10 Best Metal Drill Bits 2025 in the United States

The DEWALT 21-Piece Drill Bit Set (DWA1181) is a versatile choice for those needing to drill through a variety of materials such as metal, wood, plastic, PVC, and fiberglass. Its black oxide coating is a notable feature, providing resistance against corrosion and enhancing the longevity of the bits. The 135-degree split point design ensures that the bits start drilling on contact, reducing the chances of slipping on hard surfaces, which is particularly useful for precision work.

The DEWALT Titanium Nitride Coated Drill Bit Set is a solid choice for anyone needing reliable drill bits for various materials, including metal, plastic, and wood. The set includes 21 pieces, ranging from 1/16-inch to 1/2-inch sizes, catering to a wide array of drilling tasks. One of its standout features is the Titanium Nitride coating, which enhances durability and extends the life of the bits, making them a great investment. The Pilot Point design allows for cleaner holes and starts on contact, reducing the chances of wandering, which can be particularly helpful for DIY enthusiasts and professionals alike.

The BOSCH CO14B 14-Piece Assorted Set offers a robust solution for anyone looking to drill through tough metals like stainless steel, cast iron, and titanium. The standout feature here is the use of Cobalt M42 material, which is designed to provide exceptional durability and can withstand high temperatures—making these bits last up to 10 times longer compared to standard drill bits. This is particularly useful for frequent users or those working with harder metals, as it minimizes the need for frequent replacements.