​Best Metal Grinder – Guide & Reviews

In a metal workshop set-up, many factors come into play to make it the best in performing your work. At the forefront of this factors are equipment used to assist the technicians in attaining their objectives. One of this equipment is the metal grinder.

A metal grinder is a handheld equipment used for cutting, grinding and polishing metal parts in and outside the workshop.

The grinder is obtainable in various sizes and brands and being one of the most valuable equipment in the workshop; it is critical that one understand what to look for when procuring this tool.

The 4 ½ inch angle grinder is the most common metal grinder probably due to its light weight and cost. Other varieties such as 9 ½ inch edge are available from different manufacturers. Both the 4 ½ and 9 ½ inches come in various power sizes with the 200, 600 and 750 watts being the most popular.

best metal grinder

Things To Consider When Purchasing Metal Grinders

Metal grinders are workshop tools that are frequently used thus when buying one ought to be keen to get value for money. Equally, one should be very conversant with what job the grinder will do to (or "intending to") getting the right power outputs. The following factors are the most common to consider;


When looking at safety, it is important to consider the security of the equipment and that of the handler. The vital safety features to at are the position of the dust ejection systems, spindle locks, paddle switches and high overload protection if available.

The 4 ½ inch grinder has been found to be the safest among the varieties available. The safe metal grinder should have a guard to prevent you from being exposed to dangerous byproducts. It is necessary that the grinder should have a ‘dead man's switch' to prevent accidental switching ON.

Make and model

DeWalt, Makita, and Hitachi are among the top rated brands in the manufacture of metal grinders; however DeWalt and Makita are best rated as far as grinders are concerned.

Hitachi is not doing badly either with its fair share of the market. Equally, Hitachi offers a better deal when you require a mental grinder that is not industrial grade.

Disk size and specifications

Makita has the most potent motor running at 12 amps, DeWalt at 10amps and Hitachi at 7.5amps. A powerful motor does not translate to better performance since other factors come into play like Makita only offers 4 ½ inch types.

A larger engine can also mean that it quickly burns outs. A less abrasive disk means it gives better polishing but indigent cutting and grinding abilities.

Specific Applications

A metal grinder is as good as your needs. You do not need industrial grade grinder for small light jobs. Their power consumption is one particular consideration within options available from as low as 200 watts to 2500 watts.

Metal grinders run on either 230 or 110 volts AC supply with most manufactured to work on both voltages. Some come with anti-debris protection to guard them against wear and tear. Your job type; for industry or domestic use will determine the kind to choose.

Other Considerations

  • The price
  • Gearhead
  • Mode of powering; electric, petrol or compressed air type.
  • Speed ratings
PORTER-CABLE PC60TAG 6.0-Amp 4-1/2-Inch Angle Grinder

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Get the PORTER-CABLE PC60TAG 6.0-Amp, and you will enjoy using this tool in your workshop.

Powerful Motor

The tool is designed to have enough power to cut, grind and polish. It is lightweight at 4.1lbs and is very powerful giving out about 1200 watts.

Its 6 amp motor is in the league of the 10 amp Makita motor. The guard can be changed in less than a minute which implies changing tasks between cutting and grinding very fast.

Protective Metal Casing

The metal casing is made of cast iron to increase its longevity and durability. The guard is also quick and easy to remove which can be done tool-free.

Spindle Lock

Its versatile spindle lock feature allows single bit wrench changes. This makes your operations easy for a smooth job.

Ergonomic Handle

The handle has been constructed with many ergonomics in mind to allow control in multiple positions. The grinder features a side handle, grinding wheel, a wrench and wheel guard.

Makita 9557PBX1 4-1/2-Inch Angle Grinder with Aluminum Case

Makita is a common brand when it comes to angle grinders. Their products are of high quality and a preference for many workshop owners. Have you tried the Makita 9557PBX1 4-1/2-Inch Angle Grinder?

If you haven’t had an experience with this tool, you need to buy it and enjoy some of its amazing features that are included to make your work easier.

7 Amp Motor

This grinder has been designed for industrial use with 7.5 amp motor and great motor protection features that will make the last longer in industrial environments.

Quality Construction

The labyrinth construction means the engine is safe from dust and debris for longevity. This is a tool that you can use for so many years.

Comfortable Handle

The handle is 2 ½ inch in diameter to enable better grip and handling. With a perfect and comfortable grip, you can get your job done to perfection.

Power Consumption And Performance

Its motor gives 10000 rpm. The Makita 9557PBX1 has been fitted with a switch to allow the use of either AC/DC energy sources. The wheel guard is tool-less thus guaranteeing secure clamping.

DeWalt DWE402 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder

Are you looking for the best angle grinder to add to your workshop tools? The DeWalt DWE402 4-1/2-Inch 11-Amp is among the best products that you will appreciate having in your workshop.

DeWalt is one of the most recognizable brands in the angle grinder manufacturer, so you can be sure that this is a top quality angle grinder.

Powerful Motor

It is operated via an 11 amp AC/DC motor running at 11000 rpm which seems to be sufficient enough. Its dust and debris ejection is also quite good securing the engine and gear against wear and tear.


The guard allows for 360 degree rotation because it designed to be one touch. It is fitted with a paddle switch to prevent against an accidental switch on.

Perfect Grip

The gripping surface has been made uniquely small for the sake of better handling and ergonomics.

Black & Decker BDEG400 6-Amp Angle Grinder

Looking for the best angle grinder can be a tough activity. I’m here to simply your work by providing you with a wonderful tool that you will love using all the time.

Get the Black & Decker BDEG400 6-Amp Angle Grinder and equip your workshop with durable and high performing tool to simply your work.


Besides cutting, grinding and polishing, this angle grinder can sharpen and also be useful in removing rust.

Metallic Gear

When you are purchasing any tool, durability should be among your best considerations. The gear is metallic and small and thus giving it a longer lifespan.

Optional Side Handle

It has three optional side handle positions translating to comfort and better control. Again, the spindle has a lock allowing for easy attachment and removal of accessories. Power and performance

This grinder is best suited for surface preparation. Its handle is contoured in a manner to give it better grip during operation. The grinder, however, does not come with a storage container.

Hitachi G12SR3 4-1/2" 6-Amp Angle Grinder

Finally in our list of the best metal grinders, we have the Hitachi G12SR3 4-1/2" 6-Amp Angle Grinder.

The performance of this tool is exemplary, and it is also built with strong materials for durability.


The Hitachi G12SR3 is probably the lightest of them all at 3 pounds. Its weight is manageable meaning you will not have trouble lifting the tool when you are working.

6 Amp Motor

Its 6amp motor cuts, grinds, and polishes at 10000 rpm. This is enough power to handle any task at hand effectively.

Strong Grinder

The grinder was built for light to medium duties. The casing is strong enough to withstand a 2 meters drop.

Final Words

A grinder is as good as the person operating it, even with the best grinder in the market with the best safety mechanism installed; the handler has to make sure he has the necessary training and skills to handle it.

Most mills produce much noise and as such all it is recommended that operators make use of ear muffs when operating them.

When purchasing the mill, it is also important to check if the handle is vibration reducing and if the grinder has a soft start mechanism.

If you are looking forward to a great metallic angle grinder, I’m sure you can pick the best product that makes you happy. With any of these angle grinders, you are assured of a smooth operation all the time when you are at work.

David Echols

David Echols is the Editor of ToolsWire.com. He is an angle grinder enthusiast and love to share what he know about this field.

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