Best Power Grinders of 2026
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Power grinders are a versatile and essential tool for any DIY enthusiast or professional tradesperson. These powerful machines use abrasive discs or wheels to grind, sand, and polish a wide range of materials, including metal, wood, and concrete. They are available in a variety of sizes and styles, from handheld models to large, industrial-grade machines. With their ability to quickly and efficiently remove material, power grinders are an essential tool for any project that requires precision and accuracy. Whether you're working on a home renovation project or a large-scale construction job, a power grinder can help you get the job done quickly and effectively.
At a Glance: Our Top Picks
Top 10 Power Grinders
DEWALT 20V MAX* Angle Grinder Tool
The DEWALT 20V MAX* Angle Grinder Tool is a powerful and reliable tool for grinding and cutting metal. It features a brushless motor that requires no brush changes, a kickback brake that engages when a pinch, stall, or bind-up event is sensed, and an E-Switch Protection that requires two actions to activate the tool. With its lightweight design and long-lasting battery, this angle grinder is perfect for any job.
Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder
The Milwaukee 2880-20 M18 FUEL Brushless Lithium-Ion 4-1/2 in. / 5 in. Cordless Small Angle Grinder is a powerful and versatile tool designed for comfort and ease-of-use. It features a Paddle Switch Design for increased comfort and ease-of-use when operating in various positions, a Tool-Free Guard Adjustment for faster guard installations and adjustments, and a Tool-Free Accessory Changes with Integrated FIXTEC Nut Technology. It also has an Electronic Clutch for kickback protection and a 5/8 in. - 11 Spindle for use with common grinding accessories.
DEWALT Angle Grinder with Paddle Switch
The DEWALT Angle Grinder with Paddle Switch is a powerful tool that provides the best power to weight/size ratio available. Its Dust Ejection System ensures durability by ejecting damaging dust and debris particles that enter the metal grinder. The oversized brushes provide 2 times brush life over the previous model, and the large spiral bevel gear provides long transmission life. The One-Touch Guard allows for 360 degree rotation of the guard with a single action, and the Quick-Change Wheel Release allows tool free wheel removal without the need for a wrench. The uniquely small gripping surface in this power class allows for the best comfort available in this class.
BOSCH GWS8-45 Angle Grinder
The BOSCH GWS8-45 Angle Grinder is a lightweight and compact tool, perfect for professional cutting and grinding applications. With a powerful 7.5-amp motor that produces 11,000 no-load RPM, it provides outstanding user comfort with its slim-grip design and two-position side handle. The grinder also features directed air flow to enhance durability and longer tool life while the burst-protection guard provides quick adjustments for user security. Additionally, the service Minder brush system shuts off the tool when preventative maintenance is required, extending the overall tool life. The BOSCH GWS8-45 Angle Grinder comes with an auxiliary handle, wheel guard, flange kit, spanner wrench, and 4-1/2-inch abrasive wheel.
Dewalt DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder
The Dewalt DCG412B 20V MAX* Lithium Ion 4-1/2” Grinder is a powerful angle grinder with an 8,000 rpm motor that provides high power for cutting and grinding applications. It features a Quick-Change Wheel Release that allows for tool-free wheel removal without the need for a wrench. The tool-free guard allows for quick and easy guard adjustments/positioning, while the 2-finger trigger switch with lock-off button provides convenient activation and easier gripping. Additionally, the 2-position side handle offers greater control, comfort, and versatility.
SOLUDE 4-1/2-Inch 750W Angle Grinder
The SOLUDE Power Angle Grinder offers a powerful 750W motor that delivers speeds up to 11,000 RPM, making your cutting, grinding, and sanding tasks faster and more efficient. It features a metal protective cover that keeps you safe by preventing sparks and debris from flying during use. The tool also has a large cooling system that prevents overheating, ensuring the grinder lasts longer. Its unique spindle lock allows you to change discs quickly, saving you time. Plus, the compact design helps you reach tight spaces easily, giving you better control and convenience for various projects.
WEN BG4276 2.1-Amp 6-Inch Single Speed Bench Grinder
The WEN BG4276 2.1-Amp 6-Inch Single Speed Bench Grinder is a powerful and versatile tool for sharpening knives, bits, and other tools. It features a 2.1-amp motor that turns the 6-by-3/4-inch grinding wheels at speeds of up to 3450 RPM, a flexible work light to illuminate your project during operation, and adjustable eye guards for safety. It also includes one 60-grit wheel and one 36-grit wheel. Customers have praised its quiet motor, easy assembly, and reliable performance.
RYOBI PCL445B ONE+ 18V Angle Grinder
The RYOBI 18V Angle Grinder is designed to make your grinding tasks easier and more efficient. It features a spindle lock that lets you change accessories quickly without hassle, saving you time on the job. The 3-position side handle offers you better control, allowing you to work comfortably from different angles. Its die-cast metal gear case provides extra durability, so the tool can withstand tough use and last longer. Keep in mind, the battery and charger are sold separately, so you'll need to have those ready to power your grinder.
