Best Variable Speed Bench Grinders

how to use a Bench Grinder

A variable speed bench grinder is a popular tool that strives to achieve the highest level of quality in its work. It is versatile and can be used skillfully for many different projects: variable bench grinder rust, polishing, and heavy cleaning.

Speaking of variable speed bench grinder, “you're as good as the tools you're using,” without the right tools, it will be difficult for you to perform your actions and do your job. Therefore, you should get a variable bench grinder that meets your needs and requirements.

Fortunately, we have carefully included the key considerations that should be considered before splitting the variable bench grinder speed. We also reviewed some popular options to make your search for “speed” much more comfortable. The models listed below are selected based on performance, variable bench grinder, durability, economy, and ease of use. Without overcoming the bushes more, let's take a look at our top selection!

A Comparison of our Top 3 Picks





3600 RPM


Jet 577102

3450 RPM


WEN 4286

(Best for the Money)

1750 RPM


Best 3 variable speed bench grinder

1. DeWalt DW758 Bench Grinder

DEWALT DW758 bench grinder


Running on a ¾ HP induction motor, the DeWalt DW758 bench grinder provides you with enough torque to turn its 8-inch grinding wheels.

And despite its power, it’s still quite compact and doesn’t occupy that much space.
So whether you’re going to do resurfacing or polishing, your work will be done effortlessly.Furthermore, the DeWalt DW758’s bench grinder motor is capable of spinning its wheel at 3,600 RPM speed –a number that’s superior to most bench grinders of its price level.

This means that its action is much quicker and seamless no matter the workload.

Grinding Wheel

The DeWalt DW758 bench grinder comes with two 8-inch grinding wheels that are ready to take on heavy-duty work.

Combine that with the big arbor width that gives you the ability to work with larger stock and tools and you get all the versatility you need.

Moreover, they’re quite solid and firm, so you won’t experience any vibrations or instability.

The machined-aluminum tool rests are made from solid blocks and therefore provide the best stability for the most accurate results.

Also, there's a big gap between both grinding wheels that measures 12.5 inches and allows you to work with larger projects without facing any issues.

Debris Exhaustion and Noise

To get rid of any dust and debris and to keep your work area clean, there’s a rear exhaust pipe that evacuates all the resultant debris.

However, the DeWalt DW758’s noise-control isn’t as good as its dust collection.

This is especially true if you're grinding metal or working it at full load. Nothing that a pair of earplugs wouldn't fix, however.


The DeWalt DW758 bench grinder comes with a pretty sturdy base that’s made from solid cast-iron and provides you with sufficient surface area for rigidity and stability.

With the inserts, you can even bolt it to your workbench or your floor for maximum stability even with large workloads.


As for the safety precautions, the DeWalt DW758 bench grinder comes with a clear view spark protector which you can adjust to get the optimal visibility and protection.

However, there's no working light provided with this model.


  • Powerful and reliable motor that doesn’t stall

  • The fast speed that's capable of sharpening any material

  • Protective and transparent guard

  • A cast-iron base that can be bolted to the floor

  • Improved accuracy thanks to the sturdy tool rest


  • Doesn’t have a work light

Bottom Line:

If you do professional woodworking using a bench grinder, the DeWalt DW758 is one that offers excellent performance at an affordable price.

You can use this best 8-inch bench grinder to efficiently sharpen your tools and resurface materials

2. Jet 577102 Bench Grinder

Jet 577102 bench grinder


Rated for heavy-duty operations, the Jet 577102 bench grinder comes with a 1-HP (8 AMP) motor that can spin its wheels at a speed of 3,450 RPM –which is more than sufficient for most DIY jobs and light to medium-duty tasks.

Moreover, its operation is very smooth as it comes with pre-lubricated ball bearings that are completely enclosed and keep the spindle rotating.

Grinding Wheel

You get two 8-inch wheels: a 36-grit one and a 60-grit one. The former helps you work your way around rougher edges while the latter suits more delicate tasks.

Debris Exhaustion

The dust collection ports do an effective job of keeping all the debris away from your working area.


The Jet 577102 isn’t the most compact or lightweight grinder around, so while it’s not very portable, it sits sturdily on whatever surface.

Additionally, its heaviness reduces the vibrations during operation.


Moreover, the spark guards and eye shields are quite large and easy to adjust, so they provide you with the safety needed to work seamlessly.


  • Sturdy performance with a 1 HP reliable motor
  • Adjustable eye shields
  • Effective dust exhaustion
  • Guarded heavy-duty toggle switches
  • Fully enclosed unit


  • Wobbly wheels
  • Heavy
  • Quite pricey

Bottom Line:

Although a little high in price, the Jet 577102 gives you amazing value in return. With its premium-build quality, reliable motor and operating speed, it’s a top-notch long-term choice.

3. WEN 4286 Bench Grinder

WEN 4276 bench grinder


The WEN 4286 bench grinder runs on an impressive 3 HP motor, however, its grinding speed is lower than average at only 1,750 RPM.

That doesn’t mean that it underperforms as it’s the best slow speed bench grinder that allows you to work with tougher materials with the smoothest performance.

It does a great job at deburring ragged edges, sharpening, and cleaning objects.

Grinding Wheel

With the WEN 4286 bench grinder, you’ll get two 8-inch diameter wheels so that when one starts getting worn out, you can replace it with the sharper extra.


Maintaining solid performance without any movement on any surface is made possible thanks to the sturdy base.


The protective glass of this grinder safeguards you from any debris or dust that may come flying off.


  • Powerful motor
  • Comes with a spare wheel
  • Easy assembly and set up
  • Able to handle very tough materials
  • Safe to use


  • One of the slowest grinders
  • Can’t handle heavy-duty tasks

Bottom Line:

Although the WEN 4286 bench grinder is a slower grinding machine, that’s the main purpose of its operation. The slow speed with the powerful motor enables the grinder to cut through tougher materials.

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