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Metal Drill Bits

10 Best Metal Drill Bits 2025 in the United States

#1

Winner

9.9 score

BOSCH MS4091 91-Piece Drilling and Driving Mixed Set with Included Case for Applications in Wood, Metal, Masonry

68%OFF

BOSCH MS4091 91-Piece Drilling and Driving Mixed Set with Included Case for Applications in Wood, Metal, Masonry

BOSCH

9.9 score

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The BOSCH MS4091 91-Piece Drilling and Driving Mixed Set offers a versatile collection of drill and driver bits suitable for a range of applications, including metal, wood, and masonry. This set is ideal for both home and workshop use, thanks to the wide variety of included bits and accessories.

#2
9.8 score

DEWALT Drill Bit Set, 21-Piece, 135 Degree Split Point, 31 Degree Helix, Black Oxide Coated, For Plastic, Wood and Metal (DWA1181)

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DEWALT Drill Bit Set, 21-Piece, 135 Degree Split Point, 31 Degree Helix, Black Oxide Coated, For Plastic, Wood and Metal (DWA1181)

DEWALT

9.8 score

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The DEWALT 21-Piece Drill Bit Set (DWA1181) is a versatile choice for those needing to drill through a variety of materials such as metal, wood, plastic, PVC, and fiberglass. Its black oxide coating is a notable feature, providing resistance against corrosion and enhancing the longevity of the bits. The 135-degree split point design ensures that the bits start drilling on contact, reducing the chances of slipping on hard surfaces, which is particularly useful for precision work.

Rating
9.8
Coating
Size
Point Angle

Most important from
4801 reviews

Coating
The black oxide coating provides added durability and a longer lifespan.
Size
The 1/2 inch drill bit fits my 3/8 drill because the large bits have reduced shanks.
Point Angle
The 135-degree split point design ensures precise starts, reducing the risk of bit walking.
Flute Design
The 31-degree helix helps with efficient chip removal, keeping the drilling process smooth and quick.
#3
9.6 score

DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

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DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

DEWALT

9.6 score

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The DEWALT Titanium Nitride Coated Drill Bit Set is a solid choice for anyone needing reliable drill bits for various materials, including metal, plastic, and wood. The set includes 21 pieces, ranging from 1/16-inch to 1/2-inch sizes, catering to a wide array of drilling tasks. One of its standout features is the Titanium Nitride coating, which enhances durability and extends the life of the bits, making them a great investment. The Pilot Point design allows for cleaner holes and starts on contact, reducing the chances of wandering, which can be particularly helpful for DIY enthusiasts and professionals alike.

Rating
9.6
Coating
Flute Design

Most important from
27802 reviews

Coating
The titanium coating makes the bits quite durable.
Flute Design
The Pilot Point design successfully prevents the drill bit from 'walking' when you first start drilling.

Top 10 Best Metal Drill Bits 2025 in the United States

Sponsored

Slide 1

Garvee

GARVEE Magnetic Drill Press, 1100W 550RPM Portable Mag Drill Press, Magnetic Core Drilling Machine for Metal Working,14Pcs Annular Cutters Drill Bits，Red

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#1

Winner

9.9 score

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BOSCH

BOSCH MS4091 91-Piece Drilling and Driving Mixed Set with Included Case for Applications in Wood, Metal, Masonry

Coating: Titanium
Size: Various
Flute Design: Split tips

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68% OFF

Chosen by 1222 this week

Sponsored

Slide 1

Garvee

GARVEE Magnetic Drill Press, 1100W 550RPM Portable Mag Drill Press, Magnetic Core Drilling Machine for Metal Working,14Pcs Annular Cutters Drill Bits，Red

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#2

9.8 score

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DEWALT

DEWALT Drill Bit Set, 21-Piece, 135 Degree Split Point, 31 Degree Helix, Black Oxide Coated, For Plastic, Wood and Metal (DWA1181)

Material: Blend
Coating: Black oxide
Size: 8.75 x 1.38 x 8.75 in
Point Angle: 135 Degrees
Flute Design: Parabolic

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33% OFF
#3

9.6 score

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DEWALT

DEWALT Titanium Nitride Coated Drill Bit Set, Pilot Point, 21-Piece (DW1361)

Material: Titanium Nitride
Coating: Titanium Nitride
Size: 1/16-inch to 1/2-inch
Point Angle: 135 Degrees
Flute Design: Spiral

