Best Metal Countersink Drill Bits of 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Metal countersink drill bits are a must-have for any DIY enthusiast or professional woodworker. These specialized drill bits are designed to create a countersink hole in metal, wood, or plastic materials, allowing screws and bolts to sit flush with the surface. With their high-speed steel construction, these bits are durable and long-lasting, making them perfect for heavy-duty projects. They come in a variety of sizes and shapes to fit any project, ensuring precision and accuracy every time. Whether you're a seasoned woodworker or just starting out, metal countersink drill bits are a valuable addition to your tool collection.
At a Glance: Our Top Picks
Top 10 Metal Countersink Drill Bits
IRWIN Countersink Drill Bit Set, 5-Piece
The IRWIN Countersink Drill Bit Set includes 5 industrial grade high speed steel bits with a precision ground 82° tip. These bits are suitable for countersinking most machinable metals, wood, and plastic. The black oxide finish provides corrosion resistance and the five-flute design reduces vibration for smoother drilling and extended bit life.
NEIKO 10218A Countersink Drill Bit Set
The NEIKO 10218A Countersink Drill Bit Set includes 5 precision machined tips with 1/4" tri-flat shanks, made of high quality M2 HSS material for extended drill bit life. It has a five-flute design that reduces vibration for smoother drilling with commonly used 1/4", 3/8", 1/2", 5/8", and 3/4" drill bits. The set comes with an aluminum case for easy storage and carrying.
DKIBBITH 5pc Countersink Drill Bit Set
The DKIBBITH Countersink Bit Set includes five high-quality bits with an 82-degree angle, perfect for creating flush or recessed holes in wood, metal, and plastic. The sharp, five-flute design ensures precise countersinking, allowing you to achieve clean and accurate results effortlessly. With a convenient 1/4" quick-change hex shank, switching out bits is simple and fast, fitting most drills without the need for extra adapters. Plus, the durable storage case keeps your bits organized and protected, making it easy to transport and store when not in use.
Pylevemv 5-Piece Countersink Drill Bit Set
The Pylevemv Countersink Bit Set is designed for those who seek precision in their woodworking projects. Made from high-quality materials, these bits are sharp and durable, reducing cutting resistance for reliable performance. With their 82-degree tip, they create countersink holes in wood, plastic, and metal, though they are not suitable for stainless steel. The set includes five different sizes, allowing you to choose the perfect fit for your task. Additionally, the five-flute design enhances efficiency by ensuring quick debris removal, resulting in smoother finishes for screws and fasteners. This combination of features makes your projects easier and more professional.
IRWIN Tools Black Oxide Countersink Drill Bit, 5-Piece Set
The IRWIN Tools Black Oxide Countersink Drill Bit, 5-Piece Set is made from industrial grade High-Speed Steel for increased durability and has a black oxide finish that adds corrosion resistance. The five-flute design reduces vibration for smoother drilling and extended bit life, while the precision-ground 82-degree tip drills countersink holes into most machinable metals, as well as wood and plastic. The 1/4-inch round shank fits all handheld and stationary drills.
OCGIG 4pcs Countersink Chamfer Tool Set
The OCGIG 4pcs Countersink Chamfer Tool Set features high-speed steel material with a round shank type and various sizes. It is ideal for cutting through metal, wood, and plastic. The 90° angle on the point allows for sharp and precise countersinking, making it perfect for circular aperture chamfering or cone holes. However, it is recommended to use a bench drill, as using a hand drill may cause shaking and affect the chamfering effect.
wesleydrill Countersink Drill Bit Set 5 pcs 82 Degree
wesleydrill Countersink Set is a set of 5 high-speed steel countersink bits that come in sizes of 1/4", 3/8", 1/2", 5/8", and 3/4", each with an 82-degree tip drill and a black oxide coating to resist corrosion. These bits can be used to sink holes into most machinable metals, plywood, softwood, hardwood, fiberglass plastic, and mild steel. They feature a five-flute design that removes chips faster and drills smoother, ensuring an extended life. The set comes with an aluminum carrying case for easy storage and transport. With the unique design and high efficiency of these bits, you can drill holes on almost any material with convenience and speed.
