Can an Angle Grinder Cut Metal?

When it comes to hand-led mechanical tools, every mechanic is aware of an angle grinder. It’s a popular tool that finds its application in the plumbing, automotive, mechanical, and other industries. The tool comes with a slicing or cutting disc using which you can cut different materials. Bricks, tiles, concrete being some common examples.

However, the main question that most people ask is, “Can you cut metal using an angle grinder” Well, if you have the above question in mind, read along. Below, you’ll find all the information you need to know about an angle grinder.

 What is an angle grinder?

An angle grinder is a hand-led tool that is used for polishing and grinding purposes. The angle grinders come with abrasive discs, which can be interchanged with different attachments.

Can you cut metal with an angle grinder?

So, the answer is Yes. You can cut metals using an angle grinder. As a matter of fact, the angle grinder was primarily created for polishing and cutting metals. However, you need to be cautious while indulging in the process of metal cutting.

What do you need to know about an angle grinder?

Most of the angle grinders are of the 4-1/2 size, which enables you to work with copper pipework, steel fabrication, and even concrete restoration. Usually, there are two types of angle grinders available, corded and cordless ones.

You should prefer buying a cordless one as it is more portable. It’s equally powerful, so you don’t have to worry about performance. You can expect up to 15,000 RPM from a cordless angle grinder. It’s the reason why it capable of cutting through metal workpieces.

An average metal grinder comprises a comfortable handle, spinner washer, blade or disc cover, and a speed switch if it’s a variable speed angle grinder. Now, let’s understand how you can cut metal using an angle grinder.

How can you cut metals using an angle grinder?

You need to first have all the required tools like: –

  • Earmuffs
  • Safety Goggles
  • Power source- if it’s cordless
  • C-clamp
  • Metal Cutoff disc

Take a marker and mark the area you want to cut on the workpiece. Hold the angle grinder firmly with both your hands and switch it on. Sometimes, there’s a jerk on startup. So, keep your grip solid. After that, precisely move it over the cut.

If it’s thin metal, you’ll be done soon. In case it’s a dense metal, you’ll have to patiently go through the process.  

What’s the thickness of metal that an angle grinder can cut?

It depends on the type of metal you’re working with. And with the metal type, you’ll also need to change the disk that you’re using. Let’s suppose you’re using a 4-1/2 grinder. Here’s what you need to know: –

  • For Stainless Steel – Use 1-1.6mm disc
  • For Sheet metal – Use 1-0.8mm disc.
  • For angle iron or thick steel – Use 1.6-2.5mm disc.


By now, you would have known that you can cut metal using an angle grinder. However, you need to keep a few things in mind. For example, you should choose the angle grinder disc according to the type of metal you’re working with. Also, you need to take precautions before working.

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