10 Best Drill Bit Sets 2025 in the United States

The BOSCH CO21B 21-piece drill bit set is designed mainly for metal drilling tasks, especially tough materials like stainless steel, cast iron, titanium, and aluminum. These bits are made from cobalt M42 alloy, which includes 8% cobalt, making them very durable and resistant to heat — this means they can last up to 10 times longer than standard bits and handle long drilling sessions without losing effectiveness. The set covers a good range of sizes from very small (1/16 inch) to larger holes (up to 1/2 inch), making it versatile for various projects.

The Milwaukee 48-89-4672 Impact Duty Titanium Drill Bit Set is a versatile 29-piece set designed for durability and efficiency. One of its major strengths is the titanium coating, which offers increased lifespan and reduced wear, making it a great choice for heavy-duty use. The thick tapered web adds to its strength, reducing the chance of breaks during tough jobs.

The DEWALT Titanium Nitride Coated Drill Bit Set (DW1361) is a fantastic option for both DIY enthusiasts and professionals looking for a reliable and versatile drill bit set. One of its standout features is the titanium nitride coating, which enhances durability and extends the life of the bits. This set includes 21 pieces, covering a size range from 1/16-inch to 1/2-inch, making it suitable for various projects involving metal, plastic, and wood. The pilot point design ensures clean holes right from the start, which can be a real time-saver during tasks that require precision.