Last updated: 17/10/2022

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Are you tired of changing tools constantly just because your drill doesn’t work with large bits? Few things in life are more annoying than having to get a new tool every other month to complete a single task. If you want to get rid of this common problem, all you need is a drill chuck.

These accessories are essential if you plan on working with drills frequently. They will turn your tool into a truly multifunctional one, improving your ability to drill and screw at will. If you are thinking of getting your drill chuck, we will tell you everything you need to know in the following article.

Key Facts

  • These accessories will make your drill even more useful. For example, small battery-powered models that cannot typically handle large drills can if you add a chuck.
  • You can find different models of drill chucks depending on the shape and design of the shaft. Each type and size is tailored to a specific drill. Luckily for you, there is a wide variety of models available out there.
  • The locking mechanism is a crucial criterion to consider when buying your chuck. The most common types are the manual jaw key and the automatic SDS (Special Direct System) system. While the latter is more comfortable and faster to use, the key mechanism is more secure.

Our Selection: The Best Drill Chucks

The drill chuck is a handy and simple accessory, and you will find dozens of different models on the market depending on the type of drill you have at home. Certain chucks are designed for drill presses, while others are tailored to regular handheld drills. In the following section, you will discover our very own selection of the best models currently available out there:

Shopping Guide: Everything You Should Know About Drill Chucks

We know just how unpleasant it is to stop working in the middle of a DIY task to change tools. It’s a waste of time and finding the right one can be difficult if you don’t keep them organized. Getting your own drill chuck will prevent all this from happening. In the section below, we have answered the most frequently asked questions regarding these accessories so you can choose the right model for your needs.

Un chico trabajando con un taladro

Chucks are essential to make the most of your drill.
(Source: kzenon: 45826214/

What is a drill chuck exactly?

This cylindrical tool is designed to hold the drilling and impact bits of your drill, as well as screwdriver tips. The quality of the chuck will determine how stable it is as you work, the better ones giving you greater control over your tool. Chucks tend to be used to attach larger bits to the drill, generally measuring between 3 and 25 millimeters. These accessories are as versatile as they are simple to operate, and you can use them in both domestic and professional environments.

Why should I buy a drill chuck?

There are two situations for which you will be glad to have a drill chuck in your toolbox. The first one is if your drill bit or tip isn’t compatible with the drill you have. The second is when the drill bit is larger than the capacity of the tool’s chuck.

Regarding the compatibility, you have to take into account the locking mechanism of your drill. As we mentioned earlier, the two main types are the standard and the SDS (Special Direct System). Keep in mind that a standard drill chuck won’t be compatible with an SDS drill and vice versa.

Una pareja montando un mueble

SDS drills and chucks offer increased stability and improved torque.
(Source: rawpixel: 98003183/

What is the SDS system?

SDS stands for ‘Slotted Drive Shaft’ or ‘Special Direct System’, depending on the manufacturer. This quick-locking mechanism is much more efficient when it comes to drilling holes in hard materials, as it consists of grooves that slide through the chuck upon impact.

Besides, SDS drills and chucks offer greater stability and improved torque. Developed by German company Bosch in 1975, this system came as the answer to the problems of construction workers when drilling hard materials. Today, all brands have adopted this system, with Hilti further improving it.

What are the advantages of SDS chucks?

As we just mentioned, this mechanism was created to facilitate construction tasks on hard materials. This system, as well as the more recent SDS Plus, prevents the drill from skidding on the material. You can compare the pros and cons of these drill chucks in the table below:

  • The drill performance is superior to when using conventional chucks.
  • They are compatible with a wide variety of bits and other accessories.
  • You can change the drill bit with one hand.
  • They offer a higher torque transmission.
  • The main drawback of SDS chucks is that they tend to lose precision.
  • Low-quality chucks can loosen during use.

What chuck do I need for my drill?

The drill chuck you need depends on two factors: the type of drill you have and the bit you want to use. The latter is itself determined by the material you are working on since you will need different bits for drilling metal, wooden, or concrete surfaces.

Regardless of the type of drill chuck you opt for, you should bear in mind that certain products feature a reversible mechanism. This allows you to screw and unscrew without having to reverse the rotation of the drill. Delving deeper into the different types of chucks available, you will find:

  • Manual fitting: This is the oldest system and the most commonly found in more affordable, domestic drills. Simply use the key to adjust it.
  • Keyed fitting: This type of fitting is found on more powerful, professional drills. It comes with a smaller key that provides a better adjustment and grip.
  • Semi-automatic fitting: You need both hands to close it, one holding the top and the other turning the bottom to tighten or loosen the drill chuck.
  • Automatic fitting: With this more advanced version of the previous type, you only need one hand to adjust the mechanism.
  • SDS chuck: This system is most often found in hammer drills. It is the simplest and allows you to place bits in a matter of seconds. Note that you will need an SDS Plus chuck for working wooden and metal surfaces.
  • Hexagonal chuck: Battery-powered drills use this magnetic connection. Pull the chuck forward to place your drill bit, then release it.

Are manual or keyed chucks better?

