Best Steel Drill Bits of 2025

The toolant Cobalt Drill Bits are designed specifically for drilling into metal and steel. This 21-piece set features titanium aluminum nitride coatings that enhance hardness and heat resistance, allowing for faster cuts and longer-lasting sharpness. The drill bits have a unique bullet point tip that ensures precise drilling without wandering, making it easier for you to achieve accurate results. With a variety of sizes included, you can tackle multiple projects with confidence, knowing you have the right bit for the job. Plus, the 90-day warranty ensures your satisfaction with a money-back guarantee.

The NordWolf 5-Piece M35 Cobalt Stubby Drill Bit Set is made of high-quality materials for extra durability and long lifetime. With an efficient stubby design, these drill bits measure from 1.84 to 2.32 inches, allowing access to hard-to-reach and tight spaces. The integrated hex shank is compatible with standard and quick change chucks and drivers. These multi-purpose drill bits are suitable for drilling stainless steel and various hardened metals, such as cast iron, titanium, bronze, and aluminum. The set includes popular sizes of 3/32", 1/8", 3/16", 1/4", and 5/16", and comes packed in a storage rail lasered with sizes for easy identification.

The BOSCH CO14B 14-Piece Cobalt M42 Metal Drill Bit Set is designed for durability and high heat resistance. It contains upgraded M42 Cobalt jobber-length bits that can handle stainless steel, cast iron, titanium, light-gauge metal and aluminum. The set includes 14 drill bits with sizes ranging from 1/16" to 1/2". With a thick web-helix design and surface-hardened tip, these bits offer additional stability in tough applications and can penetrate tough abrasive materials.

The DEWALT Cobalt Alloy Steel Drill Bit Set comes with a patented bit-bar design and connectable accessory storage system, making it convenient to store and customize the placement of the drill bits. The clear lid allows for easy visibility, while the clip latch ensures secure closing. The small bulk storage size fits perfectly inside the Small and Medium ToughCase+, making it ideal for organizing loose bits for wood, metal or i-beams.

The DEWALT Black & Gold Drill Bit Set is a great choice for those looking for a reliable set of drill bits for their projects. The 135 degree split point tip design helps reduce walking, while the high speed steel construction ensures durability and longevity. The black and gold coating helps prevent rust and wear, and the 3-Flats shank reduces spin-out in the chuck. Size markings on the drill bit shank make it easy to identify sizes quickly.

COMOWARE Cobalt Bits is a 15-piece drill bit set made of 5% Cobalt High-Speed Steel M35, which provides a longer lifespan than standard drill bits. The 135° split point, gold oxide finish, and round straight shanks make this set stand out in terms of precision, chip-clearing, and performance. This set is ideal for drilling through hard materials such as stainless steel, cast iron, high-temperature alloys, titanium alloys, hard plastics, and woods. The set comes with a plastic storage case, making the bits easy to organize and access. In addition, COMOWARE offers a 100% satisfaction guarantee, so if you are unsatisfied with your purchase, you can contact them for help.

This Drill America set includes 29 jobber length drill bits with inch sizes ranging from 1/16" to 1/2" in 1/64" increments. The high-speed steel (HSS) material provides wear resistance, while the black and gold oxide finish resists corrosion and increases the hardness of the drill bit. The 135-degree split point allows for easy penetration of hard materials without a pilot hole and produces small chips, reducing clogging. The set is organized in a convenient plastic storage case.

The Sabre Tools Cobalt Drill Bits are designed to meet your metalworking needs with exceptional durability and performance. This set includes five 1/4-inch bits that excel at drilling through hard materials like stainless steel and cast iron. Made from heavy-duty M35 cobalt, these bits resist wear and heat, ensuring they last longer. The pilot point tip helps prevent slipping and allows for quicker drilling, making your tasks easier and more efficient. With a wide range of applications, these bits are perfect for repairs, construction, and woodworking projects.

The Makita B-65399 Impact Gold 14 Pc. Titanium Drill Bit Set is a great choice for those looking for a reliable and durable drill bit set. It features titanium nitride coating for increased durability, a 135 degree split point geometry for faster starts and reduced walking, and is impact rated for use in 1/4 inch hex impact drivers. It is suitable for drilling holes in ferrous metal, wood, plastic, non-ferrous metal, cast iron, and stainless steel. Customers have praised its quality, design, and value for money.

The MACXCOIP Cobalt Drill Bit Set is a 13-piece set of M35 high-speed steel bits designed for hardened metals, stainless steel, cast iron, and wooden plastics. The 135-degree point tip and twist design allow for faster cutting and self-centering to prevent walk-off. The set includes a drill case with size indexes for easy storage and sorting.