The angle grinder is a handheld power tool that makes just about any DIY task from cutting to grinding and even polishing simpler due to its powerful motor and its ability to adjust to various accessories, such as brushes, pads and various discs, including abrasives materials and thinner cut off discs.

The angle grinder contains a motorized gear head, which is located at the right angle of the tool where the disc is to be attached, and it can be powered in multiple ways, including compressed air, electric motor, or even petrol engine. The best angle grinder, like the Dewalt grinder and the Bosch angle grinder, provides a faster spin, at least 10,000 to 11,000 rpm, as compared to the speeds provided by drilling motors, and can be used for a variety of purposes.

What Is an Angle Grinder Used For?

Notching or Cutting Hard Materials, such as Concrete, Stone, and Tile

Typically the task of cutting impenetrable materials like concrete or stone can prove challenging. However, a simple adjustment of the angle grinder with a dry-cut diamond wheel can provide precision cutting in no time.

Removing Worn Mortar

To remove old mortar, you would generally rely on your trusty chisel and hammer to do the job. However, the angle grinder provides a faster, more efficient way to remove mortar and without damaging the brick. Simply insert a diamond tuck point wheel into the grinder for easy mortar removal.

Cutting Metal

Cutting resistant metals, such as bolts, bars, and rods can be strenuous. However, an angle grinder fitted with a simple cut-off wheel makes cutting rusted bolts, rebar, welded wire fencing and more, a cinch.

Restore Cutting Edges

Over time common household tools, such as shovels, garden hoes, and shears can become dull due to regular use, at which point they may require sharpening in order to restore proper function. The angle grinder is a great tool for restoring the edge on many common household tools, with the simple attachment of a grinder wheel, and it can even be used for grinding newer lawn mower blades, axes, and other cutting tools.

How to Choose the Right Accessories

Cutting Stone and Metal

Metal cut off discs are just perfect for cutting metal, stone, and bricks.

Cutting Tile, Slate, Marble, Granite, and Mortar

The diamond disc contains a diamond tip edge, which makes cutting hard materials like slate, marble, and granite easier. Just determine if you would like to make a dry cut or a wet cut and then purchase your diamond disc accordingly.

Sanding and Grinding

Sanding disc pads or abrasive disc pads make simple sanding jobs easier. These discs/pads easily attach to the grinder via Velcro, and they can be easily replaced once they become worn. Simply select your grit grade, from 40 to 400 grit, and complete your task.

Flap sanding discs are an excellent option for fine detail sanding or for cleaning up metal surfaces because they are not as harsh as other grinding discs. They are also available in a wide range of grit types for a variety of tasks.

On the other hand, if you are grinding metal, you will require a metal or stone grinding disc, which is just perfect for shaping, grinding down, or removing peaks in stone and metal materials.

Removing Paint and Rust

Wire brush and twist knot cups make removing rust and paint simpler due to the twisting action of the wire. These attachments are nothing more than wire brushes for your grinder. However, they are very rough, so they should only be used when you want to remove the covering completely.

Polishing Hard Surfaces

Polishing pads or coverings are mainly used for finishing harder surfaces. However, they are also available in mops to polish more delicate surfaces, such as artwork. These replaceable pads simply attach onto the threaded area of your grinder and then the polishing head attaches to the pad for use.

How to Use an Angle Grinder

While the angle grinder requires some practice, it is pretty simple to get used to.

How you use the grinder tool will typically depend on the task at hand. However, the overall point is to be sure the item you are working on is held securely in place while you are using the grinder.

Angle grinders are powerful tools, which can cause it to slip and go flying off where it can cause significant damage to surrounding items, as well as body parts and hands, if not used correctly. Therefore, it is important to ensure your item is securely held in place and that you use the proper fitting attachment for the task to ensure the disc is securely attached to the grinder.

You should also wear the proper clothing and safety gear to further ensure your safety. Your clothing should be free of dangling items because they can be easily snagged and draw your body into the tool. In addition, wear sturdy gloves, good ear protection, good eye protection, and steel-toed boots to protect your body.

Lastly, be sure to practice using the grinder to get used to the feel and weight of the tool, especially when it’s running, which will help prepare you for its use. In addition, you should always grind and cut away from yourself in order to ensure the working edge and debris are positioned away from you, and never use the tool without the safety guard in place.

angle grinder on the ground next to bricks
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Summing Up

The angle grinder is not only a great tool because it allows for a variety of tasks and accessories in just one simple tool, but it also requires little pressure because the tool does the work for you, so it can be used by a variety of individuals. Just remember, always practice the proper safety measures and maintain the tool for maximum results and long lasting equipment.

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