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An angle grinder is one choice for cutting items such as wooden beams or pipes that need hand power labor to be done quickly, but it must be used with caution since it may cause injury. For example, an angle grinder can be used in a variety of projects that are mostly sequential in nature, such as polishing, cutting rebar and steel, woodworking, grinding meta, tile installation, and stucco installation. It is an extremely valuable tool for any blacksmith shop, service garage, auto repair shop or workshop as well as for home use. An angle grinder offers a variety of characteristics, some of which will be essential to the user, such as the ability to adjust the speed. This function enables the user to give the grinder complete control over the speed and power for each kind of operation.
With the increasing need for this instrument in the construction industry, it is being used more often with concrete, metal, and other materials.
The kind of work that a best grinder is capable of doing is determined by the wheel or blade that is being used on the machine.
Operators may come up with a variety of creative ways to make use of the variable speed of an angle grinder; most often, this speed is utilized to cut through various kinds of material or to sharpen the blade of a tool.
It is essentially up to the user to decide for what reason they will use the variable speed function.
If you have a collection of power tools and you feel that you are missing an angle grinder with unique features such as variable speed, this is the tool for you.
Then you should continue reading to find out more and choose which one you like for your job from our selection. In addition, we suggest the best angle grinder on the market.
What to Look for in an Angle Grinder
Angle grinders are available in two basic configurations, as is the case with many other power tools: corded and cordless models. Pneumatic angle grinders are also available, although they are more often seen in professional auto shops than in the homes of the typical DIYer.
It is necessary to keep your angle grinder within reach of an electrical outlet in order to use it, but in exchange for this, you get greater power and have no concerns about running out of battery power before completing your job. Cordless angle grinders are very flexible, especially when working in confined spaces, but there is a risk that the battery may run out of power before you have completed your job. You may, however, avoid this issue by purchasing two batteries, one of which can be used while the other is charging.
Angle grinders that are most popular among the do-it-yourself crowd are smaller equipment that accept 4-1/2-inch or sometimes 5-inch discs. These angle grinders aren’t very heavy, and they’re tiny enough (most are about 12 inches long) to fit into tight places while yet being powerful enough to do the majority of common grinding, sanding, and sharpening chores around the house, yard, and garage. Angle grinders of this size range are available in a variety of configurations, including corded and cordless models.
Angle grinders that use 7-inch or 9-inch discs are more powerful, but they are also heavier and more difficult to operate in small places, therefore they are not recommended for confined quarters. Almost all of these tools have cords attached to them. While some do-it-yourselfers may find themselves in need of these large angle grinders, particularly if they perform a lot of auto repair or major remodeling projects, it is more common for professionals who require the most size and power to use these tools for cutting through concrete, steel, and other extremely hard materials to use these tools instead.
The revolutions per minute (rpm) of an angle grinder’s rotating disc are measured in rotations (rpm). It is important to note that the speeds specified by manufacturers are often the maximum speeds reached by the tool when it is not “laden,” that is, when it is not actively grinding or sanding. Also keep in mind that the quicker the disc spins, the hotter the disc becomes on the inside. A disc should never be thrown faster than the disc’s declared maximum speed since the disc may break, possibly resulting in serious damage to the player.
A smaller angle grinder’s top speed is often between 5,000 and 11,000 revolutions per minute, and many of them feature variable speed settings so you may customize the speed to your specific demands and requirements. Angle grinders with larger blades often have lower maximum speeds, which are typically in the 5,000- to 8,000-rpm range.
1.Makita XAG04Z 18V LXT Lithium-Ion Brushless Cordless Cut-Off/Angle Grinder
They utilize its power source, which is similar to a battery, to allow you to use it almost everywhere. This is a strong brand tool from Makita, and they use it virtually anyplace.
It is equipped with a variety of technological features, such as automated speed adjustment and variable speed operation.
Makita is a well-known business that manufactures high-quality power tools (both corded and cordless), and it has a solid reputation in the industry for manufacturing power tools that last a long time.
You may use this angle grinder to make your job easier, even if you are a novice. You can change its disc according to your work by using its key, and you can use it in your work.
Many of these types of grinders are expensive, but this one has a feature that you will like and wish to utilize in your work: it has an adjustable speed.
