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10 Best Drill Bits 2025 in the United States

#1

Winner

10.0 score

IRWIN Tools Hanson Screw Extractor and Drill Bit Set, 35 Piece, 11135ZR

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IRWIN Tools Hanson Screw Extractor and Drill Bit Set, 35 Piece, 11135ZR

IRWIN

10.0 score

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The IRWIN Tools Hanson Screw Extractor and Drill Bit Set is a handy tool kit designed primarily for removing broken studs, bolts, socket screws, and fittings. It includes 35 pieces, making it suitable for a variety of extraction tasks, which is great for DIY enthusiasts and professionals alike. One of its standout features is the aggressive left-hand design that enhances gripping power, especially useful when the resistance increases. The easy-out spiral flutes are designed to embed themselves, further improving grip during tough extraction scenarios.

Rating
10.0
Chosen by1,344
Type

Most important from
2942 reviews

Type
Left-hand bits are invaluable for removing stuck screws, often breaking the bond and making extraction much easier.
#2
9.1 score

Milwaukee 48-89-9224 Step Bit 6-Piece Set (#1, 4, 6, 7, 8, 9)

Milwaukee 48-89-9224 Step Bit 6-Piece Set (#1, 4, 6, 7, 8, 9)

Milwaukee

9.1 score

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The Milwaukee 48-89-9224 Step Bit 6-Piece Set is a well-constructed option for both DIY enthusiasts and professionals who need versatile drilling solutions. The set includes six different sizes, which makes it suitable for various applications, from simple home projects to more complex tasks. One of its clear strengths is the use of alloy steel, providing durability that can withstand frequent use without significant wear. Additionally, the black oxide finish helps reduce friction and improves the longevity of the bits.

#3
8.5 score

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

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

Bosch

8.5 score

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The BOSCH CO14B 14-Piece Assorted Drill Bit Set is crafted from Cobalt M42, which makes it highly durable and heat-resistant. This material choice ensures that these drill bits can handle tough materials like stainless steel, cast iron, titanium, and light-gauge metals.

Rating
8.5
Material
Coating

Most important from
6674 reviews

Material
The M42 cobalt 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.
Coating
If you're going to use it more than a few times, it's worth upgrading from black oxide or coated bits for their great value.

Top 10 Best Drill Bits 2025 in the United States

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Slide 1

KAYGO

KAYGO M35 Step Drill Bit,3/16 to 1-1/8 inch Unibit Step Bit with Double Sprial Flute,1/4 -inch Hex Shank Drill Bit for Metal,Stainless Steel, Aluminum,Copper,Wood,PVC

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#1

Winner

10.0  score
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IRWIN

IRWIN Tools Hanson Screw Extractor and Drill Bit Set, 35 Piece, 11135ZR

Material: Cobalt Alloy Steel
Size: 35-Piece
Type: Spiral Flute Extractor Set
Shank Design: Spline

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Chosen by 1344 this week

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Slide 1

KAYGO

KAYGO M35 Step Drill Bit,3/16 to 1-1/8 inch Unibit Step Bit with Double Sprial Flute,1/4 -inch Hex Shank Drill Bit for Metal,Stainless Steel, Aluminum,Copper,Wood,PVC

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#2
9.1  score
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Milwaukee

Milwaukee 48-89-9224 Step Bit 6-Piece Set (#1, 4, 6, 7, 8, 9)

Material: Alloy Steel
Size: 1 x 7 x 10.73 inches
Type: Step Drill Bits
Coating: Black Oxide
Shank Design: Straight

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#3
8.5  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
Size: 1/16” to 1/2”
Coating: Titanium
Shank Design: 3-Flat

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#4
8.2  score
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DEWALT

DEWALT Drill Bit Set, 3-Flats Shank,14-Piece, 135 Degree Split Point, for Plastic, Wood and Metal (DWA1184)

Material: High Speed Steel
Type: Drill Bit Set
Coating: Black and Gold
Shank Design: 3-flats

