5 Best Small Cordless Angle Grinders for Professional & DIY Use. Small hand grinder

How to Use an Angle Grinder

This article was co-authored by Alberto DeJesus. Alberto DeJesus is a Construction Specialist and the CEO of DeJesus Industries. With more than four years of experience, he specializes in high-end real estate development and construction. Alberto and DeJesus Industries have been featured on NBC News and have worked with numerous well-known companies, including Mazda, Amazon, and CVS. Alberto holds a Bachelor’s degree from Boston University.

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Angle grinders are electric power tools with detachable grinding wheels that you can apply to a variety of jobs around your home, including sanding, grinding, cleaning, and cutting. When using a grinder, make sure you’re picking the right attachment for the job and using that attachment correctly. Always practice safety procedures when working with a grinder, as it can cause injury, both from the blade itself and from flying debris. [1] X Expert Source

Choosing and Applying the Right Attachment for the Job

• Try buzzing off dirt that’s set on garden tools. It will even work on set-on cement.
• Pick the cup wire attachment for flat surfaces and the wheel to get into crevices.
• Make sure to pick the right type of blade for the project you’re working on. For metal, a cutoff wheel works well, and it’s fairly cheap.
• For masonry, tile, and concrete, choose a diamond wheel. Read the attachment to know what materials you can use the wheel on. [4] X Research source
• Don’t let the blade get too hot, as it will become very brittle. If it turns black or blue, give it a rest for a moment.
• Check the wheel for the arrow showing you which direction it will rotate when on.

Operating an Angle Grinder Safely

Put on safety gear like goggles, long sleeves, and full-face protection. One of the main dangers of an angle grinder is flying debris, including pieces breaking off of the tool’s attachments. Protect yourself with safety gear so you don’t catch a piece in your eye. [7] X Expert Source

• Put in ear plugs or cover your ears with noise-canceling earmuffs, as the sound from the machine can get very loud.
• Wear a dust mask for particularly dusty jobs, like sanding and grinding mortar. [9] X Research source
• Grab the handle with whatever hand feels most comfortable.
• The deadman’s switch is a safety feature. If you accidentally drop the grinder, it will go off automatically.

Let the grinder come to full speed before applying it to the surface. Hit the power button to turn it on. Whether you’re cutting, grinding, or sanding, allow it to come up to speed to help you keep your actions smooth and consistent. For instance, if you’re cutting through metal or other materials, you’ll get a better cut if the cutting disc is at full speed first.

Move the angle grinder around constantly when sanding or cleaning. Don’t keep the tool in one place when sanding, as you could end up with gouges. For a smoother finish, move in a rotating motion over the surface. If you’re trying to smooth or clean one particular area, don’t hold it in place; just move it around and over the area until it’s to your satisfaction. [10] X Research source

• With cutting, use the side of the wheel to cut the piece head-on, meaning you should hold the wheel perpendicular to the piece you’re cutting.

Keep the guard on no matter what you do. The guard may get in the way on some projects, but don’t take it off. It provides some protection from flying debris if the wheel or attachment shatters. It’s much better for the guard to take the hit then your torso or arms! [12] X Research source

Picking Angle Grinders and Accessories

Choose a 5-9 amp motor if you plan on using the grinder a while. If you want to use the grinder for a number of projects, try not to get the cheapest one. If you spend a little more, you can get a better quality machine. Pick a motor that pulls 5-9 amps, which will give you a little extra power and will likely stay in operation longer. [15] X Research source

• That way, if you turn your grinder to max, you still won’t go over the max speed of the accessory.
• A grinding disc with noise reduction and a handle that reduces vibrations can also make your grinder safer.

Community QA

Always wear eye protection and gloves, and point the grinder away from yourself; it might be a good idea to use it on a safe grinding area as well, along with clamps, vices, etc. Before grinding, examine the power cord, extension lead, plugs, sockets and power outlet for damage. Also, ensure that the grinding disc, guard, and attachments (including handle) are secure and correctly fitted. Lastly, inspect the grinding disc for damage; never use a damaged grinding disc, and never use a disc on a surface that might damage it.

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Join the axle pipe with the center point of the wheel, and make sure that the wheel rotates smoothly.

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Choose/purchase the correct disc, be it for metal or masonry, and make sure it’s fixed correctly and tightly. Wearsafety goggles. Hold the grinder very tightly and proceed with caution.

Thanks! We’re glad this was helpful. Thank you for your feedback. As a small thank you, we’d like to offer you a 30 gift card (valid at GoNift.com). Use it to try out great new products and services nationwide without paying full price—wine, food delivery, clothing and more. Enjoy! Claim Your Gift If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even 1 helps us in our mission. Support wikiHow

Best Small Cordless Angle Grinders for Professional DIY Use

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Angle grinders are an essential tool for both trade work and DIY. However, power tools such as angle grinders, and their parts, including discs and motors, can burn out or wear down quickly. Built to cut the toughest of materials, such as concrete, stone, and steel, replacement or repairs may even be necessary after a single grinding session.

That is if you buy the wrong angle grinder! You see, not all models are equally as durable as the next. With this in mind, we’ve carefully researched and selected the most durable angle grinders out there. These days, it’s not necessary to settle for cumbersome corded options, either.

All of the angle grinders in this list are compact and cordless, making them perfect for DIY and professional projects.

Our Top Picks

Angle grinders can get used for various tasks, including sanding wood and leveling concrete floors. Compact cordless angle grinders (4.5″ to 6″) are particularly useful for outdoor or on-site projects where electrical supply may be limited. If you feel one is the right fit for your project, read on to find out which are our best angle grinders to pick!