It brushes fewer motors and does away with carbon brushes, allowing the BL Motor to operate cooler and more efficiently, resulting in a longer life for the motor.
In order to use it, you will need to charge and operate it with a battery. It is driven by a brushless motor from Makita that provides a longer running duration.
If you purchase this tool with the original battery, the wonderful thing about this brand is that you can use it with any other tool from the same line, such as a drill, grinder, and so on and so forth.It weights about 7 pounds, which is manageable and contributes to a tighter hold on the handle while in use.
Additionally, it makes use of star protection technology, which enables the tool and battery to communicate data about the batteries in real time, while also protecting against overheating, overloading, and excessive discharge. It has a variety of other capabilities as well.
2.DEWALT Buffer/Polisher, Variable Speed
This grinder DEWALT Buffer/Polisher, Variable Speed is available in three different configurations: cordless with battery, cordless without battery, and corded. All three configurations offer the same features, including the variable speed function.
It comes with essentially three-position bale handles in addition to the conventional side handle, and it has the ideal kind of gripping option for the job at hand, allowing you to do it with the least amount of effort.
Sculpted with a rubber over-mold, the rear handle of this helps to further improve the comfort, and its non-marring rubber gear cover helps to minimize scuff marks, which attach with great form and play a role in any polishing needs, which attach with great form and play a role in any polishing needs.
It weighs 6.7 pounds, making it a lightweight tool that allows you to polish and complete the surface for a longer period of time and from different perspectives.
The backing pad is also equipped with a hook and loop fastening system, which allows for quick and simple free tool changes in every job while also preventing other kinds of accidents from occurring.
It is always important to consider the speed of the angle grinder. This grinder provides an extraordinary amount of sleep. That means you can cut through any material even if the paint has been removed.
Its corded motor has a maximum power of 1250 watts and can turn at speeds of 0-600/0-3,5000 RPM. This equipment also includes a disc that can be used to clean any wheel and make it shine with the assistance of the polisher that comes with it. It is possible to dry the vehicle using either a corded or a cordless tool.
3.Makita GA4542C SJSII High Power Angle Grinder
This Makita tool is equipped with a variety of features, including variable speed. Its strong motor, which draws 12 Amp, produces greater output. It also has variable (2,800 – 11,000) RPM, which makes it ideal for usage in both a workshop and a garage environment.
Abrasive metal polishing, cutting paint and rust removal, restoration work and other tasks may be accomplished with this instrument. This Makita GA4542C SJSII is the finest 4 12 angle grinder because it is the ideal size for mechanics to use to manufacture tools out of iron. This angle grinder is made of high-quality materials and is built to last.
This tool is a smooth runner, and it is also an efficient product to use in the workplace and to take work from it for an extended period of time without causing any issues.
The absence of vibration, which is a good feature that makes it more effective for people; many grinders offer vibration, and the regular effect of vibration creates severe tiredness in the user.
This equipment is simple to use, and this angle grinder is an excellent tool for welders because it allows them to cut through iron and steel, and by utilizing a welder, they can create a variety of various things for people.
Angle grinders are used for a variety of tasks from the house to the garage. If you are doing any kind of metal work, this is an excellent option for a variety of reasons.
This tool is sturdy, simple to grasp, variable speed, robust, and pleasant to use all at the same time, and it does so in a single package.
This tool may also be used for a variety of other tasks such as sharpening the blade of any item such as a mower or a knife, as well as a variety of other home repair and maintenance tasks.
4.Bosch GWS13-50VSP 5 In. Angle Grinder Variable Speed
The Bosch GWS13-50VSP 5 angle grinder is equipped with a paddle switch that has a no-lock multi-grip design that allows the user to effortlessly operate and use the machine comfortably.
The paddle switch on this tool gives you a better hold on the tool. The tool is intended for long-term usage, and it has a feature that directs air movement away from the component in order to prevent dust from accumulating on the component.
Many features are included with this tool, including a side handle with a two-position vibration control, which makes it easier to use while working.
This grinder has a professional power output of 13 amps and a maximum rotational speed of 11,500 RPM. This machine’s lowest variable speed setting is 2,800 RPM, which enables the operator to adjust its speed in accordance with the application being used.
When the grinder begins to put a strain on the power, you will see that the light dims somewhat. This tool, on the other hand, is not of this kind; it has continuous electronics for ease of use and high overload capacities, as well as a direct motor to cool it and minimize the heat.
