The Best Electric Die Grinder (Review) in 2020

The perfect tool for grinding is the die grinder. This tool is known as the jack of all trades, as...

Best Choice
Makita Die Grinder
Makita Electric Die Grinder
Premium Pick
Metabo Die Grinder
Metabo Die Grinder
Best Value
Hi-Spec Electric Die Grinder
Hi-Spec Electric Die Grinder

The perfect tool for grinding is the die grinder. This tool is known as the jack of all trades, as it offers a very versatile functioning system. It allows you to switch between tasks with ease, more frequently than any other product in today’s market. For this reason, we are recommending die grinders as the perfect addition to your household. Shopping for the ideal die grinder can be difficult because the products you see may not be precise. Some manufacturers also withhold information about specific products to promote more sales. To help you avoid the hype and make a worthy investment, we have highlighted the best electric die grinders, clearly describing their functions, strengths, and weaknesses.

The Best Electric Die Grinder

Makita is a well-known brand that prides itself in creating the best equipment. The Makita Die Grinder makes use of a powerful motor that delivers an optimum speed of up to 25,000 RPM. There is no load speed with this unit, and it is straightforward to handle thanks to its ergonomic build. 

The Makita die grinder is made with sturdy and rugged aluminum for more effective performance. Its robust housing is also made from aluminum for added durability, which is needed for every die grinder. To help direct exhaust air away from the user, this grinder unit features vent slots in the design. It also has a protective zig-zag varnish system, meant to seal the armature from debris and dust for longer tool life. The merging of user friendliness with excessive power makes the Makita grinder suitable for all grinding tasks.

Key Features
  • Easy-to-handle
  • Protective zig-zag varnish
  • Solid aluminum housing
  • Vent slots design
Specification
  • Brand Makita
  • Model GD0601
  • Weight 3.75 pounds
PROS

Powerful motor

AC/DC Switch

Sealed against debris

CONS

Fixed speed

Cord material is not as durable.

Bearing problems

The Dewalt Straight Die Grinder is like many others on the market with one difference. Where other grinders undertake a single grinding task, this unit is extremely versatile and delivers a wide range of functions. Such an ability offers the user more value for the money.

This grinder from Dewalt features a hard aluminum body for durability. It also features a touch control system that makes operation more innovative. Safety is not avoided with the design of this unit as it comes with a safety throttle lever system. The Dewalt grinder directs all exhaust away from the tool via the rear air exhaust system. Other features included in the design of this grinder are the ergonomically designed cushion grip, collets, and air inlets.

Key Features
  • Aluminum body design
  • Touch control trigger
  • Safety throttle lever system
  • Rear air exhaust
Specification
  • Brand DEWALT
  • Model DWMT70783
  • Weight 8 ounces
PROS

Convenient paddle switch

It handles professional grinding with perfection.

It delivers great power

CONS

Ergonomics could be improved

Single-speed

Can be a bit bulky

This is an excellent company. From its collection of die grinders, we have selected the Milwaukee Bare-Tool Rotary Tool. It is manufactured to withstand pressure, is very user friendly, durable, and worthy of the Milwaukee brand.

This straight grinder system features a motor that delivers immense speed and power. Another reason why we like this grinder is that it features a collet system that is highly compatible with all current rotary tools and accessories. If you want a lightweight and compact grinder for your daily grinding tasks, we recommend the Milwaukee grinder as it is only 9.5 inches long with a weight of 1.3 pounds.

Key Features
  • Easy to use
  • Durable
  • Manufactured in China
  • Powerful motor
Specification
  • Brand Milwaukee
  • Model 2460-20
  • Weight 1.15 pounds
PROS

Improved versatility

Essential accessories at close reach

It can be used with either DC or AC

CONS

Fixed speed

Cord material is not as durable

The Wen Rotary Tool Kit is a grinding unit made with a flex shaft for a more enjoyable performance. Wen created this grinder with the best materials to withstand regular use. This enhances the durability of the grinder and allows you to have more value for the money.

Another feature we appreciate is that the Wen electric die grinder has an onboard spindle lock. If you wish to undertake a task that requires intricate detail and precision, you want to attach the included flex shaft as this makes the grinder perform better with a little power. Make use of the 100-piece accessory set of bits included with your purchase. Some items found in the kit include polishing pads, sanding discs, mandrels, and many more.

