5 Best Countersink Drill Bit Sets (Review) In 2021

When you are using screws in fixing or assembling tool kit as part of your home improvement or maintenance, you expect premium neatness. And to achieve such neatness in the project completions demands the use of a quality countersink drill bit set. 

The assorted drill bits with the combination of power drills can create a variety of holes, sizes, and types for a different purpose. However, to be able to drill the holes or fixing the screws, you, at first, need to equip with the best countersink drill bit sets. 

But how do you select one, especially when nearly every home improvement shop shelves come with various types, sizes, and material-made drill bit sets? 

Are you feeling confused?

Keep reading our five most appropriate countersink drill bit sets review with the included buying guide to find yours. 

So, are you ready?


Neiko 10218A Countersink Drill Bit Set
Neiko 10218A Countersink Drill Bit Set
HSS Chamfering Tool Bit Countersink Drill Bit
HSS Chamfering Tool Bit Countersink Drill Bit
Premium Pick
DEWALT DW2535 Countersink Drill Bit Set
DEWALT DW2535 Countersink Drill Bit Set

Top 5 Best Countersink Drill Bit Sets Review

Various drill bit sets for countersink has a specific purpose of fulfilling. Hence, we have covered a wide range of drill bit sets that will be equally useful for both DIYers and professionals.

1. DEWALT DW2535 Countersink Drill Bit Set

DEWALT Countersink Drill Bit Set #6, #8, #10, 3-Piece (DW2535)

Our 1st countersink drill bit set comes from the famous DeWalt, and so, you can rest your trust on it without any further confusion. DeWalt has always manufactured the best and most handy tools for professionals and DIYers, and this three-piece set isn’t any exception. 

With the #6, #8 and #10 sizes, it remains at the heart of popularity among DIYers. It’s because of its durable construction and the perfect size. 

The countersink collar of the three-piece drill set features a unique four flute design. So, it won’t easily slip off from the screws or holes. The addition of the hex shank also stops the slippage from making your screw fixing chores convenient. 

DeWalt has built the drill bit set to work mainly on wood and lumbers. But you can use it on softer materials such as laminate and plywood with care. 

Another selling point of the drill set is its tapered design. It gives you a smooth finish while not slowing down the drilling task. So, you will love working with the tool kit. 

Key Features:
  • DeWalt DW2535 drill bit set comes with three drilling pieces.
  • Its activated ball groove mechanism supports rapid loading and robust retention.
  • The accessory change is quick and rechecking free.
  • The locking mechanism prevents accidental slippage.
  • The holder will fit drill sets between 3/8″ and ½.”
  • Stainless steel interior.
  • Rubberized grip.
  • Versatile use.
  • Expensive.
  • Three pieces only.

2. Neiko 10218A Countersink Drill Bit Set

Neiko 10218A Countersink Drill Bit Set, M2 High Speed Steel, 1/4” Tri-Flat Shank | 1/4”-3/4”, 5 Piece Set with Carrying Case

This Neiko 10218A Drill Bit Set comes in a package of five pieces of countersink drill. The size variation ranges from ¼” to 3/8″ that can perform most drilling tasks without any issues. 

This is the best countersink drill bit set if you are looking for precision and smoothness at the screw fixing and drilling tasks. The smoothness comes from a five-flute design that reduces vibration. Also, the 82-degree angling is suitable for drilling a variety of material, including wood, rubber, soft plastics, to mention some. 

For durability, Neiko constructed the drill set from the M2 material. So, it will serve you with an extended lifetime- for sure. Finally, when drilling hard or soft materials, its tri-flat shank will give you a comfortable and slippage prevented gripping. 

In short, it enjoys unrivaled popularity with such fantastic features that incorporates the friendly price tag. 

Key Features:
  • Its ¼” shank will support all handheld power drills.
  • The five pieces set size ranges between ¼” to ¾.”
  • The sturdy aluminum casing helps secure storage and carrying.
  • Its 82-degree tip supports accurate drilling on hard and soft metals alike.
  • Durable design.
  • Reduced vibration.
  • Low-pricing.
  • Usable with both impact and regular drill drivers.
  • Sometimes the bits may wobble.
  • The tip gets dull rather quickly.