This is a fundamental question that you need to ask yourself before making your purchase. As you can imagine, it will depend on several factors. First of all, the type of drill you have will influence your decision. The keyed chuck offers greater security in terms of locking, but you need both hands to operate it and the key close by at all times.

The manual chuck, on the other hand, requires more strength from the user, but you can easily work it with one hand. To sum things up, you should think about how you want to use your chuck, the level of productivity you need, and your type of drill before making your purchase.

Una mujer trabajando con un taladro

If your drill features a conventional locking mechanism, the use and efficiency of your chuck will depend on its fitting.
(Source: Kitz Corner: 92982862/

How do I change my drill chuck?

This might be a bit tricky at first if you have never changed a drill chuck in your life. That being said, bear in mind that this accessory is designed to speed up the process of changing bit, and it will quickly make your life easier once you get the hang of it. Here is a step-by-step guide to change your drill chuck:

  1. Preparation: Open the chuck as much as possible and choose the drill bit or screwdriver tip you want to use.
  2. Removal: Loosen and remove the drill bit you were using.
  3. Insertion: Place the new chuck and close the drill’s mandrel. How you do this will depend on the type of mandrel your tool has. Make sure that the drill chuck is stable and steady on the shaft.
  4. New bit: Once your new chuck is securely inserted, insert the drill bit or tip that you want to use.

Shopping Criteria

While drill chucks are truly basic accessories, we’re sure you have realized just how much they can facilitate your life. Not only will they improve the capabilities of your drill, but they also prevent you from having to switch tools so frequently. In the final section of our article, we will look at the main purchasing criteria to evaluate if you want to make the best possible decision:

Standard vs SDS

This should be the very first aspect that you look into when choosing a drill chuck. Remember that you cannot choose based on your preferences but rather the drill you have at home. Tools with a normal locking mechanism (manual, keyed, or automatic) need standard chucks, while SDS drills require their own chucks.

The SDS system is faster, easier to use, and requires virtually no effort on your part. You will be able to insert and change bits and tips with a single hand. Their biggest drawback is that they are only compatible with hammer drills. Fortunately for you, you can now purchase SDS Plus models suitable for both metal and wooden drills.

Locking Mechanism

If your drill features a standard locking mechanism, the type of fitting you choose will affect the use and effectiveness of your chuck. You will find automatic, semi-automatic, keyed, hexagonal, or fully manual models on the market. Your needs, personal tastes, and budget will naturally play a role in your decision.

The hexagonal fitting is only compatible with battery-powered drills. For conventional electric drills, we recommend that you buy a drill chuck with a keyed mechanism. It will allow you to close and tighten the drill more securely, ensuring the best results possible. Remember that this system requires you to keep the key handy.

Drill Chuck Diameter

This is another crucial factor that you cannot overlook. Before you make any purchase, start by checking the diameter of the drill chuck you are interested in. This will give you an idea of its capabilities and the range of bits that you will be able to use with it. Remember that the diameter doesn’t only refer to the shank that fits in the drill, but also to the opening diameter for the drill bits.

In that regard, the diameter of a drill chuck cannot be much larger than the diameter of your drill shaft. The greater the latter is, the more power the drill will require to operate. You could end up burning out the motor if you go for an excessively large diameter, so don’t neglect this key criterion when making your purchase.


The manufacturing material of your drill chuck is another essential aspect. The vast majority of them are made with metal alloys and cast iron or high-speed steel shafts. We strongly advise that you choose a product with top-quality parts so that it doesn’t get stuck when opening or closing it. Drill chucks with automatic locking mechanisms should feature an easy-to-handle nut.

A resistant metal alloy should also be used for the shank (or shaft) of the chuck. Note that most are made with high-speed steel. Since it is the shaft that you introduce into the drill and that has to withstand the pressure of the work, its resistance and durability are essential. Many poor-quality drill chucks cannot sustain continuous work, and their shafts break easily.

Comfort of Use

The primary function of a drill chuck is to prevent you from having to change tools so frequently. In other words, these accessories are specifically designed to make all your DIY and construction work lighter and more comfortable. Whether you have difficulties closing it or your chuck simply doesn’t work well, then you have purchased a tool that isn’t right for you.

As we have discussed throughout our article, the SDS mechanism is the most practical of all. It will allow you to change the drill bit or tip you are using with a single hand, on top of providing a more stable grip. The only real drawback that this system has is that you cannot use it unless you have an SDS drill. As for the other mechanisms available, we recommend you opt for either a keyed or semi-automatic model since both offer enhanced stability and grip for your drill.


Without a good chuck, your drill is a single-function tool with untapped potential. This is why these accessories have become so popular among DIY enthusiasts and professionals alike. You need to know how to put set it up and take it off, as well as which fitting type is most suitable for your drill. Luckily for you, our article has told you everything you needed to know about these tools.

Not only have we answered the most frequently asked questions regarding drill chucks, but we have also detailed the main shopping criteria for you. These include the opening and shaft diameter, the locking mechanisms, or the compatibility of the SDS system. The time has now come for you to go out there and pick the perfect model for your needs!

We hope that you found our shopping guide on drill chucks informative. If so, feel free to leave us a comment in the section below. You can also share this article on your social media for others to learn more about these great tools.

(Source of featured image: Григорьев: 32091622/