Key Features
  • Perfect for cutting, deburring, grinding and more
  • Variable speed goes from 8,000 to 30,000 RPM
  • Includes a 100-piece accessory set
  • Onboard spindle lock
Specification
  • Brand WEN
  • Model 2305
  • Weight 3.4 pounds
PROS

It features a powerful motor

It is entirely sealed against debris and dust

It runs quietly

CONS

It needs to be oiled regularly

It sometimes spits water from the compressor

Quite loud

This is a heavy-duty unit. It is used universally by a broad range of individuals in homes and professional garages. The rotary kit is full of all needed accessories, such as wrenches, collets, and wheels. The No Cry tool kit comes with a storage case. It features ten attachments and a jaw chuck, which can be used in different ways.

The features of this die grinder unit are countless, and this adds to its functionality and durability. An essential element is how versatile the grinder is. The No Cry straight grinder is compatible with many rotary tool accessories, and it also delivers at high speed. It is ready to use out of the box with two unique replacement carbide brushes attached. The motor is a die-hard 170W system that enables you to work with plastic, wood, tile, and drywall without any issues. If your No Cry grinder doesn’t perform as well as expected, you’re at liberty to make a return for a full refund with no questions asked.

Key Features
  • Heavy-duty electric motor
  • Universal 3-jaw chuck
  • 10 Attachments
  • Storage case included
Specification
  • Brand NoCry
  • Model NRT-128AC
  • Weight 1.63 pounds
PROS

The ergonomically designed handle reduces operator fatigue

Quiet operation

Very little exposure to dust and debris

CONS

Less power than others

Stalls when the pressure level drops

The throttle needs some getting used to

We have another incredible product from Milwaukee on our list. This is the Milwaukee Fuel Die Grinder. Like many other grinders from this manufacturer, the fuel grinder is built from only the best materials. It operates with a brushless motor that delivers powerful performance for more extended periods. This is a special electric angle die grinder that allows you to do more then mill or polish. With the Milwaukee fuel, you can sand, polish, grind and saw thanks to the availability of different accessories. Some of the accessories include collets, wrenches, and wheels.

The Milwaukee grinder delivers a corded performance; thus; it may not be the ideal grinder for those who love to move around. A single charge offers you up to 20 minutes of unparalleled operations, which is more than enough for all your tasks.

Key Features
  • Power state brushless motor
  • Redlink plus electronic intelligence
  • Carbide burrs
  • Has no wearable components
Specification
  • Brand Milwaukee
  • Model 2784-20
  • Weight 4 pounds
PROS

It comes with 8 bits

High speed porting

Reduced noise level

CONS

The bits tend to wear out quickly

It takes up plenty of air

It does not include the user manual

The Metabo G Plus Die Grinding Unit is an exceptional product. The Metabo G Plus die grinder is made in Germany under careful supervision. It features top-quality materials that enhance its function and durability.

A single purchase includes a set of power tools and accessories, 120 in total, that make all tasks more doable within a shorter frame of time. All accessories are user friendly, so you won’t require any particular technical know-how to get your grinder to function. The Metabo G Plus grinder is a leading force in the household equipment industry and is backed by years of positive customer feedback. We recommend this unit for individuals seeking quality and reliability. 

Key Features
  • 8.5-Amp
  • 950-watt
  • High Torque Die Grinder
  • Variable Speed
Specification
  • Brand Metabo
  • Model GE 950 G PLUS
  • Weight 8.65 pounds
PROS

Durable ball-bearing

The sturdy construction

Front exhaust keeps the work surface clean

CONS

It needs to be oiled regularly

You may be required to invest in a moisture trap

Loud operations

The Hi-Spec Rotary Power tool stands tall when it comes to reliability, robustness, and durability. It can withstand constant pressure and excessive stress from continuous grinding. The Hi-Spec grinder is compatible with Dremel bits, and such versatility allows individuals to do as much cutting, grinding, and polishing as needed.

This electric die grinder comes with a set of 120 different accessories, which makes your work more enjoyable. Some of the items included are sanding drums, felt wheels, collets, wrenches, and diamond wheel points. All operations are controlled by an extensive motor system with speed control. The ability to adjust speeds enables the user to grind and polish to perfection, depending on the item they’re working with. With the Hi-Spec rotary tool, you’re guaranteed the perfect speed when sawing, cutting, grinding, and sanding.

