Find the Best 4 inch Angle Grinder for your projects. Expert reviews, comparisons, and buying guide for the best models on the market.
You know the feeling – you’re itching to start that next project but don’t have the right power tool. Specifically, you need a compact, versatile angle grinder that can handle detail work as well as heavy-duty jobs. Well, get ready to say goodbye to your tool woes. We’ve got the inside scoop on finding the perfect 4-inch angle grinder for any DIY or pro job.
Whether you’re cutting, grinding, sanding, or polishing, we’ll walk you through the top-rated models on the market. You’ll learn the key features to look for, from motor power to safety protections. We’ve even got specific recommendations based on your needs and budget. So get ready to find the ideal angle grinder and take your projects to the next level!
What to Look for in the Best 4 Inch Angle Grinder
| Feature | Description | Importance |
|---|---|---|
| Power Source | Corded (unlimited power, but less portable) or Cordless (more convenient, but run time depends on battery) | Consider your work environment and how much freedom of movement you need |
| Speed (RPM) | Higher RPMs mean faster cutting and grinding | Look for a grinder that provides enough speed to handle your typical materials and tasks |
| Motor Power (Amps or Watts) | More powerful motors handle tougher jobs and thicker materials | Choose the power level that aligns with your workload |
| Disc Guard | Adjustable guards provide better safety and flexibility | Essential safety feature, prioritize adjustable guards |
| Handle | Multi-position handles offer comfort and control in different working positions | Impacts fatigue and precision of work |
| Spindle Lock | Allows for quick and easy disc changes | Saves time and reduces frustration |
| Vibration Control | Reduces hand fatigue during extended use | Important for comfort and safety during long sessions |
| Weight | Lighter weight means easier maneuverability | Especially important for overhead or intricate work |
Power and Disk Size
For most DIY and home renovation projects, a 4-inch angle grinder with a 5 to 8-amp motor should work great. This provides enough power to cut through metal, tile, and stone without overheating. For professional use or heavy-duty cutting jobs, opt for a 9 amp or higher model. Also consider the disk size—most angle grinders accept 4- to 4.5-inch disks, giving you a good range of cutting and grinding options.
Speed Control and Safety Features
Look for a model with multiple speed settings so you can match the speed to the job. A speed control dial or trigger allows you to start slowly and then increase the speed. Safety features like a paddle switch, locking mechanism, and emergency cut-off are also important. These help prevent accidental starts and give you quick shutoff ability in case of kickback or loss of control.
Comfort and Ease of Use
An angle grinder needs to feel balanced and comfortable to use for extended periods. Look for a model with an ergonomic grip, vibration-reducing handle, and overall lightweight but durable build. Other useful features include a spindle lock for quick disk changes, tool-less guard adjustment, and a removable dust shield to help contain debris.
With the variety of angle grinders on the market, you have options for both DIYers and professionals. By considering key factors like power, disk size, speed control, safety mechanisms, comfort, and ease of use, you can find an angle grinder perfect for your needs. Once you start using this versatile power tool, you’ll wonder how you ever lived without it!
Top 5 Best 4 Inch Angle Grinders Reviews
| Model | Features | Pros | Cons |
|---|---|---|---|
| Dewalt DWE402 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder | * 11-Amp motor * Paddle switch * Dust-ejection system | * Powerful and durable * Excellent dust protection * Reliable brand | * Paddle switch may not be preferred by everyone |
| Bosch 1375A 4-1/2 Inch Angle Grinder | * 6-Amp motor * Spindle lock * Two-position side handle | * Lightweight and maneuverable * Easy disc changes * Good value for money | * Less powerful than some competitors |
| Makita 9557PBX1 4-1/2-Inch Angle Grinder | * 7.5-Amp motor * AC/DC switch * Labyrinth dust seals * Paddle switch with lock-on | * Powerful motor * Excellent dust protection * Comfortable to use | * Slightly heavier than some models |
| Metabo 6” Angle Grinder | * Powerful motor (varies by model) * Ergonomic design * S-automatic safety clutch | * Durable and reliable * Excellent safety features | * Can be more expensive * Model variations to research |
| Makita GA4530 4-1/2-Inch Angle Grinder | * 6-Amp motor * Compact and lightweight * Labyrinth dust seals | * Great for smaller tasks * Easy to handle * Affordable option | * Not as powerful as larger models |
Dewalt DWE402 4-1/2-Inch 11-Amp Paddle Switch Angle Grinder
This compact yet powerful angle grinder from Dewalt packs an 11 amp motor that spins its 4.5-inch wheel at up to 11,000 RPM. It’s a great all-purpose grinder that can cut, grind, sand, and polish a variety of materials.
