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5 Best Metalworking Drill Bit Sets

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DEWALT DWA1240

Main Features

  • 14-piece cobalt drill bit set
  • Pilot point tip for clean starts
  • Heat-resistant cobalt alloy construction
  • Includes tough storage case
  • Engineered for hard metals

Product Overview

The DEWALT DWA1240 Cobalt Drill Bit Set is designed for professionals and serious DIYers who frequently work with hard metals. Each bit is constructed from industrial-grade cobalt alloy, offering exceptional durability and heat resistance.

The pilot point tip design ensures accurate starts and minimizes bit walking, making it easier to achieve clean, precise holes every time.This 14-piece set covers a wide range of sizes, making it suitable for various metalworking applications.

The included tough case keeps the bits organized and protected, ensuring longevity and easy access. Whether you're drilling into stainless steel, cast iron, or other hard metals, this set delivers reliable performance and extended bit life.

PROS
  • Excellent for hard metals
  • Long-lasting durability
  • Reduces bit walking
  • Organized storage case
CONS
  • Higher price point
  • Limited to 14 sizes

Product Specifications

  • Material Cobalt Alloy Steel
  • Number of Pieces 14
  • Sizes 1/16" to 3/8"
  • Case Included Yes
  • Tip Style Pilot Point

Main Features

  • 29-piece titanium nitride coated set
  • 135-degree split point for accuracy
  • Size index for easy selection
  • Durable storage case
  • Ideal for metal drilling

Product Overview

The IRWIN 3018002 Titanium Nitride Coated Drill Bit Set is a comprehensive solution for those who need a broad selection of drill bit sizes for metalworking. The titanium nitride coating increases the hardness of each bit, providing greater wear resistance and longer life compared to standard high-speed steel bits.

This 29-piece set includes sizes from 1/16-inch to 1/2-inch in 1/64-inch increments, making it ideal for precision work. The included case features a size index for quick identification and organization.

The 135-degree split point design reduces walking and allows for faster, more accurate drilling, especially in metal applications.

PROS
  • Wide range of sizes
  • Long-lasting coating
  • Reduces bit walking
  • Easy organization
CONS
  • Coating may wear off with heavy use
  • Not as durable as cobalt for hardest metals

Product Specifications

  • Material High-Speed Steel with Titanium Nitride Coating
  • Number of Pieces 29
  • Sizes 1/16" to 1/2" (by 1/64" increments)
  • Case Included Yes
  • Tip Style Split Point

Main Features

  • 21-piece M42 cobalt alloy set
  • Split point tip for accuracy
  • Heat and wear resistant
  • Compact storage case
  • Engineered for hard metals

Product Overview

The Bosch CO21 Cobalt Drill Bit Set is crafted for users who frequently drill into tough metals such as stainless steel and cast iron. Each bit is made from M42 cobalt alloy, which provides superior heat resistance and durability, ensuring a longer lifespan even under heavy use.

The 21-piece set covers a broad range of common sizes, and the split point tip design minimizes walking and allows for faster penetration. The included case is compact and sturdy, keeping your bits organized and protected.

This set is a reliable choice for both professionals and hobbyists tackling challenging metalworking projects.

PROS
  • Excellent for hard metals
  • Long bit life
  • Minimizes walking
  • Sturdy case
CONS
  • Higher cost
  • Not as many sizes as larger sets

Product Specifications

  • Material M42 Cobalt Alloy
  • Number of Pieces 21
  • Sizes 1/16" to 13/32"
  • Case Included Yes
  • Tip Style Split Point

Main Features

  • 14-piece black oxide coated set
  • Optimized for impact drivers
  • 135-degree split point tip
  • Corrosion-resistant finish
  • Durable storage case

Product Overview

Makita's B-65399 Impact Gold Drill Bit Set is designed for users who demand high performance from their tools. The black oxide coating enhances the durability of each bit, providing better resistance to corrosion and wear.

These bits are engineered to work with both standard drill drivers and impact drivers, making them suitable for a range of metalworking tasks.The 14-piece set includes the most commonly used sizes, and the 135-degree split point tip ensures quick starts and clean holes.

The included case is compact and rugged, perfect for jobsite use. This set is a solid choice for professionals who need reliable bits for frequent metal drilling.

PROS
  • Works with impact drivers
  • Corrosion resistant
  • Clean, accurate holes
  • Compact case
CONS
  • Limited number of sizes
  • Not as durable as cobalt for hardest metals

Product Specifications

  • Material High-Speed Steel with Black Oxide Coating
  • Number of Pieces 14
  • Sizes 1/16" to 1/2"
  • Case Included Yes
  • Tip Style Split Point

Main Features

  • 21-piece high-speed steel with cobalt set
  • 135-degree split point tip
  • Heat and wear resistant
  • Plastic storage case
  • Suitable for hard metals

Product Overview

The COMOWARE 21-Piece Cobalt Drill Bit Set is a budget-friendly option for those who need dependable bits for metalworking. Each bit is made from high-speed steel with a 5% cobalt blend, providing improved heat resistance and durability compared to standard HSS bits.

The set includes a variety of sizes, making it suitable for most metal drilling tasks.The 135-degree split point tip helps reduce walking and allows for faster, cleaner drilling. The included plastic case keeps the bits organized and easy to transport.

This set is ideal for DIYers and professionals seeking a cost-effective solution for drilling into metal, including stainless steel and cast iron.

PROS
  • Affordable price
  • Good heat resistance
  • Wide range of sizes
  • Organized storage
CONS
  • Plastic case less durable
  • Not as long-lasting as premium cobalt sets

Product Specifications

  • Material High-Speed Steel with 5% Cobalt
  • Number of Pieces 21
  • Sizes 1/16" to 13/32"
  • Case Included Yes
  • Tip Style Split Point