Best Drill Bits

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When tackling projects involving hardened metal, selecting the right drill bits is crucial for efficiency and safety. Whether you’re working with high-carbon steel or softer materials, understanding the benefits of titanium bits and twist drill bits will enhance your metalworking projects.

For professionals and DIY enthusiasts drilling into hardened steel and stainless, cobalt bits, especially those made of M42 cobalt, are essential. They can drill at higher speeds than M35 cobalt and are wear resistant due to the cobalt is blended into the high-speed steel. Coated high speed steel bits are best for reducing heat buildup, which is vital when working with abrasive materials like cast iron.

4 Best Drill Bits for Metal

1. DEWALT Drill Bit Set

DEWALT is recognized for its high-quality tools, and this drill bit set is no exception. It’s designed for versatility and can handle a range of softer materials. Selecting the best drill bits can be overwhelming, but this set stands out for its durability and performance.

The DEWALT Drill Bit Set offers a variety of sizes to meet various drilling needs, ensuring you have the right tool for every job. Whether you’re drilling through sheet metal or wood, this set keeps you prepared.


  • Durable construction
  • Variety of sizes
  • Designed for multiple materials
  • Easy to use
  • Reliable brand


  • May wear quickly on harder metals
  • Case quality could be improved

2. MACXCOIP Cobalt Drill Bit Set

The MACXCOIP Cobalt Drill Bit Set is engineered for precision and longevity, meeting the National Aerospace Standard 907. It’s particularly suited for drilling stainless and other hardened metals. Jobber length bits offer a balance of reach and rigidity, while the cobalt steel construction ensures clean holes and durability.

This metal drill bit set caters to those who demand the best drill bits for hardened steel. Cobalt drill bits for metal are recognized for their ability to maintain sharpness and resist high temperatures, making them ideal for metal drilling applications.


  • Meets NAS 907 standards
  • Durable cobalt construction
  • Designed for hard metals
  • Includes jobber length bits
  • Maintains sharpness well


  • Higher price point
  • Limited size variety

3. IRONANT Step Drill Bits

IRONANT Step Drill Bits are tailored for precision and ease of use, especially when working with softer materials. These bits make selecting the best drill bits straightforward for tasks requiring multiple hole sizes. The titanium coating enhances longevity and reduces friction.

Perfect for electricians and mechanics, these bits offer versatility and smooth cutting for a variety of applications. The step design allows for drilling different hole sizes without the need to change bits frequently.


  • Multiple sizes in one bit
  • Titanium coating for durability
  • Ideal for softer materials
  • Smooth cutting experience
  • Reduces need for multiple bits


  • Not for heavy-duty metal
  • May require frequent lubrication

4. INTOO Mini Drill Bit Set

The INTOO Mini Drill Bit Set is designed for detailed work where precision is key. The jobber length drill bits make it easy to handle a variety of metal drilling applications. With a titanium aluminum nitride coating, these bits coated surfaces improve the life of the drill and reduce wear.

This set is an excellent choice for hobbyists and professionals who use drill presses or hand drills for their projects. The metal index case keeps bits organized and ready for use.


  • Jobber length for versatility
  • Durable titanium aluminum coating
  • Perfect for precision tasks
  • Includes a metal index case
  • Long-lasting performance


  • Not ideal for thick metal
  • Smaller size range

Buying Guide

Selecting drill bits involves considering factors like material, quality, and brand reputation. This guide will help you choose the best drill bits for your metalworking needs.


When selecting drill bits for metal, price is a crucial factor to consider. The cost can range from affordable to premium, depending on the quality and the material of the drill bits. Inexpensive options might save money upfront but could wear out quicker and require replacements more often.

User Reviews

User reviews are an invaluable resource when evaluating the best drill bits for metal. They offer insights into real-world performance, ease of use, and longevity. Reviews can highlight how drill bits handle various types of metal or if they tend to break or dull quickly. 


Quality is paramount when it comes to drill bits for metal. High-quality drill bits are precision-engineered to ensure clean, accurate holes and are often made from materials like cobalt or carbide teeth, which are known for their durability and heat resistance. 

Material: Carbon Steels and Cobalt Drill Bits

The material of the drill bits is a determinant of their performance and suitability for different metal drilling tasks. Some common materials include high-speed steel (HSS), cobalt, and carbide. HSS bits are suitable for general purpose drilling, while cobalt bits are particularly effective for harder metals like stainless steel. 

Brand Reputation

Brand reputation plays a significant role in the selection of metal drill bits. Established brands typically offer better customer support and warranties, ensuring that users can trust in their purchase. Researching the brand’s history, expertise, and customer service can provide assurance that the drill bits will perform as advertised.

Frequently Asked Questions


Choosing the right drill bits for metal is essential for successful and efficient metalworking projects. However, it can be tough with so many options on the market. So, scroll through our guide for the best roundup for drill bits for metal.

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