The paddle switch is easy to activate, and the tool-free guard adjustment means you can quickly reposition the guard for different jobs. At only $50, this Dewalt workhorse represents excellent value for DIYers and pros alike.
| Feature | Description |
|---|---|
| Motor Power | Next-generation 11-amp AC/DC motor delivers 11,000 rpm for efficient material removal. |
| Dust Ejection System | Expels damaging dust and debris particles, enhancing durability. |
| Brush Longevity | Over-sized brushes provide twice the brush life compared to the previous model (D28402). |
| Spiral Bevel Gear | The newly designed side handle ensures ergonomic handling. |
| One-Touch™ Guard | Guard allows for 360-degree rotation with a single action. |
| Quick-Change™ Wheel Release | Tool-free wheel removal without needing a wrench. |
| Spindle Lock Button | Top-mounted and protected spindle lock button for depth-of-cut control. |
| Ergonomics | Small gripping surface for excellent comfort during extended use. |
| Side Handle Design | The paddle switch prevents accidental start-up. |
| Auto-Off Brushes | Shuts down when brushes need replacing to avoid tool damage. |
| Safety Lock-Off | Paddle switch prevents accidental start-up. |
| Accessories Included | 4-1/2” One-Touch™ (T27) Guard – Wrench – 2-Position side handle. |
| Specifications | AC/DC Capability: Yes – Amps: 11 – Max Watts Out: 1400 W – No Load Speed (RPM): 11,000 – Spindle Size: 5/8-11 in |
Bosch 1375A 4-1/2 Inch Angle Grinder
Bosch is a leader in power tools, and their 1375A angle grinder is a prime example of their quality and performance. It has a beefy 6.0 amp motor that provides plenty of grunt for most cutting and grinding tasks. The “Service Minder” brush system alerts you when the brushes need replacing to keep the motor running at peak efficiency. At 4.5 pounds, the 1375A is compact and ergonomic.
| Feature | Description |
|---|---|
| Motor Power | The Bosch 1375A features a powerful 6.0-amp motor that produces 11,000 no-load rpm, making it a compact yet potent grinder. |
| Size and Weight | This angle grinder is lightweight at only 3.75 pounds, making it easy to handle without tiring your arms. It is also shorter than most angle grinders at only 10.5 inches long. |
| Spindle Thread | Accepts 4 1/2-inch wheels with a 5/8-11 UNC spindle thread. |
| Durability | Epoxy-coated field windings reinforce dust protection properties. The patented Service MinderBrush System stops the tool automatically if an issue arises. |
| Ease of Use | Features a lock-on side switch for smooth operation. The adjustable handle ensures comfort, and the burst protection guard adds security during extended use. |
| Warranty | Backed by a 1-year limited warranty from the date of purchase. |
Makita 9557PBX1 4-1/2-Inch Angle Grinder
Makita is another highly-regarded power tool brand, and their 9557PBX1 angle grinder is a solid, dependable option. It has a 7.5 amp motor and a 4-1/2-inch wheel that can spin up to 11,000 RPM. The labyrinth construction seals and protects the motor from dust and debris.
