Best Metal Countersink Drill Bits of 2025

Harry Stack Avatar
Harry Stack
Last Updated: Jan 7, 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

IRWIN Countersink Drill Bit Set, 5-Piece Cover #TOP 1
IRWIN Countersink Drill Bit Set, 5-Piece
ftb score rating icon 9.9
NEIKO 10218A Countersink Drill Bit Set Cover #TOP 2
NEIKO 10218A Countersink Drill Bit Set
ftb score rating icon 9.8
DKIBBITH 5pc Countersink Drill Bit Set Cover #TOP 3
DKIBBITH 5pc Countersink Drill Bit Set
ftb score rating icon 9.6

Top 10 Metal Countersink Drill Bits

#TOP 1

IRWIN Countersink Drill Bit Set, 5-Piece

1877793
Multi
One Size
IRWIN Countersink Drill Bit Set, 5-Piece Cover
IRWIN Metal Countersink Drill Bit Set, 5 Piece, 1877793

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.

What We Like
Precision ground 82° tip suitable for countersinking most machinable metals, wood and plastic
Industrial grade high speed steel for increased durability
Black oxide finish for added corrosion resistance
Five-flute design that reduces vibration for smoother drilling and longer bit life
#TOP 2

NEIKO 10218A Countersink Drill Bit Set

10218A
5 Piece
NEIKO 10218A Countersink Drill Bit Set Cover
NEIKO 10218A Countersink Drill Bit Set for Wood and Metal, 1/4” Tri-Flat Shank, 5 Piece Countersink Bits, M2 High Speed Steel

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.

What We Like
Precision machined tips with 82-degree tip for sinking holes into various materials
High quality M2 HSS material for extended drill bit life
Five-flute design reduces vibration for smoother drilling
Comes with commonly used 1/4", 3/8", 1/2", 5/8", and 3/4" drill bits
Aluminum case included for easy storage and carrying
#TOP 3

DKIBBITH 5pc Countersink Drill Bit Set

23745
DKIBBITH 5pc Countersink Drill Bit Set Cover
Countersink Drill Bit Set, 5pc, 1/4" Hex Shank, 82 Degree Countersink Holes for Screws to Sit Flush or Under The Surface of Metal Wood Plastic, Sizes 1/4, 3/8, 1/2, 5/8, 3/4 Inches with Storage Case

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.

What We Like
Versatile for multiple materials
Precise countersinking capability
Easy bit changes
Durable storage case
#TOP 4

Pylevemv 5-Piece Countersink Drill Bit Set

Pylevemv
Countersink Drill Bit Set001
One Size
Pylevemv 5-Piece Countersink Drill Bit Set Cover
Pylevemv 5Pcs Countersink Drill Bit Set, Premium Countersink Drill Bit with 82-Degree, 5 Flutes, Quick-Change Hex Shank, 1/4 Inch to 3/4 Inch Size, Countersink Drill Bits for Wood, Metal, Plastic

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.

What We Like
Durable and sharp
Versatile material compatibility
Multiple size options
Efficient debris removal
#TOP 5

IRWIN Tools Black Oxide Countersink Drill Bit, 5-Piece Set

1877791
Multicolor
One Size
IRWIN Tools Black Oxide Countersink Drill Bit, 5-Piece Set Cover
IRWIN IRWIN Tools 1877791 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.

What We Like
Durable due to industrial grade High-Speed Steel material
Corrosion-resistant black oxide finish
Five-flute design reduces vibration for smoother drilling and longer bit life
Precision-ground 82-degree tip drills countersink holes into most machinable metals, wood, and plastic
1/4-inch round shank fits all handheld and stationary drills
#TOP 6

OCGIG 4pcs Countersink Chamfer Tool Set

OCG-TL219
OCGIG 4pcs Countersink Chamfer Tool Set Cover
OCGIG 4pcs Countersink Chamfer Tool HSS(4241) Deburring Tool Set Metal Wood Drill Bits

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.

What We Like
Sharp and precise countersinking
Ideal for cutting through multiple materials
Various sizes for versatility
#TOP 7

wesleydrill Countersink Drill Bit Set 5 pcs 82 Degree

CT012
wesleydrill Countersink Drill Bit Set 5 pcs 82 Degree Cover
wesleydrill 5 pcs Countersink Drill Bit Set,82 Degree Counter Sink, Fit for Sink Holes into Most Machinable Metals, Plywood, Softwood, Hardwood, Fiberglass Plastic, Mild Steel

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.

What We Like
Durable high-speed steel material
82-degree tip drills on any material
Black oxide coating resists corrosion

Matework M35 Cobalt HSS Countersink Drill Bit Set

MT9036
M35 Cobalt
Matework M35 Cobalt HSS Countersink Drill Bit Set Cover
Countersink Drill Bit Set, M35 Cobalt HSS Countersink Drill Bits 6 Pieces 1/4 Inch Quick Change Hex Shank for Metal, Wood, Stainless Steel, Carbon Steel

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.

What We Like
Durable Cobalt Materials
Efficient Cutting Design
Versatile Applications
#TOP 9

MAZING 5PCS Countersink Drill Bit Set

MAZING
CDB-5
MAZING 5PCS Countersink Drill Bit Set Cover
MAZING 5PCS Countersink Drill Bit Set, 82 Degree5-Flute HSS Counter Sink Bits with 1/4" Hex Shank, Sizes 1/4” to 3/4” Fit for Sink Holes into Metal, Wood, Plywood & Plastic with Aluminum Case

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.

What We Like
Durable high-speed steel construction
Vibration-reducing five-blade design
Includes five popular sizes
Secure fit for drills
Versatile for multiple materials
#TOP 10

MATEWORK M2 Cobalt Countersink Drill Bit Set

MT9066
M2 Cobalt
MATEWORK M2 Cobalt Countersink Drill Bit Set Cover
Countersink Drill Bit Set, M2 Cobalt HSS Countersink Drill Bits 6 Pieces 1/4 Inch Quick Change Hex Shank for Metal, Wood, Stainless Steel, Carbon Steel

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.

What We Like
Durable cobalt construction
Efficient debris removal
Clear size markings
Versatile for multiple materials
Buying Guide Image

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.

Editor's Notes

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.

Written by
Harry Stack Avatar

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.