Best Combined Drill Countersinks of 2026
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Combined drill countersinks are versatile tools that are used in a variety of applications, such as woodworking, metalworking, and even in the aerospace industry. These tools are designed to create a countersink hole and a pilot hole simultaneously, saving time and effort. They are commonly used to create a recess for screw heads, allowing them to sit flush with the surface. With their high-speed steel construction and precision design, combined drill countersinks provide clean and accurate results every time. Whether you are a professional tradesperson or a DIY enthusiast, these tools are a must-have in any toolbox.
At a Glance: Our Top Picks
Top 10 Combined Drill Countersinks
Shars HSS Center Drill Set 404-1374
The Shars Center Drill Set is a versatile tool set that includes five high-speed steel (HSS) center drills designed for precision drilling and countersinking. With an uncoated finish, these drills provide a clean cut and reduce friction, which can enhance the durability of the tool. The right-hand rotation feature ensures smooth operation, making it easier for you to achieve accurate results. Additionally, the plain countersink type allows for a straightforward design that simplifies your drilling tasks, ensuring that you can create the perfect countersink for screws or fasteners effortlessly.
HHIP 5000-3109 M42 Cobalt Drill and Countersink
The HHIP Cobalt Drill Countersink is crafted from durable M42 steel, giving you a longer-lasting tool that stands up to tough jobs. Its plain design makes it straightforward and easy to use without extra features getting in the way. Being ground from solid material means the tool is precisely shaped for better accuracy and smooth performance. This combined drill and countersink is perfect for centering workpieces on machine centers, helping you achieve precise alignment. Plus, the 60-degree countersink angle fits all standard centers, making it a versatile choice for various tasks.
HHIP 5000-3125 60 Degree M42 8% Cobalt Combined Drill and Countersink
The HHIP Combined Drill and Countersink is a versatile tool made of M42 steel, ensuring a longer tool life. With its plain style and solid grounding, this tool is perfect for centering work ends that need to be revolved on machine centers. The 60-degree countersink angle fits all standard centers, making it convenient for various applications. Whether you are drilling or countersinking, this tool provides precision and accuracy. Its durability and reliability make it an essential addition to any workshop. Invest in the HHIP Combined Drill and Countersink for efficient and precise drilling and countersinking tasks.
Shars #1-8 60 Degree Center Drill Set
The Shars Center Drill Set is a versatile collection featuring sizes #1 through #8, making it suitable for various drilling tasks. With body diameters ranging from 1/8 to 3/4 inches, you can easily choose the right size for your project. The drill diameters from 3/64 to 5/16 inches ensure precise holes, perfect for accurate work. Its 60° right-hand design allows for efficient drilling and countersinking in one step, saving you time and effort. This uncoated, plain countersink set is ideal for both professionals and DIY enthusiasts looking to enhance their toolkit.
Shars M42 Cobalt Center Drill #5
The Shars M42 Center Drill is crafted from durable M42 steel, which means it offers extended tool life and better resistance to wear. This makes it a reliable choice if you want a drill that lasts longer during tough projects. It features a plain style with a 60° angle, ideal for precise and clean drilling starts. Designed for right-hand use, this drill suits standard drilling setups. With tight tolerances on both the body and drill diameter, you can expect high accuracy and consistent performance every time you use it.
HHIP 5000-3187 M42 Cobalt Drill and Countersink
The HHIP M42 Drill Countersink is crafted from durable M42 steel, which means you get a longer-lasting tool that can withstand tough jobs without wearing out quickly. Its plain design keeps it simple and easy to use, making your work more straightforward. Being ground from a solid piece of metal ensures precision and strength, so you can trust it to perform accurately. This tool is perfect for centering workpieces that will rotate on machine centers, giving you reliable and consistent results every time.
Shars M42 #3 Combined Drill & Countersink
The Shars M42 Combined Drill offers durability with its M42 steel construction, ensuring a longer lifespan for your tools. Its plain style 60° angle is ideal for precise countersinking, giving you clean and accurate results. Designed for right-hand use, it fits standard drilling setups comfortably. The tight tolerances on both the body and drill allow for consistent performance and reliable fits, minimizing errors during your projects. With these features, the Shars M42 Combined Drill helps you work efficiently and achieve professional-quality outcomes.
Drill America #4x6" Extra Long Drill Bit
The Drill America Extra Long Bit is designed for a variety of tasks. Its high-speed steel construction ensures durability and wear resistance, making it ideal for general use. The black oxide finish not only enhances lubrication but also helps keep coolant close to the cutting edge, improving performance during use. With its round shank, you can easily use this bit with many different toolholding systems. Additionally, the spiral flutes are designed to efficiently remove chips, minimizing the risk of clogging while you work. This combination of features makes it a reliable choice for producing center holes in your projects.
Shars M42 Cobalt Center Drill 7/32"
The Shars Cobalt Center Drill is crafted from durable M42 steel, ensuring a longer lifespan for your tools and saving you frequent replacements. Its 60° angle design is perfect for creating precise center holes, which helps when you need accurate drilling or machining between centers. This drill also serves as a great starter hole maker, preventing your drill bit from slipping or "walking" during use. With tight tolerances on both the body and drill, you can trust this tool to deliver consistent and reliable performance for your projects.
Shars #3 Solid Carbide Center Drill
The Shars Center Drill #3 is designed for precision drilling and countersinking, making it an essential tool for your projects. With a trade size of #3 and an overall length of 2 inches, it fits easily into various setups. Made from solid carbide, it offers durability and strength, ensuring long-lasting performance. The uncoated finish helps reduce wear, while the 60-degree included angle is perfect for creating clean countersinks. This drill features a 7/64-inch diameter, allowing you to achieve the exact hole size you need with ease.
Frequently Asked Questions (FAQs)
1. What is the rule of thumb for countersinks?
As a general guideline, the diameter of the countersink should be approximately 1.5 times larger than the diameter of the hole or bolt. For example, for a 1/4-20 bolt, a 3/8” countersink would be suitable.
2. What is a combination drill used for?
A combination drill, also known as a combi drill, is a versatile tool that combines the features of a drill driver with a hammer-action feature. This makes it suitable for drilling into various materials, including masonry and brick. It is a great all-rounder tool for different drilling needs.
3. Can you countersink with a normal drill bit?
While it is possible to countersink with a normal drill bit, it may not provide as clean and precise results as a dedicated countersink bit. However, in a pinch, you can drill a pilot hole with a regular drill bit and use a Phillips head bit to create a countersink divot where the screw head can lie flat.
4. What is an alternative to countersink?
An alternative to countersink is a counterbore. Similar to countersinking, it creates a larger hole with a flat bottom for the screw or bolt to fit into and be flush with the surface. Counterbore provides a sturdy and stable hold, and the screw or bolt has a flat underside for a secure fit.
During our combined drill countersink research, we found 24 combined drill countersink products and shortlisted 10 quality products. We collected and analyzed 5,844 customer reviews through our big data system to write the combined drill countersinks list. We found that most customers choose combined drill countersinks with an average price of $19.16.
The combined drill countersinks are available for purchase. We have researched hundreds of brands and picked the top brands of combined drill countersinks, including Shars, HHIP, Drill America. The seller of top 1 product has received honest feedback from 180 consumers with an average rating of 4.8.
Brian Howie is a content writer and senior industrial designer. After graduation from Westminster College, he has been engaged in product design and manufacturing for 18 years. Brian Howie has always found great pleasure in designing industrial products and sharing his ideas and experience online.