The 9557PBX1 is very comfortable to operate thanks to its ergonomic shape, vibration-reducing technology, and paddle switch. A lock-on button is also included for extended use. Makita is a brand that’s trusted by professionals, so you know this grinder will get the job done.
| Feature | Description |
|---|---|
| Motor Power | The Makita 9557PBX1 boasts a powerful 7.5-amp motor that delivers an impressive 11,000 RPM for efficient material removal. |
| Compact Design | With a weight of only 4.5 pounds, this angle grinder is lightweight and easy to handle. It also features a small diameter barrel grip for added comfort. |
| Dust Protection | Labyrinth construction seals and protects the motor and bearings from dust and debris, ensuring longer tool life. |
| Lock-On Feature | The lock-on switch allows for continuous operation during extended use. |
| AC/DC Switch | The grinder can be used with alternative power sources. |
| Wheel Compatibility | Accepts 4 1/2-inch grinding wheels. |
| Side Handle | The side handle can be installed on either side of the tool for operator convenience. |
| Warranty | Backed by a 1-year limited warranty from the date of purchase. |
Metabo 6” Angle Grinder
If you need more power or wheel size, Metabo’s 6-inch angle grinder is an excellent heavy-duty choice. It has a 10 amp motor that produces up to 11,000 RPM. The Metabo is built tough with a cast aluminum gearcase, protected ball bearings, and durable composite housing.
A spindle lock makes it easy to change disks, and the long side handle gives you more control and comfort. This Metabo 6-inch grinder is ideal for demanding industrial use, construction, metal fabrication, and welding applications.
Table
| Feature | Description |
|---|---|
| Motor Power | The Metabo 6-inch Angle Grinder features a powerful 13.5-amp motor that delivers 9,600 RPM for efficient material removal. |
| Compact Design | With a small diameter barrel grip of only 2.5 inches, this grinder provides added comfort during use. |
| Dust Protection | Labyrinth construction seals and protects the motor and bearings from dust and debris, ensuring longer tool life. |
| Lock-On Switch | The large paddle switch allows for easy operation and continuous use. |
| Spindle Thread | Accepts 6-inch grinding wheels with a 5/8-11 UNC spindle thread. |
| Torque | Provides 35 in-lbs of torque for efficient cutting and grinding. |
| Usability | The angle grinder has an adjustable side handle and a quick-locking nut for easy wheel changes. |
| Warranty | Backed by Metabo’s warranty for added peace of mind. |
Makita GA4530 4-1/2-Inch Angle Grinder
Rounding out our top five is another solid offering from Makita. The GA4530 has a 4.5-inch wheel and 6 amp motor that spins at up to 11,000 RPM. It’s compact at only 4.5 pounds but has plenty of power for most DIY
| Feature | Description |
|---|---|
| Power | Powerful 6.0 AMP motor delivers 11,000 RPM for the most demanding applications. |
| Comfort | Compact design with a small 2-1/4″ diameter barrel and weighs only 4 lbs. for added comfort during use. |
| Durability | Labyrinth construction, zig-zag varnish, and thicker coil wires contribute to longer tool life. |
| Convenience | Features a lock-on button for continuous operation. |
| Included Accessories | Comes with a grinding wheel, wheel guard, side handle, inner flange, lock nut, and wrench. |
DEWALT 4-1/2-Inch Angle Grinder – Best Overall Pick
When it comes to reliable, powerful angle grinders, DEWALT is one of the top brand’s professionals and DIYers turn to. Their 4-1/2-inch model ticks all the boxes for performance, durability, and ease of use.
Plenty of Power
With a 12 amp motor that spins at 11,000 RPM, this angle grinder packs enough power for most cutting and grinding jobs. It can slice through metal, tile, brick, and stone without bogging down. The 4-1/2-inch disk size is versatile enough for most applications. When you need more power, this grinder is also compatible with 5- and 6-inch disks.
Durable and Safe
DEWALT is known for building its power tools to withstand frequent use and abuse. This angle grinder is no exception with its cast metal gear case, spindle lock, and durable power cord. It also has several safety features like a paddle switch with safety lock-off to prevent accidental startup, as well as an oversized dust exhaust to keep debris out of your face.
Additional Features
Some other convenient features include:
- A 3-position side handle for comfort and control
- A tool-free adjustable guard for quick disk changes
- An ergonomic slim grip design that reduces vibration
- A carrying case for easy transport and storage
For the power, performance, and durability offered by this angle grinder, the price is very reasonable. DEWALT also backs this grinder with a 3-year limited warranty and 1-year free service. If you’re looking for a versatile, hardworking angle grinder to add to your tool collection, the DEWALT 4-1/2-Inch model is a top choice. It delivers professional quality at a DIY-friendly price.
