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10 Best Drill Bit Sets 2025 in the United States

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Our Top Picks

#1

Winner

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

Rating
9.8
Chosen by1,234
Material
Intended Use

Most important from
6332 reviews

Material
The M42 cobalt construction keeps the drill from getting too hot and acts as a lubricant, maintaining a sharp cutting edge and reducing the need for resharpening or replacement.
Intended Use
This set is highly durable, with bits that remain sharp and unbroken even after multiple uses in a blacksmith shop, handling soft steel of various thicknesses.

The BOSCH CO14B 14-Piece Assorted Set is a solid choice for anyone looking to tackle a range of drilling projects, particularly in tougher materials like stainless steel, cast iron, and titanium. One of the standout features is the M42 cobalt construction, which offers enhanced durability and heat resistance, making these bits last significantly longer than standard options. The inclusion of a three-flat shank design helps to prevent slipping, which is especially useful when drilling into hard surfaces. With sizes ranging from 1/16" to 1/2", this set caters to various drilling needs, allowing for versatility in both home and professional environments.

The cobalt material and titanium finish provide excellent performance, but they may not be necessary for casual DIY users who primarily work with softer materials like wood or plastic. For these users, investing in a more basic set might be more cost-effective. Additionally, some users may find the bits to be more expensive compared to other standard drill sets, which could be a consideration for budget-conscious buyers.

The BOSCH CO14B set excels in demanding applications and is ideal for professionals or serious hobbyists who need reliable drill bits for challenging tasks. Those with only light drilling needs may not fully utilize the advantages these bits offer.

Rating
9.8
Chosen by1,234
Material
Intended Use

Most important from
6332 reviews

Material
The M42 cobalt construction keeps the drill from getting too hot and acts as a lubricant, maintaining a sharp cutting edge and reducing the need for resharpening or replacement.
Intended Use
This set is highly durable, with bits that remain sharp and unbroken even after multiple uses in a blacksmith shop, handling soft steel of various thicknesses.
#2

Makita B-65399 Impact Gold 14 Pc. Titanium Drill Bit Set, 1/4 In. Hex Shank

Rating
9.6
Material
Size Range
Coating

Most important from
6245 reviews

Material
Drills through iron sheet metal with ease, showing impressive strength and versatility.
Size Range
While smaller sizes can break if abused, they perform excellently for low precision wood drilling.
Coating
Maintains sharpness over time, delivering clean and precise holes in wood.
Intended Use
Ideal for carrying light, the bits work well with an impact driver, making them handy for quick tasks.

The Makita B-65399 Impact Gold 14 Pc. Titanium Drill Bit Set is a versatile choice for those who need to drill through various materials such as ferrous metal, wood, plastic, non-ferrous metal, cast iron, and stainless steel. These drill bits are made from stainless steel and come with a titanium nitride (TiN) coating, which significantly enhances the durability by allowing them to last 2.5 times longer than non-coated bits. This makes them a robust option for frequent use in tough materials.

The set includes 14 pieces with a size range from 1/16 to 1/2 inches, catering to a wide range of drilling needs. The 135-degree split point geometry helps in faster starts and reduces bit walking, ensuring precise drilling. Moreover, the hex shank design is specifically rated for use in 1/4 inch hex impact drivers, providing secure bit retention and reducing the risk of slippage during use.

However, it is important to note that the manufacturer does not provide a warranty for this product, which might be a concern for some users. Also, while the titanium nitride coating adds durability, it may still wear off over time with extensive use in hard materials. Despite these minor drawbacks, the set remains a reliable option for both DIY enthusiasts and professionals.

Rating
9.6
Material
Size Range
Coating

Most important from
6245 reviews

Material
Drills through iron sheet metal with ease, showing impressive strength and versatility.
Size Range
While smaller sizes can break if abused, they perform excellently for low precision wood drilling.
Coating
Maintains sharpness over time, delivering clean and precise holes in wood.
Intended Use
Ideal for carrying light, the bits work well with an impact driver, making them handy for quick tasks.
#3

Milwaukee 48-89-4680 18-Piece Shockwave Impact Duty Thunderbolt Titanium Drill Bit Set w/Anti-Walking 135 Degree Angled Tip and Storage Case

Rating
9.4
Intended Use

Most important from
615 reviews

Intended Use
Perfect for general use around the house and light-duty tasks, offering great quality at a fantastic deal.

The Milwaukee 48-89-4680 18-Piece Shockwave Impact Duty Thunderbolt Titanium Drill Bit Set is designed for those who frequently engage in heavy-duty drilling tasks. One of its standout features is the titanium coating, which helps reduce heat and minimizes warping during rapid use, making it safer for extended applications. The unique Shockwave geometry is engineered to withstand high torque applications, ensuring durability and longevity for demanding jobs. Additionally, the parabolic flute design aids in chip clearing, which can enhance drilling speed and efficiency by reducing friction and heat buildup.

This set includes a wide variety of bit sizes, making it versatile enough for many different projects, from small to larger-scale tasks. The robust plastic storage case is also a significant plus, featuring a slide lock system that keeps bits secure and organized, whether you're transporting them or storing them in your tool kit.

While the titanium coating is beneficial, it may not be as effective against wear as some premium materials over extensive use. Users looking for specific specialty bits might find that this set, while comprehensive, doesn't cover every possible need. Moreover, for those new to drilling, the variety of sizes may be overwhelming if you’re unsure which bits to choose for certain tasks.

Rating
9.4
Intended Use

Most important from
615 reviews

Intended Use
Perfect for general use around the house and light-duty tasks, offering great quality at a fantastic deal.

Buying Guide for the Best Drill Bit Sets

Choosing the right drill bit set can make a significant difference in the efficiency and quality of your work. Whether you're a professional tradesperson or a DIY enthusiast, understanding the key specifications of drill bit sets will help you select the best one for your needs. Consider the material, size range, coating, and intended use to ensure you get the most suitable set for your projects.
MaterialThe material of the drill bits determines their durability and the types of materials they can drill through. Common materials include high-speed steel (HSS), cobalt, and carbide. HSS bits are versatile and suitable for wood, plastic, and soft metals. Cobalt bits are more durable and can handle harder metals like stainless steel. Carbide bits are the hardest and can drill through the toughest materials, including masonry and tile. Choose the material based on the primary materials you will be drilling.
Size RangeDrill bit sets come with a variety of bit sizes, typically measured in inches or millimeters. The size range indicates the smallest and largest bit in the set. A wider size range offers more versatility for different drilling tasks. For general household use, a set with common sizes (e.g., 1/16 to 1/2 inch) is usually sufficient. For specialized tasks, such as fine woodworking or metalworking, you may need a set with more specific sizes. Consider the types of projects you will be working on to determine the appropriate size range.
CoatingThe coating on drill bits can enhance their performance and longevity. Common coatings include black oxide, titanium, and diamond. Black oxide coating provides corrosion resistance and reduces friction, making it suitable for general-purpose drilling. Titanium coating increases the hardness and heat resistance of the bits, making them last longer and perform better in tougher materials. Diamond coating is used for drilling very hard materials like glass and tile. Choose a coating based on the frequency of use and the materials you will be drilling.
Intended UseDifferent drill bit sets are designed for specific applications, such as wood, metal, masonry, or multi-purpose use. Wood drill bits typically have a brad point for precise drilling, while metal drill bits have a split point to prevent walking. Masonry bits have a carbide tip for drilling into concrete and brick. Multi-purpose sets include a variety of bits for different materials. Consider the primary materials you will be working with and choose a set designed for those applications to ensure optimal performance.

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