Metabo WP9 Angle Grinder

Metabo WP9 Angle Grinder Review

Quick Overview





  • Compact powerful 8.5 A motor that generates 10,500 RPM
  • High torque capacity grinder that can effectively be used on stainless steel 
  • German made angle grinder that has be manufactured to the highest standards
  • Priced as an entry level angle grinder but preforms like a top of the range one
  • Suitable for heavy-duty applications and ideal for professional contractors 


  • Poor packaging and no accessories are included

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We have some impressive angle grinders on our list, but Metabo's 8.5A 4-1/2" grinder is the most powerful of all. It's an angle grinder that will chew through any material, even thick metal sheets, like its paper.

You can use it for all kinds of jobs, including professional applications, and this angle grinder will provide you with accurate results. You may be surprised by the torque and the versatility you get from this affordable AC/DC power tool.

Metabo WP9 Angle Grinder

It may come as a surprising fact, but Metabo tools have been around for nearly 100 years. The brand is not as famous as Black & Decker or Makita, but it shares similar features and qualities.

What makes the WP9 exceptional is the powerful motor that can drive the wheel at high speeds. That will help you cut, grind, and sand through the thickest materials without breaking a sweat. There's no doubt that this is a tool made for professional users such as metal workers, plumbers, electricians, and so on.

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What to expect

You shouldn't be skeptical about the Metabo WP9 angle grinder if you haven’t heard about the brand because it's quite versatile and reliable. It's also the lightest of all angle grinders we've come across so far, weighing only 2.4 lbs. However, the weight doesn't come with a compromise on material quality, as it's clear that this is a durable, well-made device that should serve you well for years, if not decades.

Since it's so light and powerful, it suits both professionals and amateurs alike. You can use it for hours at a time, and the wheel will keep spinning for as long as you need. The Metabo LongLife motor has 50% more torque than similar models of this size, and it's got a 20% higher overload capacity. You can cut through 1/4" sheets of metal without slowing the blade down at all. It's manufactured according to the highest German standards.

There are, however, some downsides to this Metabo angle grinder. It's very small and compact, that is usually a plus, but if you have big hands, it could be a bit uncomfortable. The angle grinder runs on electricity, so you need a power outlet to make it work, which could be an issue if you're looking for a portable tool you can use anywhere.

What's included?

Metabo power tools are available in all shapes and sizes, but they usually don't come with any extras. This angle grinder is a great tool with a wide range of applications, but it's all you get.

We think that that's not a bad thing because the quality of the device itself is more important than the accessories that go with it. That's why this tool is designed for professionals and serious handymen, rather than the average Joe, even though it's user-friendly enough for beginners.

Features overview

There are a lot of useful features that make the Metabo angle grinder a fantastic choice for everyone. Apart from the 8.5 A motor that delivers up to 10,500 RPM, the Metabo Quick System is one of the features that makes it so appealing. It allows you to change wheels in a matter of seconds without the use of any tools, which can be a real plus on the job site.

The S-Automatic safety slip clutch located on the bottom (just above the back of the device) helps you maintain control when working on demanding tasks and reduces the chances of a kickback; that's especially useful for beginners who are still not sure how everything works. Then, we have the dead-man paddle switch that stops the motor the moment you release it. 

Again, it’s another safety feature that could prevent injuries on the job. The unit has an improved airflow cooler operation that improves durability in harsh environments.

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How to use

There's not much to using this compact angle grinder. All you need is a 4.5" wheel for the task at hand and a power outlet. Turn the switch on, and you're ready to get to work.

The sheer power and capabilities of the Metabo WP9-115 make it suitable for professional use, but it's also very lightweight and has a few safety features that any beginner would welcome. It provides you with all the control you need to get the toughest of projects done quickly, and it can reach tighter spaces where other tools may have a hard time reaching.


If this particular Metabo Angle Grinder is beyond your budget, then the more cost-effective power tool of choice would be the CRAFTSMAN CMEG100 4-1/2-Inch Angle Grinder which is a fantastic alternative.

It's also a corded angle grinder pumping out over 12,000 RPM and with a bunch of similar features to the Metabo WP9, but at a much lower price. It still has the adequate power required to cope with heavy-duty applications, although it is a little bulkier and could be considered inferior in terms of build quality when compared to the Metabo WP9. In other words, you get what you pay for. 

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Metabo power tools are high-end products widely used by plumbers, metal workers, maintenance specialists, and other handymen all over Europe.

It's a German-made power tool with a powerful 8.5 Amp motor and improved safety features that could save you from serious injuries on the job. Overall, it's one of the best corded angle grinders you can buy today.

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