Die Grinders are small and compact grinding tools that use different bits for different kinds of applications while grinding. Since these come in both electric as well as pneumatic, there are a lot of models out there. Hence, you should consider these factors before buying one:
- Collet Size: The collet size of a die grinder tells you about the size of bits that you can use for grinding. Usually, die grinders have a collet size of ¼ inch that is quite common, and you can find a wide range of bits for this size.
- Power Type: While some of the die grinder models out there are pneumatic, others might be electric as well. Both of these have their own benefits as electric ones are cordless due to battery power, pneumatic ones are generally cheaper but need an air compressor to work.
- Power Rating: If you are buying an electric die grinder, then you can find its power rating given in volts as 18 volts or 20 volts. On the other hand, pneumatic die grinders have motor power rating as ¼ HP or ½ HP. In both these cases, a higher power rating results in better performance for the user.
Today, we are here with the best die grinders, along with their major features and options. You can also find a detailed Buying Guide mentioned at the end of this article. In other words, you can go through this article until the end and choose the perfect die grinder for you:
Best Die Grinders
| Die Grinder | Collet Size | Power Type | Warranty | Buy Now |
|---|---|---|---|---|
| Dewalt Die Grinder | ¼ inch | Electric | 3 year | Check the Price |
| Milwaukee Die Grinder | ¼ inch | Electric | 5 year | Check the Price |
| Ingersoll Rand Die Grinder | ¼ inch | Pneumatic | 1 year | Check the Price |
| Makita Die Grinder | ¼ inch | Electric | 1 year | Check the Price |
| Astro Pneumatic Tool Die Grinder | ¼ inch | Pneumatic | 1 year | Check the Price |
| Aircat Die Grinder | ¼ inch | Pneumatic | 1 year | Check the Price |
| Chicago Pneumatic Die Grinder | ¼ inch | Pneumatic | 1 year | Check the Price |
7 Best Die Grinders Reviews
1. Dewalt Die Grinder
Dewalt is a mainstream brand of power tools out there that makes various electric models, including its die grinder model mentioned here.
The Dewalt DCG426B die grinder is present in the 1st position in this article as it offers a high value for money when compared with other electric die grinders out there. This is due to the reason that you get a lot of things for your given money. As per its name, it uses a 20-volt battery system that is quite powerful for most users out there.
Its battery system powers a collet size of ¼ inch that is quite universal and allows you to fit a number of bits without any issues. Another great thing about this die grinder is that it comes with excellent built quality. You also get a 3-year long warranty with it that is not found in most other die grinder models out there.
Best Features:
- Power rating of 20 volts
- Collet size of ¼ inch
- 3-year long warranty
- Inbuilt LED lights
- Offers a variable speed trigger
Pros:
- Great value for money for an electric die grinder
- Offers high performance with a 20-volt battery system
- Comes with various controls and adjustments
Cons:
- A bit large and heavy
2. Milwaukee Die Grinder
Milwaukee is one of the most trustworthy power tool brands out there that make highly durable and reliable products.
Milwaukee’s 2784-20 die grinder is present in the 2nd position in this article as it is the most durable and reliable option mentioned in this article. It offers an excellent build quality to the user that is much better than others. Since you also get a 5-year long warranty with it, you can expect it to last for a long time without any issues.
As for its performance, it is powered by an 18-volt battery system that offers decent performance. Because this die grinder uses a brushless motor, it is highly silent and a perfect option for powering its ¼ inch collet.
Best Features:
- Power rating of 18 volts
- Collet size of ¼ inch
- 5-year long warranty
- Brushless motor
- Excellent build quality
Pros:
- Most reliable and durable die grinder mentioned here
- Offers decent performance with the 18-volt battery system
- High grip and ergonomic handle design
Cons:
- Slightly on the expensive side
3. Ingersoll Rand Die Grinder
Ingersoll Rand is quite popular among power tool users, as seen by its high user rating, as seen in its die grinder offering.
This Ingersoll Rand 3101G die grinder is present in the 3rd position in this article as it is the cheapest option present in this article. And even though it has a budget price tag, you get various things with it that results in a high value for money while using this die grinder. As you can expect by its name, it is a pneumatic die grinder that results in the lower price tag.