3. IRWIN 1877793 Countersink Drill Bit Set

IRWIN Countersink Drill Bit Set for Metal, 5-Piece (1877793)

The Irwin is another brilliant drill bit set that comes in a pack of five pieces. It has a regular ¼” shank size. So, you can use the drill set with all the standard handheld and stationary drills. It brings versatility to the practical life. 

Another impressive point of Irwin 1877793 drill set is its 82-degree tip. The tip is designed to achieve supreme precision at work. Furthermore, it enables you to work with plastic, wood, and, most importantly, machine-able metals. 

The drill set radius varies the commonly used ¼” to 3/4″ that allows you to work with most drilling tools. The drill set is made of industrial-grade steel. It, thereby, ensures superior durability at work. You will be prominently glad to know that the strength is improved even more with the black oxide coating on the steel. 

Besides the endurance, professionals also praise high about its smoothness that comes from the five flute design. It prevents slippage and reduces the vibration to achieve such a smooth and effortless drilling result. 

Key Features:
  • The steel used to manufacture the drill set is of high-speed accuracy.
  • Its 82° tip has precision ground for accuracy.
  • You can drill and bore metal, plastic, and wood with it.
  • The storage and carrying box are durable and stylish.
  • It includes standard countersink bits sizes.
  • Extreme durability.
  • Perfect and accurate sizing.
  • Not budget-friendly.
  • Bits become dull quickly.

4. HSS Chamfering Tool Bit Countersink Drill Bit

3 Flute 90 Degree HSS Chamfering Tool Bit Countersink Drill Bit for Metal Pack of 6pcs

This Chamfering Countersink Drill Bit Set from Preamer is an affordable version that still works like a high-end drill set. You get six pieces of drilling bit with the package, each with a 90-degree tip. 

The drill bit is mainly made for working with sheet iron, insulation board, and carbon steel. The preferred hardness level for the HSS Chamfering drill bit set is 25° right below the workpiece that gives sufficient stability to the tool. 

The size variation is from 6.3mm to the highest 20.5 mm, which are the most standard sizes you get in a drill bit set. For durability, Preamer has used HSS 4241 steel to construct the drill bit set. It incorporates the three-flute tip design to stop slippage and reduce vibration. 

So, you will always get a smooth drilling experience with the drill bit. Finally, the round shank also comes handy for slippage prevention. 

Key Features:
  • The drill bit set comes in six standard pieces with common sizes.
  • The HSS 4241 steel made countersink drill set is highly durable.
  • Its 25° hardness measurement is more than sufficient.
  • Three-flute design reduces vibration and stops accidental slips.
  • It is made to use with hard metals.
  • Six size variations.
  • Wide range of usability.
  • Inexpensive item.
  • Not usable with softwood and plastics.

5. Werkzeug Countersink Drill Bits Set

Werkzeug Countersink drill bit Set, Wood Drill Bit Set with One Hex-Key, High Carbon Steel Smart Drill Bit for Woodworking Adjustable Carpentry Reamer Plated (7 PCS)

Made from high-quality carbon steel, Werkzeug Drill Bits set facilitates a superior cutting power that professionals love. Apart from the extreme cutting power, the drill bit set also has supreme wear and tear resistance, thanks again to the hardness level it has. 

The hardness is beneficial to drill the holes fast and conveniently. 

You get 7 pieces of drill set with the package accompanied by a hex key. The hex key is useful in adjusting the depth of drills and counter sleeve along with the removal of the chamfer. So, it is a complete package. 

The chamfer has five flute tips, while the drills itself has three-pointed tip design. All these are helpful for accurate and smooth drilling even on the hardest metal. In fact, you can drill on metals, woods, (both hard and softwood), and plastic with the Werkzeug drill bits set. 

The drills bits won’t accumulate debris and dirt that will make the entire drilling procedure fast and convenient. So, it is no wonder why both DIYers and professionals both love the best countersink drill bit sets from Werkzeug.