Bosch 18V X-LOCK (GWX18V-8N) Brushless Angle Grinder

Read our hands-on review: Bosch GWX18V-8N Angle Grinder

The Bosch GWX18V-8N 18V X-LOCK is the most compact, ergonomic cordless angle grinder in the X-LOCK range. This particular angle grinder is brushless, making it more durable than other Bosch brushed motor angle grinders. It is ultra-compact, fitting smaller, 4.5” discs, and features a powerful 18-volt battery.

Built for speedy disc changes, this innovative tool-free angle grinder saves you time. There’s no need for spanners, wrenches, or even adjustment of flange nuts. The unique X-LOCK disc clicks into place or releases with just a press or a pull of a lever. Not only is the disc system tool-free, but the guard and guard adjustment also.

Its safety features include restart protection, soft-start technology, and overload protection to reduce the chance of accidental starts, kickbacks, and motor overheating. Overall, it’s an exceptionally easy-to-use, portable, and affordable cordless angle grinder. It’s also very affordable compared to other similarly-sized angle grinders on the market.

Milwaukee 2780-20 M18 FUEL Brushless Angle Grinder

The Milwaukee 2780-20 M18 FUEL /strong> is one of the most popular cordless angle grinders on the market. Perhaps this is because this powerful angle grinder is built to grind for much longer. Featuring a POWERSTATE brushless motor and REDLINK PLUS Intelligence, it delivers corded performance with up to 2x longer battery life.

Even if you do run out of power while working on a project, you can attach another pre-charged M18 REDLITHIUM XC5.0 battery pack (sold separately), and you’re good to go. Its brushless motor offers superior durability compared to brushed versions. Featuring a powerful 18-volt battery, it’s not lacking in power, either.

Versatility is another plus, as this angle grinder can fit discs from 4.5” up to 5”, unlike some other models that only fit one disc size. Besides being ideal for demanding outdoor projects, this cordless angle grinder also offers tool-free accessory changes.

Makita XAG20Z 18V LXT BL Brushless Paddle Angle Grinder

The Makita XAG20Z forms part of the extensive 300 LXT power tool range. All of these can be used with the same 18-volt batteries and charger. It’s important to note that this angle grinder is a bare tool, which means that it doesn’t come with either. The compatible BL1840BDC2 18V LXT lithium-ion battery and charger are sold separately.

Though, you can sometimes find Makita XAG20Z cordless angle grinders for sale in a set with a battery and charger. If you have a few other LXT power tools, going for this particular angle grinder can save you money on buying those separately. Overall, this brushless angle grinder scores top marks for being durable, powerful, and safe.

First Test 3″ Mini 12v Brushless Angle Grinder AliExpress

Its unique and handy variable speed control dial and paddle switch make it that much safer and more convenient to use. Featuring XPT protective seals, it’s also ideal to operate in wet, dusty, and dirty conditions. Lastly, it fits discs from 4.5” up to 5” and features a powerful 18-volt battery.

DeWALT FLEXVOLT ADVANTAGE MAX Brushless Angle Grinder

Featuring a 20-volt (max power without a workload) battery, the DeWALT FLEXVOLT ADVANTAGE /strong> is undoubtedly one of the most powerful cordless angle grinders on the market. Handily, to extend its battery life, you can pair it with DeWALT 20V MAX or 6, 9, and 12 Ah FLEXVOLT batteries.

Part of the PERFORM PROTECT, it’s not only designed to perform but also built to protect. With advanced safety features and parts like a kickback brake, E-Switch, and E-CLUTCH, the angle grinder is better equipped to safely handle binding, pinches, stalls, and unexpected shut-offs.

Its durable brushless motor and versatile 4.5” to 5” disc bracket are added bonuses. Being Tool Connect Chip Ready, you can also easily install a chip to manage and track it using the TOOL CONNECT Site Manager. Overall, it’s an excellent pick for those demanding on-site projects and DIY tasks.

Ridgid 18-Volt OCTANE Brushless Angle Grinder

If you’re looking for the best budget cordless angle grinder, the brushless Ridgid 18-Volt OCTANE fits the bill. This affordable angle grinder is surprisingly powerful for the price. It delivers up to 10,000 RPM, which is more than many other similarly sized cordless angle grinders.

The tool itself comes bare, with the battery and charger sold separately. The 2 Ah battery is the standard choice, and you can sometimes find this angle grinder sold with this basic battery. However, opting for a Ridgid lithium-ion 4 Ah battery or up is recommended, especially if you need more power.

With a tool-free guard, it’s easy to adjust outdoors without a wrench or spanner handy. Its compact, 4.5” disc bracket is ideal for basic DIY and on-site tasks, particularly those that don’t take too much time. Overall, it’s a convenient, compact, and affordable angle grinder option.

What To Know Before Buying a Cordless Angle Grinder

Before selecting an angle grinder, read this buyer’s guide on motor types, battery life, and more. Arming yourself with this important information will help you pick the best cordless angle grinder for your needs.

Motor Type

As with all power tools, motor type is important. Angle grinders typically come with one of two motors—brushed or brushless. Brushed motors are the less modern of the two, whereas brushed motors are the newer option. Brushed motors are easier to maintain, more powerful, and energy-efficient. However, they’re pricier, so you can also opt for an angle grinder with a brushed motor if you want to save.

Power Output

In terms of power, small cordless angle grinder motors typically range from 500 to 1500 watts. If cordless, an angle grinder’s internal battery also plays a part. The higher the angle grinders battery voltage, the more strength it will have—with 18 volts and up being ideal. Also, look at amps and max revolutions per minute (RPM) as these make a difference to its performance.

Battery Life

Cordless power tools are definitely convenient, but they do come with one limitation. As they operate on an internal battery, you’ll be limited as to how long you can use a cordless angle grinder. If it has multiple power or speed settings, using it at its highest can drain the battery much faster. Look for an angle grinder that has enough battery life, recharges quicker, and is compatible with detachable batteries.

