10 Best Metal Drill Bits 2026 in the United States

The BOSCH CO21B 21-Piece Drill Bit Set offers a solid choice for anyone needing reliable metal drilling tools. Made from Cobalt M42 alloy, these bits are designed for tough jobs involving stainless steel, cast iron, titanium, and other metals. The inclusion of 8% cobalt makes them much more durable and heat-resistant than standard bits, meaning they won’t wear out quickly under heavy use or high temperatures. This feature is especially useful if you frequently drill hard metals.

The Sinyeenglon Cobalt Drill Bit Set is made from high-quality M35 cobalt steel, ensuring the bits are very hard and durable, ideal for drilling through tough materials like hardened metal and stainless steel. The cobalt material, combined with a hardened full grinding process, helps the bits cut faster and last longer than standard drill bits. They feature a sharp 135-degree cutting angle optimized for metal drilling, and a gold oxide finish that enhances wear resistance.

The DEWALT Drill Bit Set is a solid choice for anyone looking to handle a variety of materials, including plastic, wood, and metal. Its 135-degree split point tip design is particularly beneficial as it minimizes walking and allows for accurate drilling. This feature is great for users who may struggle with positioning, especially on harder surfaces.