You get a ⅓ HP motor with this die grinder that is powered using an external air compressor. It is able to offer decent performance to the user for all kinds of required applications. As for its warranty, you get a 1-year warranty that is great for the given price. Although its build quality is a bit on the average side.
Best Features:
- Power rating of ⅓ HP
- Collet size of ¼ inch
- 1-year long warranty
- Rear exhaust for ease of use
- Ergonomic grip design
Pros:
- Highly affordable die grinder for a high value for money
- Great performing ⅓ HP pneumatic motor
- Offers a 1-year long warranty for peace of mind
Cons:
- Build quality is on the average side
4. Makita Die Grinder
Makita is one of the more premium and expensive brands of power tools that is known for making electric power tools.
The Makita GD0601 die grinder is another option if you are looking for an electric model. Although, this one is not battery powered and requires a power socket to work. Thankfully, it can work on both AC as well as DC electric current using its inbuilt AC/DC switch for ease of use. This motor is able to go up to 2500 RPM that should be more than enough for most users out there.
Moving on, Makita offers an excellent build quality with its die grinder that is always great to have. You even get a 1-year long warranty with it that is always great to have. Since Makita uses a ¼ inch collet in this die grinder, you can easily use all kinds of bits with it without any issues.
Best Features:
- Power rating of 25000 RPM
- Collet size of ¼ inch
- 1-year long warranty
- Offers an AC/DC current switch for ease of use
- Small and compact design
Pros:
- High performance 25000 RPM motor
- Great built quality with aluminum housing
- Works with both AC as well as DC electric currents
Cons:
- Tethers the user with a power cord
5. Astro Pneumatic Tool Die Grinder
As you can tell by its name, Astro Pneumatic Tool makes pneumatic power tools just like its die grinder model mentioned down below.
Astro Pneumatic Tool’s 219 die grinder is a complete kit that comes with a total of three pieces. It includes a total of two die grinders where one is a straight one, and the other one is a right angle one. Thankfully, both of these tools have very similar performance, and you can use either of them without any issues. You also get an 8 piece rotary burr set along with this die grinder kit.
Both of these die grinders are pneumatic ones, which means that you need an air compressor to use them. Just like most other options out there, both of these die grinders come with a 1-year long warranty. That being said, the build quality could have been much better.
Best Features:
- Power rating of ⅓ HP
- Collet size of ¼ inch
- 1-year long warranty
- Kit of 3 pieces
- Comes with 8 rotary burr set
Pros:
- Complete set with two tools and a burr set
- Decent performing pneumatic tools
- Offers both straight and right-angle tools
Cons:
- Build quality could have been better
6. Aircat Die Grinder 
Aircat is a comparatively new brand of pneumatic power tools out there that also makes a die grinder for various kinds of applications.
This Aircat 6255 die grinder is one of the most powerful pneumatic tools present in this article. It is able to offer high levels of performance as it is a pneumatic die grinder that can be used with a high-pressure air compressor. Once connected, its motor can go up to ½ HP that is quite good for most users out there.
You get a motor speed rating of 20000 RPM from this motor that is quite great for the given price. As for its warranty, it features a 1-year long warranty that is quite similar to most other options out there. Unfortunately, the build quality is not the best, and you can find much better options at this price range.
Best Features:
- Power rating of ½ HP
- Motor speed of up to 20000 RPM
- Collet size of ¼ inch
- 1-year long warranty
- Weighs 1.1 pounds
Pros:
- High-performance pneumatic die grinder
- Offers a small and compact design
- Right angle die grinder for ease of use
Cons:
- Poor build quality
7. Chicago Pneumatic Die Grinder
Chicago Pneumatic is another brand of power tools that makes pneumatic models that are generally quite affordable.
The Chicago Pneumatic CP875-22 is another die grinder that is on the affordable side and makes for a great option for users who are on a budget. It uses a ¼ inch collet that is the same as every other die grinder present in this article. You also get a high motor speed of 21000 RPM with this die grinder that should be more than enough for most users.
As you would expect, it comes with a 1-year long warranty along with a decent build quality. Although it is a bit heavy and on the larger side, that can be an issue for users looking for an ergonomic power tool.