Price

Cost is always a factor when purchasing goods. Generally, a good quality angle grinder should cost around 130 to 200 and last 5 to 15 years. Though cheaper cordless angle grinders can be tempting, the quality and durability of these don’t always measure up. That said, you can lower your costs by opting for an older model in the range.

Disc Type Size

Angle grinders polish, cut, and grind using a rapidly rotating disc. Most small and regular-sized angle grinders fit a 4” to 5” disc. Brushless models tend to be able to fit larger 5” angle grinders, while brushed motors typically only fit a smaller 4.5” disc.

Tool-Free Adjustment

Some angle grinders feature tool-free adjustments that make them a little more convenient and quicker to use. Tool-free adjustment allows you to change various part positions or remove and place discs without the use of any tools. However, what you can adjust, tool-free will vary from angle grinder model to model, so be sure to check.

Weight Comfort

Angle-grinding can be quite an exhausting task. Besides the loud sounds, the vibrations from the machine can be challenging to handle. The weight, shape, and grips on an angle grinder can make it much easier and more comfortable to use.

Warranty

Many hard-wearing products, including power tools such as angle grinders, do come with a warranty. Angle grinders from reputable brands typically come with a 3- to 5-year limited warranty. This does vary per product, so it’s important to check for whichever angle grinder you intend to buy. Also, be sure to read the warranties’ fine print to find out what it covers.

Safety

Angle grinders can be dangerous to handle, which is why some manufacturers have added built-in safety features. These extras can include brakes and triggers, which help limit accidental starts and kickbacks. Of course, you should always follow additional safety precautions like wearing a welding helmet, gloves, and protective shoes.

Brand

When shopping, it’s best to go for reputable brands to ensure you get the best value for money. Some of the best cordless angle grinder brands include Ridgid, Bosch, Makita, DeWALT, Milwaukee, and Ryobi. Besides being more experienced in manufacturing power tools, these companies also generally offer superior customer service, warranties, and repair services.

Accessories

Angle grinders may come with additional accessories, such as travel bags, replacement discs, or other types of discs and tools. These are money-saving bonuses that can also be handy for outdoor or on-site projects.

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Purchase the Best Angle Grinder Machines Online at Affordable Prices

A handheld power tool used for grinding(abrasive cutting) and polishing is an angle grinder, sometimes referred to as a side grinder or disc grinder. Although they were first designed as stiff abrasive disc tools, their use with a range of cutters and attachments has been promoted by the availability of an interchangeable power supply. A portable power tool called an angle grinder is used to fabricate metal by cutting, grinding, deburring, finishing, and polishing. Typically, corded or battery-powered energy is used to power angle grinders machines. Angle grinder heads typically have an adjustable guard and a side handle for two-handed usage, and they may be replaced as they become worn out. We at Moglix provide good quality, reliable, and ergonomic design hand grinders from various trust-worthy brands such as Bosch, DeWALT, Makita, Black and Decker, and so many more.

5 Best Cordless Angle Grinder for Metalworking

Range of Handle Grinders you can Choose From for your Business

Cordless Angle Grinders: Cordless angle grinders are employed on a number of job locations because they are very practical. Without a connection to an electrical outlet, these grinders can be moved to other locations. When it comes to performing grinding jobs on ladders and scaffolds, cordless grinders are especially useful because users don’t have to worry about the trip hazard presented by trailing cables. To prevent the worry of a regular mains power connection, it is advisable to select models with large batteries.

Corded Angle Grinders: In some cases, the assurance of connection to a dependable power outlet will be necessary because corded angle grinder machines can be used as long as they are attached to the power source. Angle grinders with cords are often less in weight than cordless counterparts. Choosing a hand grinder with a small disc is the best option if you want to use it frequently for modest cutting tasks. The ergonomics and degree of vibration unique to your chosen grinder should also be taken into consideration.

Pneumatic Hand Angle Grinders: Pneumatic hand angle grinders are the best choice for cutting and shaping metal workpieces because they provide the perfect balance of performance and durability. They are mostly employed in light-duty tasks that demand high levels of precision. Although pneumatic grinders must be connected to the proper air compressor units, they are far lighter and better suited to high-precision work than other versions of angle grinders. Furthermore, some have throttle levers that provide a great degree of control when performing technical chores like feather edging and speed grinding.

Variable Speed Angle Grinders: Hand angle grinders with variable speeds can have their discs set at various speeds to accommodate a wide range of applications. The ability to set the disc at a high RPM makes it possible to effectively finish jobs requiring extreme precision. For improved control, some models additionally include paddle switches.

Straight Angle Grinders: The straight angle grinder’s wheel is at a 90-degree angle, which makes it the perfect tool for polishing objects’ outside edges and interiors while using various grinding stones attached. Straight-hand grinders may occasionally be preferable to the traditional angle grinder due to the distinctive disc angle.

Tips to Remember Before Buying Branded Hand Grinder Machines

Power. When determining the effectiveness, power, and final worth of a hand grinder machine, input power, or the amount of power a tool requires to function, might be deceptive. Power is lost through heat when a tool is used from a number of parts, including the cord, wiring, and motor. By doing this, the overall power required to operate the tool is reduced. The output power of the grinder, or the power utilised to operate the tool after heat loss, is a more illuminating indicator of its performance level.

Speed. The turning force of a grinder, measured by tool speed and torque, reveals a lot about its power. The majority of grinders presumably have the same no-load tool speeds. However, the force (torque) with which the grinding wheel revolves exactly correlates to the amount of stock removed per rotation.

Safety. Because of the risks, novel safety features on grinders are frequently worth the extra money. Although wheel guards are a standard feature on almost all grinders, some users find them so cumbersome to change with tools that they forgo their personal safety and remove them entirely. Finding grinders on the market with tool-free wheel guard adjustment is important for the operator’s safety and convenience. Further shielding the operator from high back twist torque and preventing gear train damage with the aid of a slip clutch.