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17% OFF
#4

9.3 score

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BOSCH

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

Material: Cobalt
Coating: Titanium
Size: 1/16” to 1/2”
Point Angle: 135 Degrees
Flute Design: thick web-helix

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#5

9.0 score

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Makita

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

Material: Stainless Steel
Coating: Titanium Nitride
Size: 14-Piece
Point Angle: 135 Degrees
Flute Design: Spiral

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#6

8.7 score

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Milwaukee

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

Material: Titanium, Plastic
Coating: Titanium
Size: 1/16” to 3/8”
Flute Design: Parabolic

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20% OFF
#7

8.4 score

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Milwaukee

Milwaukee 48-89-9212 Step Bit #12 7/8" - 1-3/8"

Material: Metal
Coating: Black Oxide
Size: 7/8" - 1-3/8"
Flute Design: Spiral

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#8

8.1 score

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DEWALT

DEWALT Titanium Nitride Drill Bit Set, 21-Piece (DW1342)

Material: Titanium
Coating: Titanium Nitride
Size: 21 piece
Flute Design: Spiral

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17% OFF
#9

7.8 score

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BOSCH

BOSCH TI9IM 9-Piece Assorted Set Titanium Nitride Coated Metal Drill Bits - Impact Tough with Impact-Rated Hex Shank Ideal for Heavy-Gauge Carbon Steels, Light Gauge Metal, Hardwood

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23% OFF
#10

7.5 score

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DEWALT

DEWALT Cobalt Alloy Steel Drill Bit Set with Pilot Point, 14-Piece (DWA1240)

Material: Cobalt Alloy Steel
Size: 8.75 x 1.74 x 8.75 inches
Point Angle: 135 Degrees

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40% OFF
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Buying Guide for the Best Metal Drill Bits

Choosing the right metal drill bit can make a significant difference in the quality and efficiency of your drilling projects. Metal drill bits are specifically designed to cut through metal surfaces, and selecting the right one involves understanding various specifications and how they align with your needs. Here are the key specifications to consider when picking metal drill bits and how to navigate them.
MaterialThe material of the drill bit is crucial because it determines the bit's durability and effectiveness in cutting through metal. Common materials include high-speed steel (HSS), cobalt, and carbide. HSS bits are suitable for general-purpose drilling and are more affordable. Cobalt bits are more durable and can handle harder metals, making them ideal for tougher jobs. Carbide bits are the hardest and most durable, perfect for heavy-duty and high-precision tasks. Choose HSS for light to moderate tasks, cobalt for tougher metals, and carbide for the most demanding applications.
CoatingCoatings on drill bits enhance their performance and longevity. Common coatings include black oxide, titanium, and diamond. Black oxide increases the bit's resistance to rust and wear, making it suitable for general use. Titanium coatings reduce friction and heat buildup, extending the bit's life and making it ideal for frequent use. Diamond coatings are the hardest and provide superior cutting performance, especially for very hard metals. For occasional use, black oxide is sufficient. For frequent drilling, titanium is a good choice, and for the hardest metals, diamond-coated bits are the best.
SizeThe size of the drill bit, including its diameter and length, determines the size of the hole you can drill and the depth you can reach. Drill bits come in various diameters, typically measured in millimeters or inches. Smaller diameters are suitable for precision work and smaller holes, while larger diameters are used for bigger holes. The length of the bit affects how deep you can drill. Choose the size based on the specific requirements of your project, ensuring the diameter matches the hole size you need and the length is sufficient for the depth you want to achieve.
Point AngleThe point angle of a drill bit affects how it cuts into the metal. Common point angles are 118 degrees and 135 degrees. A 118-degree point angle is standard and works well for softer metals, providing a good balance between cutting speed and control. A 135-degree point angle is flatter and more suitable for harder metals, offering better precision and reducing the risk of the bit wandering. For general-purpose drilling, a 118-degree angle is usually sufficient. For harder metals or more precise work, opt for a 135-degree angle.
Flute DesignThe flute design of a drill bit refers to the grooves that spiral up the bit, helping to remove chips and debris from the hole. Standard flutes are suitable for most drilling tasks, providing a good balance of chip removal and strength. Parabolic flutes are deeper and more efficient at removing chips, making them ideal for deeper holes and softer metals. For general use, standard flutes are adequate. If you are drilling deeper holes or working with softer metals, consider bits with parabolic flutes for better performance.

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