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#5
8.2  score
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Milwaukee

Milwaukee 29 Pc. Cobalt Red Helix Metal Drill Bit Set

Material: Cobalt
Size: 29 Pc.
Coating: Black Oxide
Shank Design: Straight

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#6
7.9  score
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DEWALT

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

Material: Titanium Nitride
Size: 1/16-inch to 1/2-inch
Type: Drill Bit Set
Coating: Titanium Nitride
Shank Design: No-spin shanks

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#7
7.6  score
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DEWALT

DEWALT Screwdriver Bit Set, Impact Driver and Drill Bit Set, 100-Piece (DWA2FTS100)

Material: Metal
Size: One Size
Type: Screwdriver Bit Set / Drill Bit Set
Shank Design: Nutsetter drive system

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#8
7.3  score
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IRWIN

IRWIN Drill Bit Set, M35 Cobalt Alloy Steel Steel, 29-Piece (3018002)

Material: Cobalt
Size: 1/16 to 1/2 inch
Type: Drill Bit Set
Coating: Cobalt Alloy Steel
Shank Design: Straight

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#9
7.3  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
Size: 1/16” to 3/8”
Type: Drill Bit Set
Coating: Titanium
Shank Design: Hex

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#10
7.0  score
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Diablo

Diablo Metal Demon Drill Bit Set with Thermal Shield Protective Coating for Mild, Hardened and Stainless Steel - 29-Pieces Set - DMD-T29

Material: Blend
Size: One Size
Type: Metal Demon Drill Bit Set
Coating: Thermal Shield Coating
Shank Design: Straight

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Buying Guide for the Best Drill Bits

Choosing the right drill bit can make a significant difference in the efficiency and quality of your work. Whether you're a professional or a DIY enthusiast, understanding the key specifications of drill bits will help you select the best one for your needs. Consider the material, size, type, and coating of the drill bit to ensure it matches the task at hand. Here are the key specifications to look out for when selecting drill bits.
MaterialThe material of the drill bit determines its durability and the types of materials it can effectively drill through. Common materials include high-speed steel (HSS), cobalt, carbide, and titanium. HSS is suitable for general-purpose drilling in wood, plastic, and soft metals. Cobalt bits are more durable and can handle harder metals. Carbide bits are the hardest and are used for drilling through tough materials like stainless steel and masonry. Titanium-coated bits offer a balance of durability and cost-effectiveness. Choose the material based on the hardness of the material you will be drilling.
SizeDrill bit size refers to the diameter of the bit and is crucial for creating holes of the correct size. Sizes are typically measured in inches or millimeters. Smaller bits (1/16 to 1/4 inch) are used for precision work and smaller holes, while larger bits (over 1/4 inch) are used for bigger holes and heavy-duty tasks. Consider the size of the hole you need to create and ensure your drill can accommodate the bit size.
TypeThere are various types of drill bits designed for specific tasks. Twist bits are the most common and versatile, suitable for general-purpose drilling. Brad point bits are ideal for wood as they provide clean and precise holes. Masonry bits are designed for drilling into concrete, brick, and stone. Spade bits are used for larger holes in wood. For metal, you might use step bits or jobber bits. Choose the type based on the material you are drilling and the nature of the task.
CoatingCoatings on drill bits enhance their performance and longevity. Black oxide coating increases the bit's resistance to rust and wear. Titanium nitride (TiN) coating reduces friction and heat buildup, extending the bit's life. Diamond and carbide coatings are used for extremely hard materials. Consider the coating based on the frequency of use and the materials you will be drilling. Coated bits generally last longer and perform better under tough conditions.
Shank DesignThe shank is the part of the drill bit that fits into the drill. Common shank designs include round, hex, and SDS. Round shanks are standard and fit most drills. Hex shanks provide a better grip and are less likely to slip, making them ideal for high-torque applications. SDS shanks are used with hammer drills for masonry work. Choose the shank design that matches your drill and the type of work you will be doing.

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