Ergonomic. The use of ergonomic design has become widespread in the power tool sector as well as the grinder market. Both right- and left-handed users can wield the tool more efficiently with an ergonomically built grinder. A greater overall grip is also made possible by two-position side handles that may be fitted into the left or right of the gear housing.

Take a Look at Various Brands Selling High-Quality Angle Grinder Machine

Bosch Angle Grinders. Bosch angle grinders are renowned for their adaptability to satisfy customer demands. The goods offered by Bosch in this area have been chosen with technicians’ requirements in mind. The price of the angle grinder has been set according to consumers’ purchasing power.

DeWALT Angle Grinders. Angle grinders made by DeWALT are appropriate for metalworking and usage on concrete surfaces. DeWALT offers the newest angle grinders on the market to cater to the evolving needs of industrial employees. The tools that are part of the DeWALT line are excellent for use in industrial settings and construction projects.

Black and Decker Angle Grinders. Because of their powerful engines, Black and Decker angle grinder machines are quite helpful for precise cutting and grinding tasks in industrial settings. Models in the Black and Decker grinder series provide excellent choices for metal grinding, granite polishing, and metal sheet cutting. A dust-sealed switch is included with these angle grinders.

Makita Angle Grinders. Users greatly value Makita angle grinders for their capacity to eliminate corrosion. They are well-polished and have edges that are smooth. The products that are part of this category are priced in a wide range to accommodate both professional’s and DIY enthusiasts’ budgets. The Makita angle grinders have excellent durability and have passed quality inspections to satisfy the required criteria.

Cheston Angle Grinders. The Cheston Angle Grinder machines are strong and adaptable, making them ideal for a wide range of applications. They can handle the most difficult tasks easily, resulting in quick and effective results. The auxiliary handles provide added stability and control, making them easy to use even in tight spaces.

We also offer various grinder machines from reputed brands like Camel, Ultrafast, Belfix, Powerup, Progen, King, and others.

Buy Durable Hand Grinders at Wholesale Prices

Moglix strives to offer top-notch, reliable, and secure grinder machines for industrial use to meet consumer needs. Before being sent to the customer, Moglix makes sure that only the best angle grinder machines are shipped and that they abide by safety laws. On large purchases, there are tempting discounts and deals. We monitor customer complaints and attempt to resolve them as soon as possible in order to set ourselves apart from other online retailers selling the same products. Here, the best hand grinder machines are available from the top brands at affordable prices. Purchase today to take advantage of wholesale and branded hand grinders.

Frequently Asked Questions about Angle Grinders

What is the difference between a grinder and an angle grinder?

Briefly, a grinder is typically smaller and has many different kinds of attachments that help in operations like cutting, sand, polish, and various other things. Whereas an angle grinder is a bigger and mostly heavier tool that works on a rotating wheel to grind, sand, or cut larger materials.

What do people use angle grinders for?

In a nutshell, an angle grinder is a handheld power tool. This handheld power tool can be used for a variety of metal fabrication jobs, which include cutting, grinding, deburring, finishing, and polishing. Commonly these angle grinders are powered by electricity; either corded or battery-powered.

Can an angle grinder be used for cutting metal?

Yes, an angle grinder can be used for cutting metal with the use of a cutting wheel or disc.

How do I change the blade on an angle grinder?

To change the blade on an angle grinder, first turn off the power, lock the spindle, and loosen the nut that holds the blade in place. Replace the blade with a compatible one and tighten the nut securely.

Where are the angle grinders commonly used?

Angle grinders are commonly used in various industries and applications such as construction, metalworking, automotive repair, and DIY projects. Some common uses of angle grinders include cutting metal or concrete, sanding and polishing surfaces, removing rust or paint, grinding welds, and shaping materials. They are also used in maintenance and repair work for grinding or cutting various objects or surfaces. In short, angle grinders are versatile tools that are widely used for a variety of tasks due to their ability to handle a variety of cutting and grinding applications.

The 8 Best Angle Grinders of 2023

Michelle Ullman is a home decor expert and product reviewer for home and garden products. She has been writing about home decor for over 10 years for publications like BobVila.com and Better Homes Gardens, among others.

Johnathan C. Brewer II is a licensed general contractor specializing in kitchen, bath remodels, and general construction with two decades of professional experience.

Angle grinders are handheld power tools that, depending on the blade or attachment used, can grind, buff, polish, cut, sharpen, and clean a wide variety of materials, including wood, metal, tile, and stone. Deane Biermeier, a licensed carpenter and general carpenter advises, “Angle grinders are highly versatile tools if you get the right one for your needs. The best for most DIYers are 4 1/2-inch disc models. Look for high torque, wattage (or voltage for battery operated ones), and variable speeds if you want top-notch results. These features make an angle grinder the most suited for common uses.”

We evaluated angle grinders based on power, versatility, reliability, and ease of use.

Best Overall

Makita XAG04Z 4-1/2-Inch Cordless Angle Grinder

• Brushless motor for longer run time
• Automatically adjusts speed and torque for optimal performance
• Excellent performance

For a top-rated, intuitive angle grinder that will serve you well, no matter how you use it, one of your best options is the Makita XAG04Z cordless angle grinder. This mid-priced tool is powered by an 18-volt battery (which is sold separately), so you won’t be limited by a power cord, yet it still delivers big in terms of power and speed. It accepts 4 1/2-inch or 5-inch blades and attachments, and weighs just 5.6 pounds, so it won’t tire you out, even on a lengthy work session. It has rubberized handles to help minimize vibration to your hands and wrists.