Best Features:
- Power rating of 21000 RPM
- Collet size of ¼ inch
- 1-year long warranty
- Affordable price tag for users on budget
- Right angle die grinder for ease of use
Pros:
- Decent performance pneumatic die grinder
- High value for money with budget price tag
- Right angle pistol grip for tight spaces
Cons:
- A bit large and heavy
Buying Guide for the Best Die Grinders
Although, since some of you might still be confused, we are here with a detailed buying guide just for you. You can find all of the important details and factors related to die grinders that should be considered before buying one. Thus, make sure to go through this buying guide till the end before buying any die grinder:
1. Collet Size
The collet size of a given die grinder simply tells you about its supported bit size. In other words, it is basically the chuck size or the hex size of a die grinder. You can find the collet size rating of die grinders in inches that is quite similar to other power tools out there. Generally, the collet size includes options like ¼ inch or ⅝ inch.
But as you would have seen all of the options present in this article have a collet size of ¼ inch. This is due to the reason that ¼ inch is a common size. This means that you can find a wide range of bit options while going with such a die grinder. It allows you to use a given die grinder for a lot of applications and usage as per your needs.
2. Power Type
If you are familiar with power tools like die grinders, then you must know that these can be powered in various kinds of ways. Although, for die grinders, this includes the options for going with either an electric die grinder or a pneumatic die grinder. But since both of these options are quite good, you should consider both of them before buying a die grinder.
When compared with each other, an electric die grinder is much easier to use and makes for a more practical option. This is due to the reason that an electric die grinder uses batteries for its power that makes it completely cordless and easy to use. Although, these are generally on the expensive side. Compared to this, a pneumatic die grinder is much cheaper and cost-effective that makes for a great pick for users who are on a budget.
These are able to offer very similar and even higher power compared to electric ones in some cases. But as you would expect, such pneumatic die grinders need an air compressor to work. This also tethers you down due to an air inlet hose used by such pneumatic die grinders.
3. Power Rating
Whether you are buying an electric or a pneumatic die grinder, checking its power rating is quite important. This is to ensure that you do not get any performance issues while using a die grinder for your grinding needs. For electric die grinders, this rating is given in volts as 18 volts or 20 volts.
On the other hand, pneumatic die grinders have their motor power mentioned in HP as ¼ HP or ½ HP. As you would expect, for both pneumatic as well as electric die grinder, a higher power rating results in better performance. Therefore, if you wish to use a die grinder for heavy-duty usage, then you should get one that offers a high power rating and works perfectly for your desired application.
4. Size and Form Factor
A die grinder is essentially a handheld power tool due to its size and form factor. As you would expect, it makes them highly practical and handy for using in small corners and tight spaces if needed. Therefore, you should get a die grinder that is small and compact in terms of its form factor.
Another great thing about such die grinders is that they do not take much space in your garage or tool kit for storage while you are not using them. Just like the size, the weight of a given die grinder is quite important to check. Generally, any lightweight die grinder can be used for a long time without much of an arm strain.
5. Warranty
If you want to buy a die grinder that lasts for a long time without any issues, then you should get one with a long warranty period. Generally, these die grinders come with a 1-year long warranty. But in some cases, you can even find options with a 3 year or even a 5-year long warranty.
Apart from the warranty, the build quality of a given die grinder plays another important role while looking for reliable and durable options. This is due to a simple reason that well-built die grinders that come with a long warranty duration are highly reliable and last for a long time.
Conclusion
While there are various ways of grinding a given object or surface, a die grinder is usually an easy to use option. Apart from being highly compact and small, you also get decent performance from these die grinders along with various features. You can learn more about these features by going through the best grinders mentioned in this article.
We have even mentioned all of their details, along with a detailed buying guide. This buying guide has various factors and aspects related to die grinders. And if even that is not enough for you, here are some of our recommendations that you should consider before buying a die grinder:
- The Dewalt die grinder is the best value for money option present in this article. Not only does it have a powerful 20-volt electric power system, but you even get a 3-year long warranty with it that is always great to have.
- But if you just want durability and reliability, you can go with the Milwaukee die grinder as it offers an excellent build quality. Its 18-volt power system also comes with a 5-year long warranty that is the best when compared with other options out there.
- If you are on a budget, you can go with the Ingersoll Rand die grinder as it is the cheapest option present in this article. While it is a pneumatic one, its ⅓ HP motor should be more than enough for the given price.
Make sure to share your thoughts in the comments section. You can also post any questions down there if you have any!
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