This tool features fast burst protection, a less adjustable guard, and a big head with a spindle lock, making it more easy to replace discs when necessary.
5.Metabo HPT AC Brushless 4-1/2″
Metabo HPT is the company that manufactures this device. Using this corded grinder, you will have access to a variable speed feature that will assist you in your job.
This is an alternating current brushless grinder that, when connected to power, provides better performance and reliability. In addition, an electronic overload protects the motor by shutting it off in the event of an overload or a bind.
The G12VE also has a variable speed switch, which allows you to tailor the RPM to your specific application.
It has a small form and an ultra-slim grip, which allows for better battery management on the machine and less strain when working.
This tool may be used in a variety of applications, including wire cup and wire wheel applications.
Because of its variable speed, you may set it to anything you like.
6.DEWALT Lithium-Ion 4-1/2-Inch Grinder
Cordless angle grinders are often advantageous since they are more portable and flexible than their corded counterparts because they are not limited by a power connection. You can’t go wrong with the DEWALT 20-Volt MAX Lithium-Ion Cordless 4-1/2 in. Angle Grinder if you’re looking for a high-end cordless angle grinder. You may use this angle grinder for a number of tasks since it is lightweight, flexible, and powerful.
The only drawback to this device is that the batteries and charges must be purchased separately, but you will not be dissatisfied with the overall performance of this cordless tool. This grinder is ideal for a broad variety of tasks, including construction, maintenance, and even automotive repair. It is also lightweight and portable. It has a quick-change wheel release that enables you to swap discs without the need of any tools, and the 8,000-rpm engine offers enough of power for cutting and grinding a wide range of materials.
7.Bosch Corded Variable Speed Angle Grinder
Most angle grinders have just one speed, but if you’re searching for a more flexible tool, a variable speed angle grinder, such as this one from Bosch, may be the best choice for you. When it comes to variable speed angle grinders, the Bosch 11-Amp 5-Inch Corded Variable Speed Angle Grinder is a highly regarded device that can work between 2,800 and 11,500 revolutions per minute, making it ideal for a wide range of applications. When working around the home or in a professional environment, you’ll discover that the variable speed is very convenient.
This tool also offers a number of additional capabilities that give it more power and control over the environment than other alternatives. To provide you more comfort, it has a two position vibration control handle. It also has directed airflow that sweeps dust away from critical components, extending the tool’s overall life span. Besides that, it boasts up to two more amps of power compared to the previous version.
8.DEWALT 4-1/2-Inch Angle Grinder DWE402
Angle grinders are even capable of cutting through concrete when equipped with the appropriate disc attachment. Choosing the DEWALT DWE402 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder may be a good choice if you’re searching for a tool to help you grind down or slice through this difficult material.
In terms of power to size ratio, this tool performs well, producing 11,000 rpm while only weighing about 6 pounds. It features a side handle with two positions for a comfortable grip, and its dust-ejection mechanism helps to guarantee that particles do not enter the tool and shorten its lifetime while in use.
Choose this grinder if you want to make fast work of concrete surfaces, grind down floors, or easily cut through sidewalks. Furthermore, it is shockingly cheap.
9.King Arthur’s Tools MERLIN2 Angle Grinder Universal Carving Set
An angle grinder is a common tool used by woodworkers to smooth up their works; however, a normal grinder should not be used for this kind of application. Instead, invest in a woodworking tool that is specifically intended for the job, such as the King Arthur’s Tools set. Merlin 2 Carving Set with 1-Amp 2-Inch Corded Mini Angle Grinder Merlin 2.
Despite being more costly than some other choices, this kit includes everything you need to produce precise details and flawless finishes on wood surfaces, as well as on most other non-metal materials such as plastic, rubber, fiberglass, bone, and other natural materials such as leather.
The small angle grinder consumes just one amp of power, allowing you to save on energy costs. The package includes six attachments, including coarse, medium, and fine sanding discs in three sizes. Additionally, the grinder is equipped with a high-capacity fan and air vents, which enable it to remain cool and be used for extended periods of time during woodworking.