This angle grinder makes quick work of grinding, cutting, and sanding various materials, such as concrete, tile, pipes, and more. It features automatic speed-change technology, which adjusts the speed and torque during operation for optimized performance, no matter what you’re working on. The tool’s brushless motor is electronically controlled to prolong battery life, lasting up to 50 percent longer per charge.

This high-quality tool is well balanced and lightweight, yet it delivers impressive power that’s perfect for tackling just about any job, like cutting curves in cement backer boards.

Price at time of publish: 106

Power Source: 18-volt battery | Disc Size: 4.5 or 5-inch | Max. Speed: 8,500 rpm

Best Budget

Metabo HPT G12SR4M 4-1/2-Inch Angle Grinder

• Keeping power switch depressed is a bit tricky
• Noisy
• No variable speed control

You could easily spend a couple hundred dollars on a high-end angle grinder and all of its attachments, but if you’re just starting out with this tool, you may be better off with a budget option, such as the Metabo HPT (formerly Hitachi) G12SR4M 6.2-Amp 4-1/2-Inch Angle Grinder. This grinder has a top no-load speed of 10,000 rpm but does not have variable speed control capabilities.

This powerful angle grinder comes with five abrasive discs, as well as a storage case. The tool is compact and lightweight at just 4 pounds, which is great for control and versatility. Its unique side handle makes it comfortable for both right- and left-hand users, and it delivers impressive overload durability, increasing its reliability and lifespan. You can use this angle grinder on various metals, such as steel, bronze, or aluminum, as well as on slate, brick, and more. It’s especially handy for cutting and removing bricks.

Price at time of publish: 49

Power Source: Corded | Disc Size: 4.5-inch | Max. Speed: 10,000 rpm

Best Cordless

DeWALT DCG412B Cordless 4-1/2-Inch Angle Grinder

• Well designed for easy use and handling
• Two-position side handle
• Powerful performance

Cordless angle grinders are often beneficial, as they’re more portable and versatile, since you’re not restricted by a power cord. For a high-end cordless angle grinder, you can’t go wrong with the DeWALT DCG412B, which can use either a 4 1/2-inch or a 5-inch grinding wheel. This is a lightweight, versatile, and powerful angle grinder that you can use for a variety of applications, such as sharpening other tools like an axe, chisel, or lawn mower.

The downside of this product is that the batteries and chargers are sold separately, but you definitely won’t be disappointed with the performance of this cordless tool. This grinder is perfect for a wide range of applications, including construction, maintenance, and even automotive work. It features a quick-change wheel release that allows you to switch discs without any tools, and the 8,000-rpm motor provides all the power you need for cutting and grinding a variety of materials. The handle can be adjusted in two different positions to suit your needs best.

Price at time of publish: 139

Power Source: 20-volt battery | Disc Size: 4.5-inch or 5-inch | Max. Speed: 8,000 rpm

Best Variable Speed

Bosch GWS13-50VS Variable Speed Angle Grinder

Most angle grinders operate at just one speed, but if you’re looking for a more versatile tool, you may want a variable speed angle grinder such as this one from Bosch. The Bosch GWS13-50VS is an 13-amp corded angle grinder that comes with a 5-inch grinding wheel, but it can also use 4.5-inch wheels. This is a highly-rated product that can operate between 2,800 and 11,500 rpm, making it suitable for a variety of applications, both professional or around the house tackling repairs or DIY projects.

This tool also has a variety of other features that give it more power and more control than other options. For instance, it features a two-position vibration-control handle for your comfort, as well as directed airflow that blows dust away from vital components in order to extend the life of the tool. It also has up to two more amps of power than previous generations.

Price at time of publish: 159

Power Source: Corded | Disc Size: 5-inch | Max. Speed: 11,500 rpm

Best for Concrete

DeWALT DWE402 4-1/2-Inch Angle Grinder

With the right disc attachment, angle grinders are even powerful enough to cut through concrete. If you’re looking for a tool to help you grind down or slice through this tough material, you may want to opt for the DeWALT DWE402, which has an 11-amp motor and a 4 1/2-inch grinding wheel. It’s designed to be comfortable and easy to grip, even on long work sessions.

This tool excels in terms of power-to-size ratio, delivering 11,000 rpm, yet only weighing around 6 pounds. It has a two-position side handle for a comfortable grip, and its dust-ejection system helps to ensure that particles do not enter the tool and compromise its lifespan. This is the grinder to choose if you want to make quick work of concrete surfaces, grind down floors, or deeply score sidewalks with ease. Use the grinder to level off an uneven garage floor or do similar tasks. Of course, you can also use it for other common angle grinder projects, such as grinding, buffing, or cleaning wood and other materials.

Price at time of publish: 129

Power Source: Corded | Disc Size: 4.5-inch | Max. Speed: 11,000 rpm

Best for Wood Carving

King Arthur’s Tools MERLIN2 Angle Grinder Universal Carving Set

• Perfect for woodworking or other small, detailed projects
• Variable speed
• Includes six discs

Many woodworkers use angle grinders to rough-sand their creations, but you shouldn’t use a standard grinder for more delicate applications when carving or carrying out other craft-related woodworking tasks. Instead, it’s best to get a tool that’s specially designed for use on wood, such as the King Arthur’s Tools MERLIN2 Universal Carving Set, which has a mini 2-inch grinding wheel. While more expensive than some other options, this set comes with everything you need to create intricate details and smooth finishes on wood surfaces, as well as most other non-metal materials, including plastic, rubber, fiberglass, and bone.

The mini angle grinder uses just one amp of power, saving you energy, and the kit comes with six accessories, including course, medium, and fine sanding discs. The grinder has a high-capacity fan and air vents that allow it to stay cool and be used for longer woodworking sessions. Plus, the textured, ergonomic design gives you better comfort and control.