Matework M35 Cobalt HSS Countersink Drill Bit Set
Matework Countersink Drill Bits are made from M35 cobalt high-speed steel, providing durability, corrosion resistance, and heat resistance. The five-flute design offers stability during cutting and efficient debris discharge, ensuring accurate cuts and speeding up the drilling process. With 6 versatile sizes, these bits are suitable for various metals and wood. The laser-engraved step sizes enhance visibility and durability, making the drilling process more convenient and accurate.
MAZING 5PCS Countersink Drill Bit Set
The MAZING Countersink Bit Set includes five durable bits made from high-speed steel, ensuring they resist wear and corrosion for long-lasting use. The unique five-blade design reduces vibration while improving chip removal, making your drilling tasks smoother and more efficient. With a variety of sizes ranging from 1/4" to 3/4", you'll have the right tool for many projects, all neatly stored in an aluminum case for easy access. The 1/4" hex shank fits securely in most drills, preventing slipping and allowing you to work with confidence on various materials, from wood to metal.
MATEWORK M2 Cobalt Countersink Drill Bit Set
The MATEWORK Countersink Drill Bits are made from high-quality M2 cobalt high-speed steel, ensuring durability and resistance to corrosion and heat. This means you can rely on them for tough jobs without worrying about wear and tear. Their five-flute design allows for stable cutting and efficient removal of debris, which helps extend the life of the blades and speeds up your drilling tasks. Plus, with laser-engraved step sizes, you’ll have clear visibility of measurements, making it easier to achieve precise results every time.
Frequently Asked Questions (FAQs)
1. Can you use a countersink bit on metal?
Yes, countersink bits can be used on metal. High-speed steel countersinks with a precision-ground 82-degree tip are ideal for countersinking into most machinable metals.
2. What drill bits will go through steel?
Cobalt drill bits are specifically designed for drilling hard metal and steel. They have excellent heat dissipation and are highly resistant to abrasions, making them more suitable for drilling into hard metals compared to black oxide- or titanium-coated drill bits.
3. What can you use instead of a countersink bit?
In a pinch, you can use an improvised countersink method. One option is to drill a pilot hole with a regular drill bit and then use a Phillips head bit to hollow out a countersink divot to a depth where the screw head can lie flat. While it may not be as clean as using a countersink bit, it can serve the purpose when a countersink bit is not available.
4. What type of countersink works best in aluminum?
For aluminum, Zero Flute countersinks with a hex shank work best. These countersinks are designed to provide clean and precise countersinking in aluminum material.
5. What is the best drill bit to drill through hardened steel?
When drilling through hardened steel, it is important to use drill bits made from tougher materials. Carbide bits are the strongest and most suitable for drilling through hardened steel. If carbide bits are not available, titanium and cobalt drill bits can also be used.
6. What is the strongest drill bit for metal?
Cobalt drill bits are considered the best drill bits for hard metals, including stainless steel. If using a hand drill, a 5% cobalt (M35) drill bit is most suitable as it is less brittle compared to other drill bits.
7. Can you sharpen countersink?
Yes, countersinks can be sharpened. For single flute countersinks, a die grinder or Dremel with a small stone can be used. The rake face (inside the single flute) is ground to maintain the correct rake angle.
8. Can you countersink steel?
Yes, steel can be countersunk using steel drill bits with carbide tips. Carbide drill bits are commonly used for hard-to-drill materials like steel and are effective for drilling larger holes.
During our metal countersink drill bit research, we found 24 metal countersink drill bit products and shortlisted 10 quality products. We collected and analyzed 60,324 customer reviews through our big data system to write the metal countersink drill bits list. We found that most customers choose metal countersink drill bits with an average price of $17.99.
The metal countersink drill bits are available for purchase. We have researched hundreds of brands and picked the top brands of metal countersink drill bits, including IRWIN, NEIKO, DKIBBITH, Pylevemv, OCGIG. The seller of top 1 product has received honest feedback from 204 consumers with an average rating of 4.7.

Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.