Key Features:
  • It is seven pieces set- six drills bits and one hex-key.
  • The high-carbon made set has extreme wear resistance and high hardness level.
  • It has a sharp edge to drill accurately and smoothly with a three-pointed design.
  • Automatic and fast discharge of chips from the chamfer.
  • Convenient usage.
  • Improved efficiency.
  • Very affordable.
  • The plastic storage needs improvement..

The Best Countersink Drill Bit Sets Buying Guide

Selecting a good-quality and useful drill bit set can be a tedious job for you if you don’t know the factors to consider and ignore properly. It becomes even more challenging if you are a beginner and have the slightest knowledge on how a drill bit set works. 

So, we are going to cover the A to Z of purchasing factors for the countersink drill bet sets. 

Working Materials

The first consideration while buying the drill bit sets isn’t focusing on the drilling tool, but it actually depends on you. First, you need to prominently determine which type of materials you will mostly be working on with the drill bit set. 

For instance, a countersink drill bit set is ideal for working with wood boards, but the same you can’t use for drilling metal or plastics. For metal, you will need a harder drilling set. 

Drill Bit Manufacturing Material and Coatings

The next one you need to consider is the manufacturing material of the drill set, for it assures durability and accuracy in the drilling projects. Drill bits are widely made of various types of steels. The most common steel types are:

  • Low-carbon steel: These are inexpensive and softer. You can sue it to drill on thin plastic and wood. But the edge sharpness losses quickly. 
  • High-carbon steel: These bits have the superior hardness and wear resistance. So, it is perfect for boring holes in metals and hardwood. However, it gets heated quickly that softens the edges frequently.
  • Cobalt-steel: The cobalt steel made drill bits are prepared to work at high temperatures. So, professionals use it to bore holes on hard metals, but these are expensive too. 

Apart from the manufacturing material, the coating is also crucial. You will mostly see black-oxide and titanium-nitrate sheets on the drill bit sets. However, some expensive models have aircraft-grade diamond powder coating that is impossible to wear off. 

Shapes and Angles of The Drill Bit Tip

Regular homeowners and DIYers will choose the straight shanks for every day drilling chores. On the contrary, the professionals and contractors, use tapered shank for heavy-duty drilling tasks. Nonetheless, these days, people also choose hex-shaped shanks. 

You also need to select the number of pointed tips on the drill bit set. Usually, you will find three, five, or six-pointed tips that all prevent vibration and slippage. The sharp angle is also essential to create the drilling holes with a proper smoothness. 

Available Sizes

The available sizes of the consigned pieces for the drill bits set are also crucial. Ideally, most drill bit sets come with three to five parts with the standard sizes. Some manufacturers might provide six or seven drilling pieces in the package. 

Make sure you get the standard sizes with the package.

Frequently Asked Questions (FAQs)

How to understand the countersink drill bit set size I need?

It depends on a bit of mathematics. You need to ardently find the radius of the screws at first and then measure the length of the screw.  You need to multiple the squared radius with the constant Pi (π) and then multiply the result by the screw length to get the right size drill. You may need a scientific calculator for the math as well.

How does a countersink drill bit set work?

First, you need to drill a pile hole for the screw. After that, the countersink drill bits set to create the actual hole that would hold the screw on the surface. The bit bores the crater with its trailing edge.

What is the most robust drill bit set?

When drilling in harder material, cobalt-steel made drill bits set is probably the most robust set you can get at present. It is mainly a steel base with 5% to 10% cobalt mixed with it.


So, these fives are our pick for the best countersink drill bit sets. We have diversified the selection so that you find an appropriate one for each kind of carpentry and metalwork. Hence you will get drill bit sets suable with softwood, hardwood, metal, and plastic in the review list. 

Our selection is focused on the convenience and accuracy of the drill bit set also. So, you can be blindfolded and still choose the one you need- given the budget you have meets the requirements. So, we aspire you get the one countersink drill bit set you had been looking for so long. 

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