Price at time of publish: 303

Power Source: Corded | Disc Size: 2-inch | Max. Speed: 13,000 rpm

Best for Home Projects

Makita 9557PBX1 4-1/2-Inch Angle Grinder

If you need an angle grinder to tackle projects around the house, it’s hard to go wrong with the affordable Makita 9557PBX1 4-1/2-Inch Angle Grinder. While it only has a 7.5-amp motor and a small barrel grip, that doesn’t stop it from doing a great job on a variety of home projects, such as cleaning tools and removing rust, buffing metal and other materials, smoothing rough edges, grinding down metal, or cutting tile. Its top no-load speed is 11,000 rpm.

In addition to the tool, this set comes with five grinding wheels, as well as a metal tool case to store everything in — a perfect addition to your home workshop. The extra-large paddle grip and ergonomically designed barrel make the tool easy to control and comfortable to work with, even when your projects go long. Plus, the tool is designed to protect the motor from dust and debris, which extends the life and improves the performance of the grinder.

Price at time of publish: 97

Power Source: Corded | Disc Size: 4.5-inch | Max. Speed: 11,000 rpm

Best 7-Inch

Makita GA7021 7-Inch Angle Grinder

When tackling a big project that requires a lot of muscle, sometimes a smaller angle grinder just won’t cut it. That’s when you’ll appreciate the power and size of the Makita GA7021 7-Inch Angle Grinder. This powerful tool makes quick work of grinding or cutting through concrete, metal, and other tough materials. This grinder can break down an entire cast iron tub with relative ease and little mess, and it has a top no-load speed of 6,600 rpm.

The 15-amp motor runs smoothly, and the lock-on power switch makes it easy to handle the tool without hand fatigue. Like most large angle grinders, you’ll want to keep a firm grip as you work, as otherwise you might lose control. Luckily, the three-position side handle makes that easy. As you’d expect, this is a heavier angle grinder than the typical smaller version; the GA7021 is almost 19 inches long and weighs a little over 12 pounds. Still, if you have a big project, this is the angle grinder that will help you get the job done.

Price at time of publish: 155

Power Source: Corded | Disc Size: 7-inch | Max. Speed: 6,600 rpm

It’s highly versatile, it has plenty of power and speed, it doesn’t weigh too much, and it tackles a wide variety of materials. That’s why the Makita XAG04Z 4-1/2-Inch Cordless Angle Grinder is our top choice. But if you are looking for something budget-priced, and don’t mind sacrificing a little bit of versatility and advanced features, you’ll find that the Metabo HPT G12SR4 4-1/2-Inch Angle Grinder is a fine choice as well.

What to Look for In An Angle Grinder

Power Source

As with many power tools, you’ll have two basic choices when it comes to angle grinders: corded and cordless. There are also pneumatic angle grinders, but they are mostly used in professional auto shops, not by the average DIYer.

Corded angle grinders require you to remain within reach of an electrical outlet, but in return, you gain more power and can have no fears of running out of power before you finish your task. Cordless angle grinders are very versatile, particularly when working in tight quarters, but there’s a chance that the battery will run down before you are finished. You can solve that problem, however, by having two batteries so that one can be in use while the other is charging.

Thomas Hawkins, a handyman, master electrician, and owner of Electrician Apprentice HQ, expands further, advising, “The corded versus cordless debate depends upon the project. If working in a tight area where you don’t need a lot of power but need versatility, go cordless. But if you’re not restricted in your movements and especially need extra power, go corded. It all boils down to what you’re trying to accomplish.”

Disc Size

The angle grinders that are most favored by the DIY set are smaller tools that take 4 1/2-inch or occasionally 5-inch discs. These angle grinders aren’t exceptionally heavy and are small enough to get into small spaces (most are around 12 inches long) and yet large enough to have the power to tackle most typical grinding, sanding, or sharpening tasks around the home, yard, or garage. You’ll find a wide range of both corded and cordless angle grinders in this size range.

Angle grinders that take 7-inch or 9-inch discs are more powerful but also heavier and not as easy to maneuver in tight spaces. Almost all of these tools are corded. While some DIYers might have a need for these large angle grinders, particularly if they do a lot of auto repair or major remodeling projects, more commonly professionals who need the maximum in size and power choose these tools for use in cutting through concrete, steel, or similar very hard materials.

Speed

The speed of an angle grinder’s spinning disc is measure in rotations per minute (rpm). Note that the speeds stated by manufacturers are normally the maximum speeds achieved by the tool when it’s not “loaded,” i.e., actively in use grinding or sanding. Remember also that the faster the speed, the hotter the disc becomes. Never run a disc at a higher speed than its stated maximum, as the disc could shatter, potentially causing severe injury.

Smaller angle grinders generally have maximum rotations in the 5,000- to 11,000-rpm range, and many have variable speed controls so you can tailor the speed to your needs. Larger angle grinders usually have lower maximum speeds, often in the 5,000- to 8,000-rpm range.

Angle grinders are versatile tools that can perform a variety of tasks for both DIY and commercial projects. They are particularly useful if you do a lot of work with metal or masonry, including concrete, brick, or stone. You just need the right blade or attachment. As the name suggests, this is the perfect tool for grinding away burrs, imperfections, and rough edges on metal. You can also use your angle grinder to buff or polish metal, remove paint and rust, and cut straight or curved lines. When it comes to masonry, use your angle grinder to cut through concrete, brick, or stone. It’s a great tool for removing mortar from between bricks or underneath tile, and it works well to cut tiles when laying a new floor, countertop, or tub surround.

