardened steel and ceramics. When selecting a drill bit for drilling through hard metals, it is important to consider the material being drilled, as well as the size and type of hole needed.

What makes a drill bit suitable for drilling through tough metals like titanium or hardened steel?

Drilling through tough metals like titanium or hardened steel requires a drill bit that can withstand high temperatures and maintain its sharpness. The key factors that make a drill bit suitable for drilling through these materials are the material of the drill bit, the coating, and the point angle.

The material of the drill bit should be made of high-speed steel (HSS) or cobalt steel. HSS is the most common material used in drill bits and is suitable for drilling through most metals. Cobalt steel is a harder and more durable material that is suitable for drilling through tougher materials like titanium or hardened steel.

A coating on the drill bit can also improve its performance. Titanium nitride (TiN) is a common coating used on drill bits that improves their hardness, wear resistance, and lubricity.

The point angle of the drill bit is also important. A smaller point angle of around 135 degrees is suitable for drilling through tough metals as it reduces the amount of pressure required and generates less heat.

In summary, a drill bit suitable for drilling through tough metals like titanium or hardened steel should be made of HSS or cobalt steel, have a TiN coating, and a smaller point angle of around 135 degrees.

Which brand of drill bits is known for producing high-quality bits for metal drilling?

There are several brands of drill bits that are known for producing high-quality bits for metal drilling. One of the leading brands is DEWALT, which is known for its durable and long-lasting drill bits. The DEWALT drill bits are made from high-speed steel, which makes them ideal for drilling through tough materials like metal. They also come with a precision-ground tip that helps to reduce walking and increase accuracy.

Another brand that is known for producing high-quality drill bits for metal drilling is Bosch. Bosch drill bits are made from high-speed steel and feature a precision-ground tip that helps to reduce walking and increase accuracy. They also feature a 135-degree split point design that helps to prevent slipping and makes them ideal for drilling through hard materials like metal.

Other brands that are known for producing high-quality drill bits for metal drilling include Irwin Tools, Milwaukee, and Makita. When choosing a brand of drill bits for metal drilling, it is important to consider factors such as the type of material you will be drilling, the size of the drill bit, and the quality of the bit's construction.

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