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Drill Bits

Best Drill Bits

From leading brands and best sellers available on the web.
#1

Winner

BOSCH CO21B 21-Piece Assorted Set w

Bosch

BOSCH CO21B 21-Piece Assorted Set with Included Case Cobalt M42 Metal Drill Bit with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, Light-Gauge Metal, Aluminum

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#2
IRWIN Tools Hanson Screw Extractor

IRWIN

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

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#3
IRWIN Tools Hanson Machine Screw/Fr

IRWIN

IRWIN Tools Hanson Machine Screw/Fractional/Metric Tap and Hex Die and Drill Bit Deluxe Set, 117 Piece 26377, Silver/Blue

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#4
Cobalt Drill Bit Set - 115Pcs M35 H

SEDIANAS

Cobalt Drill Bit Set - 115Pcs M35 High Speed Steel Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics, with Metal Index Storage Box,1/16"-1/2", A-Z, #1-#60

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#5
BOSCH CO14B 14-Piece Cobalt Drill B

Bosch

BOSCH CO14B 14-Piece Cobalt Drill Bit Set with Included Case - M42 Metal Drill Bits with Three-Flat Shank for Drilling Applications in Stainless Steel, Cast Iron, Titanium, and Light-Gauge Metal

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#6
IRONANT Step Drill Bits, 5PCS HSS T

IRONANT

IRONANT Step Drill Bits, 5PCS HSS Titanium Step Drill Bit Set, 50 Sizes High Speed Steel Step Bits for Metal with Aluminum Case

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#7
Cobalt Drill Bit Set - 29Pcs M35 Hi

SEDIANAS

Cobalt Drill Bit Set - 29Pcs M35 High Speed Steel Twist Drill Bits for Hardened Metals, Stainless Steel, Cast Iron and Wooden Plastics with Metal Index Storage Box, 1/16"-1/2"

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#8
10-PCS Masonry Drill Bit Set & Conc

TITGGI

editor-choice-ribbon

10-PCS Masonry Drill Bit Set & Concrete Drill Bit Set, Professional Drill Bit Set for Glass/Brick/Plastic/Cement/Wood/Tile/Etc, Industrial Strength Carbide Drill Bit Tip, 1/8"-1/2" by TITGGI

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#9
Milwaukee Electric Tools 48-89-2332

Milwaukee

Milwaukee Electric Tools 48-89-2332 29Pc Cobalt Helix Drill Bit Set, Red

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#10
Milwaukee 48-89-9224 Step Bit 6-Pie

Milwaukee

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

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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.