• Use a pencil to mark the desired cutline on the top of your paver. Flip the paver over, and mark the cutline underneath, as well.
• Don protective gear, including safety goggles and a dust mask. Cutting pavers creates a lot of dust, and you don’t want to damage your eyes or respiratory system.
• Set the paver on a flat, sturdy surface that isn’t slippery. If necessary, lay a rubber mat underneath the paver to prevent slipping or sliding as you work.
• Start with a shallow cut along the marked cutline. Continue to make shallow passes with the angle grinder until the cut is around 1/2 inch deep.
• Flip the paver over, and trace the bottom cutline with your angle grinder, making shallow cuts until you’ve reached around 1/2 inch to 1 inch deep into the paver.
• Set the paver on a flat, raised surface so the unneeded portion of the paver hangs over the edge.
• Tap the unneeded portion of the paver with a hammer or mallet. The paver should break along your cutline.
• Repeat the process with the rest of your pavers.
• 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 that 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?

This article is edited and updated by Michelle Ullman, the tool expert for The Spruce. She has extensive experience not only in writing about all things related to the home, but also in carrying out various DIY projects, including landscaping, painting, flooring, wallpapering, furniture makeovers, and simple repairs.

For this roundup, she considered dozens of angle grinders, taking into account features, power, price, and brand reputation, as well as reviews from both professional and DIY buyers, and advice from Thomas Hawkins, a handyman, master electrician, and owner of Electrician Apprentice HQ, as well as Deane Biermeier, a licensed carpenter and general contractor and a member of The Spruce’s Home Improvement Review Board.

The Best Angle Grinders, According to 27,500 Customer Reviews

Welcome to the Thomas guide to the best angle grinders 2023. Thomas has been connecting North American industrial buyers and suppliers for more than 120 years. When you purchase products through our independent recommendations, we may earn an affiliate commission.

An angle grinder is one of the more versatile power tools in a toolbox. They are excellent for cutting metal, steel, or other hard materials. They can also be used to sharpen metal tools or cut construction materials, though sharpening blades with an angle grinder takes practice and professional knowledge. Some professionals even use them to sand a wood carving or remove corrosion from tools.

Good grinders can easily cut through most types of metal. They have a strong and oftentimes cushioned handle as well as easily accessible buttons to change speeds and turn on and off. Users should always use safety goggles during the grinding process as a safety precaution, especially when using one of these tools to cut metal.

Here is a list of the best angle grinders, followed by a buying guide to help you select the best angle grinder.

Thomas’ Top Picks for the Best Angle Grinders 2023

Review our list below to find the best angle grinder for your needs from pneumatic, cordless or corded models.

Best Pneumatic Angle Grinders: Ingersoll Rand 5102MAX Air Die Grinder | Buy Now

Best Compact Angle Grinders: Bosch Angle Grinder | Buy Now

Best Angle Grinders for DIY Projects: Avid Power Angle Grinder | Buy Now

Scroll down to read more about these top picks for the best angle grinder, according to many happy buyers.

listed in this article were as shown in US on amazon.com (USA) as of May 2023

Best Angle Grinder with Diamond Blade—DeWALT Angle Grinder

With a powerful 11-amp motor, this DeWALT 4.5-inch angle grinder boasts a lot of power. The blade can be used for dry or wet cutting while its DeWALT dust ejection system stops dust and debris from getting into the tool. It also features a paddle switch design, spindle lock button, tool-free wheel removal, and spiral bevel gear.

“This DeWALT angle grinder tool has a kick like a mule because it is that powerful,” wrote a customer. “It’s got torque like few other hand tools I’ve experienced. The revolutions on this thing are so fast it actually feels lighter when activated.”

Disc size: 4.5 inch

Dust catcher: Yes

Motor power: 11-amp motor

Best Cordless Angle Grinder—DeWALT Cordless Angle Grinder

When looking through cordless angle grinders to buy, long battery life is usually top on the list of musts, which is why this DeWALT angle grinder with its brushless motor topped our list for the best cordless model. The kit includes the grinder, a Rapid charger, and a 60V battery. The variable speed works depending on how much pressure is placed on the power button, with light pressure for low speed and hard pressure to reach the maximum speed.

“Without question, this tool is a beast,” raved one reviewer. “It never bogged down under the most intense use and was light enough to make using it a pleasure. The power on this 60-volt model is exceptional—particularly considering it is battery powered.”

Wheel diameter: 4.5-inch angle grinder

Dust catcher: No

Motor: Battery-powered brushless motor (13-amp motor equivalent)

Best Corded Angle Grinder—BLACKDECKER Small Angle Grinder

There are many different ranges of power tools available for professionals and homeowners alike, so even those on a budget can find an affordable angle grinder for their needs—this BLACKDECKER power tool is a prime example. For under US30, shoppers can get this small angle grinder that has three different handle positions for a more firm grip for different projects.

It can be used with type 27 or 29 flap discs and comes with both a metal grinding wheel and a wheel guard. “Will cut through about anything,” described one shopper. “I use it on a regular basis when modifying my Jeep Cherokee, and when a large branch fell on my house, I grabbed it to cut through some limbs.”

Disc size: 4.5-inch angle grinder disc

Dust catcher: No

Motor: Power output at 120V

Best Pneumatic Angle Grinder—Ingersoll Rand Angle Grinder

Matching the power of a gas grinder, this pneumatic angle grinder from Ingersoll Rand is one of the more versatile tools buyers can add to their toolboxes. It can be used to polish, grind, sand, or hone a variety of materials, including wood, plastic, cast iron, or steel. Customers did note, however, that the guard for the blade does not come with the kit, and the different size holders and mandrels are sold separately.

“Build quality is exceptional—and I am a mechanical engineer who designs stuff like this for a living,” explained one shopper. “Very good ergonomics. The button to lock out the spindle for tool changes is much, much handier than I was expecting it to be. No more fumbling with two wrenches.”

