Best Cobalt Short Drill Bits of 2026

The Drill America Cobalt Drill Bit is a high-performance tool designed for cutting harder metals such as stainless steel or nickel alloys. Made from cobalt steel, this drill bit offers improved durability and strength compared to regular high-speed steel tools. The gold oxide surface treatment not only adds a sleek look to the bit but also provides similar performance to uncoated tools. With its round shank design, it can be used with a wide variety of toolholding systems. The counterclockwise spiral fluted feature ensures efficient chip evacuation, reducing clogging during drilling. Whether you need a portable or machine drilling solution, the Drill America Cobalt Drill Bit is an ideal choice for its superior cutting performance and versatility.

The toolant Pro Cobalt Bits come in a set of five 3/8" drill bits, perfect for heavy-duty drilling tasks. They feature a titanium aluminum nitride coating that makes the bits extra hard and heat-resistant, so they stay sharp and work faster. The specially designed bullet point tip helps you drill precisely by preventing the bit from wandering off target. Made from M35 cobalt high-speed steel, these bits offer excellent strength and durability, especially when drilling through metal. This set is a great choice if you want reliable and efficient tools for tough jobs.

This HSS Cobalt double end drill bit set includes 10 pieces with a size of 1/8" diameter, 5/8" flute length, and 2" overall length. Made from the best hardened HSS Cobalt material, these bits offer a long lifespan. With a double end cutting point, you can use one end when the other end is worn out. The 135-degree split point design allows for self-centering and quick penetration, making drilling through stainless steel, general steel, metal sheet, iron, copper, aluminum, and plastic easy and fast.

The Drill America Cobalt Bit is designed to help you work efficiently with tough metals like stainless steel and nickel alloys, thanks to its cobalt steel composition which is stronger than regular high-speed steel. It features a gold oxide coating that offers a smooth surface, making the bit easier to use without sacrificing performance. The threaded shank design allows you to securely attach the bit to threaded-spindle tools, which are common in aerospace and automotive work, giving you better stability. Plus, its spiral flutes are designed to clear chips quickly when rotating counterclockwise, preventing clogging and keeping your drilling smooth and hassle-free.

The Artymaster Cobalt Drill Set is made from high-grade M35 steel with 5% cobalt, giving you drill bits that resist heat, wear, and damage for longer use. This means you can easily drill through tough materials like stainless steel, cast iron, and even plastics and wood. The drill bits have a 135° split point design, which helps you start drilling more accurately and quickly with less force, reducing mistakes. Plus, the twisted shape helps clear away debris smoothly, making your work faster and more efficient. This set also comes with a handy case for easy storage and transport.

The Cleveland Cobalt Drill Bits are designed with a shorter length for extra strength and stability, so you can drill with confidence and less wobbling. Made from high-speed steel mixed with cobalt, these bits are tough enough to handle hard materials, making your drilling tasks easier and more efficient. The 135-degree split-point tip helps the bit start drilling right where you want it, reducing slipping and protecting the cutting edges for longer life. Plus, the bronze oxide finish lowers stress during use, which means the bits stay sharp and durable for your projects.

The Alfa Tools Cobalt Drill Bits are designed to handle tough drilling tasks with ease. Made from heat-resistant cobalt M42 steel, these bits stay sharp even when temperatures soar above 1000 degrees Fahrenheit, which means you get reliable performance without frequent replacements. The #39 diameter size offers precise drilling for smaller holes, while the 135-degree split point helps you start drilling smoothly and reduces walking on the material. Plus, the right-hand spiral straight shank design ensures a secure fit in your drill, making your work more efficient and accurate. These bits are proudly made in the USA, assuring quality and durability.

Introducing the uxcell 2.1mm Drill Bit, a must-have for anyone who works with stainless steel, copper, aluminum alloy, wood, and plastic. Made of M35 HSS with 5% Cobalt, this drill bit boasts a Shank/Cutting Edge Diameter of 2.1mm, Cutting Edge Length of 24mm, and Total Length of 48mm. Whether you're a professional or a DIY enthusiast, this drill bit is perfect for drilling holes, making it a versatile tool to have in your toolbox. Its durable material ensures that it can withstand high-speed drilling, making it efficient and convenient for any project. Plus, with its compact size and package of 5pcs, you can easily carry it around and have it on hand whenever you need it.

The uxcell Twist Drill Bit set includes three high-speed steel (HSS) cobalt bits, each measuring 6.7mm in diameter. With a total length of 100mm, these bits are designed for durability and precision. The straight shank allows for easy handling and compatibility with various drill types. Additionally, the flute length of 55mm ensures efficient chip removal, making your drilling tasks smoother and more effective. This combination of features not only enhances performance but also provides you with the reliability needed for a range of drilling applications.

The Chicago Latrobe Cobalt Drill is designed to give you strong, precise drilling with less chance of bending or breaking thanks to its short length. Made from cobalt steel, this drill bit lasts longer when working with tough materials, so you get more done without frequent replacements. Its gold oxide coating helps reduce friction and wear, making it easier to drill into ferrous metals smoothly. Plus, the 135-degree split point lets you start drilling hard surfaces without needing a pilot hole, while also producing smaller chips to keep the drill clean and working efficiently.