Key Features
  • 120 piece bits’ accessories kit
  • Multi-purpose
  • Big motor with speed control
  • Compatible with Dremel accessories
Specification
  • Brand Hi-Spec
  • Model DT30305-US
  • Weight 2.15 pounds
PROS

high heat resistant vent slots for a better performance

It is entirely sealed against debris

It runs quietly

CONS

Fixed speed

Cord material is not as durable

Best Electric Die Grinder Buying Guide & FAQ

Features to Look for in an Electric Die Grinder

There are a few considerations that should be made once you establish the nature of your grinding job and your need for a die grinder. To purchase the perfect blender, you need to consider many other factors apart from price and brand, as these aren’t the most significant considerations to determine the function of your unit.

  • Power Source

Grinders come in different forms, namely the cordless, corded electric, pneumatic, and many more. Your personal preference will determine the choice you make. Electric corded models are more expensive than all other types, while the cordless allows you to work from any location with ease.

  • User friendliness

Every grinder you select should be very easy to use. The best way to figure out the functionality of a grinder will be to study the unit in connection with its specifications and also to read through existing product reviews.

  • Speed control

Die grinders mostly operate at full speed, and this is primarily dependent on the nature of your work surface. Soft surfaces such as wood boards will require a slower rate than harder surfaces; thus, you need to know the type of surface you will be working with, before making the final decision.

  • CFM and PSI Ratings

If you’re into pneumatic grinders, these rating systems will be of importance to you while searching for the best die grinder. At the correct psi, you should ensure that your compressor can provide enough CFM or pressure level. This will help determine how well your grinder will work.

Related Posts: Bench Grinders and Angle Grinders

Man grinding metal

Why You Should Invest in Electric Die Grinder

  • Electric die grinders are very easy to use. This is because they are manufactured with powerful motors that can operate longer than the regular, manual grinders. The use of an engine also means that you get to work faster and undertake more tasks.
  • Another benefit of the electric grinder is that they come with accessories for versatile usage. This means that a single purchase allows you to do more than grinding. Some other tasks you can undertake include smoothing, sanding, and polishing.
  • Electric grinders may be expensive, but they last longer than manual grinders. Manual grinders come with fixed parts that can wear off quickly, while electric grinders feature replaceable parts that can be removed and changed as and when it’s required.
  • Finally, the electric grinder helps in time-saving for other activities. They enable you to work faster and cover more surfaces within a shorter period, as they don’t require a lot of human effort to operate.

Electric vs. Pneumatic Die Grinder

The two significant types of die grinders are pneumatic and electric. These models vary in construction and function deliverance; thus, they’re required for different purposes and tasks. It should be noted  that none of them is more potent than the other. The electric grinders work with power cables while pneumatic grinders use an air hose that runs with a compressor system. The electronic unit is the best unit for those who want to work from different locations, provided each site comes with electrical current. The pneumatic grinders make use of a compressor unit that works with air pressure. The use of a compressor means you have to wait for the compressor to refill before undertaking other tasks.

Best Electric Die Grinder FAQ:

Q: Is it possible to cut metal with a die grinder?

A: Certain types of metal can be cut with a die grinder. It should be noted that not all metals can be reduced. To find the types of metals your grinder can cut, we recommend you read specifications and reviews from customers.

Q: How do I use die grinder?

A: Die grinders are comfortable and straightforward to use, depending on the model you opt for and your intended purpose. Die grinders are typically used to remove excess metal from surfaces, make surfaces smoother and grind down some ore. To begin the operations, you need to switch on the grinder and make contact with the surface gently. The gentle procedure will allow all excess metal to grind away, leaving you with a smoother surface. Before use, you need to employ safety gear such as safety glasses for your eyes, to keep debris away.

Q: Should I oil my die grinder before every use?

A: Before using your grinder, you’re advised to apply oil. This doesn’t mean the oil should be in large amounts. As much as possible, pour a few drops of oil in the air intel of your grinder, before and after use. This keeps your product functional and prevents weakening of its parts.

Die Grinder

Our Top Pick

Our article on the best die grinder is not complete without another mention of the best choice grinder, the Makita Die Grinder. Out of all available models, this product reigns supreme with its outstanding performance and impressive durability. It features the highest power, made possible by the use of an incredible motor. The Makita grinder is built with robust aluminum, which ensures its durability. It also features a user-friendly operation that attracts many potential buyers.

Sources:

  1. Die grinder – Wikipedia
  2. 4 Best Uses for a Die Grinder – Do It Yourself