The key variations between a bench grinder and an angle grinder are found in individual properties like size, weight, and speed.  

Choosing the right grinder for the job to deliver the right results can be confusing. Or is it? A bench grinder, just like its counterpart, is a useful tool for grinding purposes. Despite their differences, these power tools have similar attributes and usages.

This guide will examine the key differences between an angle grinder and the bench grinder. So continue reading; 

We are going to look at:

  • Properties and key differences 
  • Pros and cons of a bench grinder
  • Pros and cons of an angle grinder
  • Which one should you use
  • Final words

Bench Grinder vs. Angle Grinder

8 bench grinder

When handling a large project, it’s easier to conceal blunders and harder to ruin the entire work. However, a small job like a DIY requires precise work around less material. 

Therefore, the size and precision of the job will significantly determine the type of grinder to use. Here are the key differences.

#1. Function 

Each grinder is for a specific purpose, but they all have a similar function – grinding. However, the tools can be used in different operations.

Bench grinders will sharpen any dull blades, and smooth the edges of objects, resize and refurbish any rusted parts of a metal. You can also use the tool to horn and shape or remove burrs in casting. 

On the other hand, an angle grinder is a versatile tool in your kit that allows you to grind and cut excess material in a workpiece. It’s also used for polishing material, making it an excellent choice in metalwork and woodwork. 

#2. Grinding Wheels

The type of grinder wheel determines which job is most suitable with a bench grinder. The tool includes two wheels with one wheel treated with coarse grit and the other with a finer grit. You can add different wheels to the grinder to increase versatility.

The different types of bench grinder wheels include; coarse grinding, buffing, wire brush, and fine grit. The tool is handy for shaping, honing, and buffing.

The wheels are often fragile, and it’s advisable to place the bench grinder in a quiet corner of the workshop. You can avoid costly replacements from accidental damage.

Similarly, angle grinders are multipurpose tools that allow individual wheel usage at a time. For instance, you can put a sanding disc and use it as a sander. It’s best used for polishing and cutting with an abrasive disc.

#3. Wheel Speed 

The wheel speed is the main factor that determines the difference between bench grinders and angle grinders.

An angle grinder comes with a universal motor with wheels that run at high RPM ratings of 8000 to 12000 RPM. 

Also, it can drive small grinding discs to profile material. It’s best for coarse work like carving steel and polishing jagged edges and jobs where there’s some room to operate. 

On the other hand, bench grinders include an induction motor and runs at a much lower speed, around 3000 to 3500 RPM. It’s intended to drive relatively large abrasive disks for intense molding of metal.

It’s also a handy tool for fine works like burnishing handles, sharpening a chisel, plane irons, and axes. Caution should be taken when operating the tools by not exceeding the maximum operating speeds to prevent the risk of injury to the operator.

#4. Design 

The tools come in different designs. Angle grinders are smaller than bench grinders and can fit in your hand, providing a great deal of mobility.

Angle grinders include an ergonomic handle and firm grip that makes it easy to maneuver a workpiece and gives it support to minimize vibrations. Make sure the grip is comfortable and easy to handle.

Conversely, bench grinders include a bench-top type design with a base that allows it to sit on a worktop to reduce vibrations when working. It comes in the size of a shoebox and available either as a 6 inch bench grinder or 8-inch bench grinder model. Make sure you get the size that works best with the project you have in mind.

Therefore, unlike angle grinders, which include a handheld option, bench grinders don’t offer flexibility.

#5. Weight 

Angle grinders weigh significantly less than bench grinders, which make them easy to carry. They also come with one wheel, which weighs between 7-8 pounds, making it lightweight. 

On the other hand, a bench grinder includes a cast-iron base, which is a heavy metal. The extra weight allows this power tool to handle a lot of pressure to hone even the most challenging materials, thanks to a stable support. 

#6. Users

Bench grinders and angle grinders require skilled utilization to avoid the risk of injury.  

A bench grinder is a powerful tool commonly used in workshops. It works well when it’s rounded to some extent, with an elevated point in the middle. So, get a flat diamond dresser and fashion the edges for a smooth, gentle curve. 

Conversely, an angle grinder can perform a range of tasks but chiefly limited by the attachments you buy for it. Although they aren’t overly powerful tools, you can cut steel rebar and other large projects with the right attachment.

Thus, angle grinders are commonly used in DIY projects to polish tools, remove rust and grit. You’ll need to use both hands to keep them under control, and most come with a second handle to remind you.  

#7. Portability 

Bench grinders come with two wheels and a bulky cast iron base giving them little mobility and challenging when maneuvering but useful in a workshop. Thus, the tool stands in a fixed place when cutting, sharpening, or polishing material.

On the other hand, angle grinders are lightweight, handheld machines that a user can move from one workplace to another. The device is easy to use and an excellent choice for beginners and DIYers. 

It’s also comfortable to maneuver, especially if you want to work on hard-to-reach spots and material that requires finesse.  

The Pros and Cons of a Bench Grinder 

Depending on the type of grinder you choose to use, you can sharpen, shape, polish, or clean almost any material type.

A bench grinder is a versatile tool for sharpening dull tools, modifying parts, and refurbishing old rusted equipment.

Here is a list of bench grinders’ pros and cons that will allow you to see the differences between the bench and angle grinders.

[b title=”PROS” ]

  • Available in two models – 6-inch and 8-inch 
  • Comes in variable speeds
  • The large base provides stability and vibration control.
  • Various wheels options and sizes
  • Lots of safety features

[/b]

[b title=”CONS” ]

  • Not portable
  • Not for armatures

[/b]

The Pros and Cons of an Angle Grinder

Angle grinders can rapidly carve large pieces of stock without wasting time. They can also level joints and smooth out rough surfaces on metal workpieces.

Here are the pros and cons that will help shed more light on the differences in power and operation between the two machines.

[b title=”PROS” ]

  • Portable
  • Powerful motor for high speed
  • Gets into tight space
  • Not difficult to use 
  • Comfortable grip

[/b]

[b title=”CONS” ]

  • Sometimes it can overheat when running at high speed.
  • May not always be available with additional wheels

[/b]

Which One Should You Use? A Bench Grinder or an Angle Grinder?

angle grinder reviews

The main purpose of angle grinders in a workshop is to clean metal workpieces. They can also cut and remove excess material on metallic and non-metallic items. 

For instance, they can remove paint on metal for a polished look without damaging the surface. 

Additionally, unlike bench grinders, which cannot polish aluminum workpieces, angle grinders are extremely effective in cleaning aluminum. They are also portable and easy to maneuver.

Conversely, when it comes to grinding metal to get clean, sharp edges, nothing beats the bench grinder. Bench grinders offer the option of using different wheels. Each task demands use the of a different disc.

With the right powerful flap disc suitable for the job, you can restore the edges of tools and maintain their usefulness. Bench grinders also provide stability when shaping and honing large metal items.

What gives bench grinders an edge over angle grinders is the bigger motor and more grinding power. However, you lose out on portability. 

Final Words 

To wrap up, as we have seen, both bench grinders and angle grinders have contrasting properties and uses. 

Many differences should not be overlooked when working with these power tools—for instance, motor power, speed ratings, mobility, disc size, and more. However, the type of grinder you choose should match your needs.

A bench grinder may not be the fanciest tool in the shed, but it elevates your toolset, making it a must have equipment in your workshop. But if you’re working with a rough surface, get an angle grinder to smooth out the surface.

If you’re thinking of adding a grinder to your tool kit, this guide will help you make the right decision.   

We hope this useful information will save you valuable time deciding between a bench grinder and an angle grinder. Please give a view and leave us a comment below. Cheers!