Makita 18V LXT Lithium-Ion Brushless Cordless Angle Grinder
The Makita 18V LXT Lithium-Ion Brushless Cordless Angle Grinder delivers corded grinding performance without the cord. It is powered by a Makita Brushless motor for longer run time, increased power and speed, and longer tool life. The grinder is ideal for grinding, cutting and sanding a wide range of materials including tile, concrete, pipe, conduit, and more. It's part of Makita’s expanding 18V Lithium-Ion system, the world’s largest cordless tool system powered by 18V Lithium-Ion slide-style batteries. For improved tool performance and extended battery life, Makita created Star protection Computer controls.
AVID POWER Angle Grinder - Powerful, Ergonomic, and Safe
The AVID POWER Angle Grinder is a powerful and versatile tool that is perfect for cutting, grinding, polishing, and rust removal. With a 7.5 Amps motor and 900W max output power, this portable grinder can produce a no-load speed of 11000RPM for even the most demanding applications. Its slim, lightweight, and ergonomic design provides better comfort and reduces fatigue during professional cutting and grinding applications. The integrated spindle lock and 2-position auxiliary handle position make it easy to use and control, while the protective cover ensures safety during use. The package includes two metal grinding wheels, two cutting wheels, one side handle, one spanner, one flap disc, and a user manual.
Frequently Asked Questions (FAQs)
1. What is a power grinder used for?
A power grinder, specifically an angle grinder, is a handheld tool used for various metal fabrication tasks. It can be used for cutting, grinding, deburring, finishing, and polishing. Angle grinders are powered by electricity, either through a cord or a battery.
2. Why are 9 inch grinders banned?
9 inch grinders have been banned from many work sites due to the increased risk of injury. Workers often remove guards or use incorrect discs, which significantly raises the risk level. This has resulted in catastrophic injuries and fatalities, leading to the ban of 9 inch grinders in certain workplaces.
3. What are the top 3 uses of a grinder?
Grinders, particularly angle grinders, have three primary functions: cutting, grinding, and polishing. They operate at high speeds, making cutting tasks easier and providing better precision compared to stationary grinders. These handheld tools are versatile and commonly used for various metalworking applications.
4. Does OSHA require guards on grinders?
Yes, according to OSHA regulations, portable grinding tools must be equipped with safety guards. These guards serve to protect workers not only from the moving wheel surface but also from flying fragments in the event of wheel breakage.
5. Will a 9 inch grinder cut through a brick?
Yes, a 9 inch angle grinder is capable of cutting through larger-sized bricks. However, smaller sizes of bricks can be cut using 4-inch or 6-inch grinders. The size of the grinder disc determines its cutting capacity.
6. What are the 4 types of grinding machine?
There are five main categories of grinding machines: surface grinders, cylindrical grinders, centerless grinders, internal grinders, and specials. Surface grinders are used to produce flat, angular, and irregular surfaces.
During our power grinder research, we found 24 power grinder products and shortlisted 10 quality products. We collected and analyzed 174,757 customer reviews through our big data system to write the power grinders list. We found that most customers choose power grinders with an average price of $97.67.
The power grinders are available for purchase. We have researched hundreds of brands and picked the top brands of power grinders, including DEWALT, Milwaukee, Bosch, SOLUDE, WEN. The seller of top 1 product has received honest feedback from 117 consumers with an average rating of 4.8.
Harry Stack owns a small hardware store, his career landed him a depth of knowledge in categories such as tools, equipment, machinery and hardware. In his spare time, he usually repairs furniture, safes and appliances, and he knows how to make simple repairs to plumbing or electrical fixtures. His hobbies also include woodworking and fishing.
Power Grinders Comparison Table
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| Brand | DEWALT | Milwaukee | DEWALT | Bosch | DEWALT | SOLUDE | WEN | RYOBI | Makita | AVID POWER |
| Power Source | Battery Powered | Battery Powered | Corded Electric | Corded Electric | Battery Powered | Corded Electric | AC | Battery Powered | Battery Powered | Corded Electric |
| Material | Metal, Plastic | Metal | Metal, Plastic | Plastic | - | Metal | Alloy Steel | ABS Plastic | Polymer | Acrylonitrile Butadiene Styrene, Aluminum |
| Style | 20V Brushless 4-1/2" Grinder (Tool Only) | Hammerdrill | Angle Grinder only | Industrial | 20V MAX Cut-Off Tool | - | Bench Grinder | RYOBI PCL445B ONE+ 18V Cordless 4-1/2 in. Angle Grinder (Tool Only) | Angle Grinder | Corded Angle Grinder |
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