Disc size: Most discs that are compatible with a ¼-inch shank size or 6mm collet

Dust catcher: No

Motor: 20,000 rpm

Best Powerful Angle Grinder—Makita Angle Grinder

Cordless tools with a powerful brushless motor, like this Makita angle grinder, offer the freedom and flexibility of working in tight spaces. The small diameter barrel grip on this versatile tool makes it easy to steady this machine even with the strong power output it gives. One customer felt that they would have preferred a trigger-style power switch but the overall consensus from the majority of customers was that this angle grinder is easy to use and a top product.

“I used it to cut out two 20-inch circles from 10 gauge expanded metal as grates in my burn barrels,” explained one customer. “Again, no problem whatsoever. Wore out one cut wheel and ¼ of the next.”

Disc size: 4.5-inch flap disc

Dust catcher: No

Motor: Brushless motor that works with 3 or 4 amp motor batteries

Best Grinder Kit—WORKPRO 20V Angle Grinder Kit

As a complete angle grinding kit for anyone starting out, this WORKPRO cordless power tool set includes five metal cutting wheels, five grinding wheels (including a cutoff wheel and a grinding wheel protector), the battery, charger, and wrench. Other features include an electronic brake and an ergonomic three-position handle.

“No problem cutting through ¼-inch angle iron,” described one consumer. “Really like the three positions for the handle. I mainly bought it to grind, buff, and use with a wire wheel, but was pleasantly surprised at how well the battery did when it came to actually cutting.”

Disc Size: 4.5-inch angle grinder

Dust catcher: No

Motor: Brushless motor

Best Angle Grinder with Spindle Lock—DeWALT Paddle-Switch Angle Grinder

Using an angle grinder equipped with a spindle lock like the one found on this corded DeWALT grinder is a good safety feature when grinding for long periods. What’s more, the convenient paddle switch locks on for heavy-duty jobs. This tool doesn’t come with grinding wheels, and it does not have an electronic brake.

One customer who is a truck mechanic wrote, “I have put many quality grinders in their final resting place. [For] most of them, you could tell on day one what to expect. This one will be with me at home for the rest of my years. I fed this thing a hot supper for eight hours straight upon receipt.”

Disc size: 4.5-inch angle grinder

Dust catcher: No

Motor: 11 amp motor

Best Compact Angle Grinder—Bosch Angle Grinder

To cut metal in hard-to-reach places, small angle grinders like this four-pound Bosch angle grinder are excellent. Aside from the tool, buyers will receive a tool-less disc change, a flange kit, a spanner wrench, and a grinding wheel.

The size makes it deserving of a spot in tool bags, but be aware that the case can get hot with extended use. Buyers can also purchase this model with a dust ejection system for smooth operation. “Sweet grinder,” expressed one shopper. “Bigger amps than similarly-sized grinders. Fits the hand well.”

Disc size: 4.5 inches

Dust catcher: No

Motor: 8.5 amp motor

Best Variable Speed Angle Grinder—Makita Angle Grinder

The five variable speeds on this Makita angle grinder make it one of the more versatile grinders available. It can cut anything from granite to metal with different grinding wheels. The only caveat is that this grinder gets very hot when cutting thicker materials, so gloves should be used to protect the hands.

It comes with a three-year warranty. One reviewer expressed, “Drilled a three-inch hole in concrete as well as cut some four-inch cast with a diamond blade. Variable speed is worth every penny.”

Disc size: 5 inches

Dust catcher: No

Motor: 13 amp motor

Best Angle Grinder for DIY Projects—Avid Power Angle Grinder

DIYers will like the features of this Avid Power angle grinder for projects around the home. The blade guard protects users against flying debris, while the two-position handle allows for more control when working on specific materials.

Some buyers didn’t find the instructions to install the shield piece easy to read, but this component should easily move at a 360° angle if installed correctly. “This is just what I needed,” wrote one shopper. “Plenty of power for just about anything I do around the house and DIY projects.”

Disc Size: 4.5 inches

Dust catcher: No

Motor: 7.5 amp motor

The Best Angle Grinders—Summary

For a complete cordless angle grinder kit that includes everything needed to grind, cut or polish, the WORKPRO angle grinder (US84.99, Amazon) is a top choice. The versatility that the five variable speeds bring to many projects is also an excellent option with the corded and powerful Makita grinder (US181.26, Amazon).

Choosing the Best Angle Grinders—Buying Guide

Read on below to learn more about the different angle grinders and their best uses.

Types of Angle Grinders

There are four main types of angle grinders available, each with its own strengths, limitations, and type of power source. Most angle grinders can either be cordless, corded, gas-powered, or pneumatic.

Cordless Angle Grinders

Cordless power tools do not have the distance limitations of a power cord and allow operators the freedom of using them wherever they want, even outdoors. With battery technology improving every year, some cordless models are on-par, power-wise, with electric models. The only limitation of battery-powered grinders is if users don’t have a backup battery, then cordless grinders will generally only have a little over 45 minutes of run time.

Corded or Electric Angle Grinders

Corded models are one of the more popular types of angle grinders purchased for their power and unlimited power duration. A corded grinder is restrained by its cord, but for bigger jobs, a corded model doesn’t require batteries or the high maintenance needed for a pneumatic or gas power source angle grinder.

Pneumatic Angle Grinders

Pneumatic grinders work by using air pressure from an air compressor. When it comes to power levels, these would come just after gas-powered angle grinders and can be very expensive to own and operate, considering that air compressors have to be changed often because the refills are quite small and don’t hold that much air. One perk to a pneumatic version is that is tends to run longer than a cordless tool and is more powerful than a corded model.

Gas-Powered Angle Grinders

Like most gas-powered tools, gas angle grinders are the most powerful angle grinders available on the market. They are more expensive than other types of grinders and are also heavier. Additionally, gas-powered versions require a lot of maintenance and are not a top choice for smaller jobs.

We hope our review of the best angle grinders has been helpful, whether you were after something for heavy-duty projects or a model with the best safety features.

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