10.Makita 9557PBX1 Angle Grinder
If you’re looking for an angle grinder to use on tasks around the home, the Makita 9557PBX1 4-1/2-Inch Angle Grinder is a good choice. It’s cheap and has a lot of features. Despite the fact that it just has a 7.5-amp motor and a tiny barrel handle, it performs an excellent job on a range of household tasks.
The tool set also includes five grinding wheels, as well as a metal tool box for storing everything, making it an excellent choice for your home workshop. Angle grinders may be used for a range of cutting, polishing, and grinding tasks, such as cutting tile, removing rust from automobiles, and grinding concrete, among other things.
What is an angle grinder used for?
Angle grinders are multi-purpose equipment that may be used for a range of jobs in both home and business applications, depending on their size. They are especially helpful if you deal with metal or masonry on a regular basis, such as concrete, brick, or stone. All you need is the appropriate blade or accessory.
As the name implies, this is the ideal tool for removing burrs, flaws, and rough edges from metal surfaces. Angle grinders may also be used to buff or polish metal, remove paint and corrosion, and cut straight or curved lines, among many other things.
When it comes to masonry, an angle grinder may be used to cut through concrete, brick, and stone with ease. As a tile cutter, it’s an excellent tool for removing mortar from between bricks or under tile, as well as for cutting tiles when installing a new floor, countertop, or tub surround.
How do you cut pavers with an angle grinder?
Angle grinders are capable of cutting brick, stone, and concrete pavers with relative ease, provided that you use the appropriate blade for the task; in this instance, a diamond blade is required. Almost every diamond blade for an angle grinder is capable of cutting through brick, concrete, and tile with ease. In order to cut stone, such as marble or granite, you must make certain that the blade you use is specially designated for this purpose.
Mark the top of the paver with a pencil to indicate where you want the cutline to go. Turn the paver over and mark the cutline on the underside of the paver as well.
Put on your safety gear, which should include safety goggles and a dust mask. The process of cutting pavers generates a lot of dust, and you don’t want to end up with harm to your eyes or respiratory system as a result.
Place the paver on a level, stable surface that is not slippery. If required, place a rubber pad underneath the paver to keep it from slipping or sliding while you are working on it.
Begin by making a shallow incision along the cutline that has been indicated. Continue to make shallow passes with the angle grinder until the cut is about 12-inches deep (see illustration). Turn the paver over and use your angle grinder to trace the bottom cutline into the paver, making shallow cuts all the way through until you reach about 12 inches to 1 inch deep into the paver.
Place the paver on a level, elevated surface such that the part of the paver that is not required drapes over the edge of the surface.
Using a hammer or mallet, tap away at the part of the paver that isn’t required. The paver should break along the cutline that you have drawn.
Carry out the same procedure with the remainder of the pavers.
How do you cut metal with an angle grinder?
Whether it’s rebar, a frozen bolt, a piece of sheet metal, or even steel, you can use your angle grinder to cut through metal with ease. You’ll need the appropriate metal-cutting blade for this task; do not use a grinding wheel to cut metal.
First, gather up your safety equipment. Cutting metal with an angle grinder produces a lot of sparks, tiny shards of metal, and noise, so you’ll need sturdy work gloves, protective goggles, ear protection, and closed shoes. Be sure your clothing is not loose or dangling, and that you are not standing on slippery or wet flooring.
Using chalk or a marker, sketch your desired cutline on the metal. You can also use an awl to scratch the line, if desired.
Clamp the metal piece securely to a workbench or other flat surface.
Turn on your angle grinder, and let it reach full speed before gently setting the blade against the metal. Hold the tool firmly with both hands.
Slowly work your way along the cutline. Do not force the angle grinder or abruptly change directions. Let the tool lead the way forward while you hold it securely.
Once you’ve finished cutting, let the tool come to a complete stop before setting it down.
If necessary, switch to a grinding blade and grind away rough edges or flash along the edges of the cut metal.
Why Trust The Spruce?
Michelle Ullman, The Spruce’s tool expert, has revised and updated this post. Thank you for your assistance. Besides having a great deal of expertise writing about all things connected to the house, she has a lot of hands-on experience with a variety of home improvement tasks, such as landscape design, painting, flooring, wallpapering, furniture makeovers, and basic repairs. When compiling this list, she looked at dozens of angle grinders, taking into consideration characteristics like as power, pricing, and brand reputation, as well as feedback from both professional and DIY customers.