10 Best Metal Drill Bits 2025 in the United States

The Milwaukee 48-89-4680 18-Piece Shockwave Impact Duty Titanium Drill Bit Set is designed for those who require reliable and durable drill bits for heavy-duty tasks. One of its standout features is the titanium coating, which significantly reduces heat buildup during use. This means you can use the bits for extended periods with less risk of warping, making them suitable for various applications. The special parabolic flute design enhances chip clearance, allowing for a quicker and cooler drilling experience, which is a big plus for efficiency.

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 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.