10 Best Metal Drill Bits 2025 in the United States

The Milwaukee 29 Pc. Cobalt Red Helix Metal Drill Bit Set is designed for those who need reliable and durable drill bits for metalwork. Made from cobalt, these bits are tougher and last longer than standard high-speed steel bits, especially when drilling into hard metals. The 135-degree cutting angle is ideal for clean starts and precise drilling, reducing walking on the material. The black oxide finish adds some protection against rust but is less durable than some other coatings like titanium or black oxide with extra treatments.

The Milwaukee 48-89-9224 Step Bit 6-Piece Set offers a solid option for those needing step drill bits primarily for metals like aluminum, brass, copper, and steel, as well as plastics and wood. Made from alloy steel with a black oxide finish, these bits are designed to resist wear and corrosion, enhancing their durability. The black oxide coating also helps reduce friction and heat buildup during drilling, which is beneficial for clean and efficient cuts.

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.