Makita 4-1/2-Inch Angle Grinder – Best for Power
If power and performance are priorities for your angle grinder needs, the Makita 4-1/2-Inch Angle Grinder should be at the top of your list. This workhorse of a tool packs a punch with its powerful 6 amp motor that spins its 4-1/2-inch cutting disk at up to 10,000 RPM. That kind of power will slice through metal, tile, stone, and other tough materials with ease.
Plenty of Power for Demanding Tasks
The Makita’s 6 amp motor provides more than enough power for most DIY cutting, grinding, and polishing work. It powers through rebar, rusted bolts, and other difficult cutting jobs where lesser grinders would struggle. For metal fabrication, it has the power to cut sheet metal, square tubing, and plate steel. If you need an angle grinder that can handle prolonged use without overheating or tripping breakers, the Makita fits the bill.
Durable and Long-Lasting
Makita is known for building power tools that last, and this angle grinder is no exception. Its motor and other components are designed to withstand frequent and demanding use. The grip and gear housing are made of sturdy die-cast aluminum, and the tool comes with a 1-year warranty for your peace of mind. With proper care and maintenance, a Makita angle grinder can provide many years of reliable service.
Overall, the Makita 4-1/2-Inch Angle Grinder offers an unbeatable combination of power, performance, and durability for the most difficult cutting and grinding tasks. For the DIYer or professional who needs an angle grinder that’s up to hard work, the Makita is an excellent choice. While not the cheapest, its quality and longevity provide great value for the investment. This workhorse of an angle grinder earns its reputation as a tool you can count on.
PORTER-CABLE 4-1/2-Inch Angle Grinder – Best Budget-Friendly Option
The Porter Cable 4-1/2-inch angle grinder is an affordable yet powerful option if you’re on a budget. At only $50, this grinder packs a pretty good punch for the price. It has a durable 4.5 amp motor that spins the wheel at a quick 11,000 RPM, allowing you to cut through metal and concrete efficiently.
Durable yet Lightweight
Despite its power, this Porter Cable grinder only weighs 4.5 pounds, so you won’t get fatigued using it for long periods. The lightweight design is made possible thanks to its compact size and durable polycarbonate housing. It’s designed to take a beating in tough workshop conditions.
Tool-Less Guard Adjustment
The grinder features a tool-less guard that adjusts quickly and easily based on the job at hand. You can position the guard for cutting, grinding, or sanding without needing any tools. It has an adjustable wheel guard for flexibility and easy-to-replace brushes so you can keep this grinder running for a long time.
Additional Safety Features
For safety, this angle grinder has a spindle lock mechanism so you can change the wheel with ease. It also features an overload protection circuit to prevent overheating and an anti-vibration side handle for comfortable extended use. The grinder comes with a grinding wheel, cutting wheel, spanner wrench and case for convenient storage and transport.
Great for DIYers and Pros Like
Whether you’re a DIYer or a professional, the Porter Cable 4-1/2-inch angle grinder is a solid option for cutting, grinding, and sanding metal. For light to medium-duty jobs, this compact yet powerful grinder won’t disappoint. And at only $50, it’s really hard to beat for budget-friendly performance. For the price, you’ll be impressed at what this little grinder can do.
BLACK+DECKER 4-1/2-Inch Angle Grinder – Best for Home DIY
If you’re looking for an affordable but capable angle grinder for occasional DIY use, the BLACK+DECKER 4-1/2-Inch Angle Grinder is a great option. This grinder offers solid performance and useful features for DIYers at a budget-friendly price.
Power and Performance
Powered by a 6 amp motor, this BLACK+DECKER grinder provides enough power for common tasks like cutting, grinding, and polishing metal, tile, and stone. It can grind at up to 11,000 RPM, allowing you to cut efficiently through most materials. The 4 1⁄2-inch wheel size is ideal for DIY use.
Adjustable Guard and Handle
The grinder comes with an adjustable guard and side handle so you can optimize its position for comfort and safety. The guard protects you from debris and sparks, while the side handle gives you more control. Both are easy to reposition as needed for different jobs.
Additional Features
This model also includes several useful features for DIYers. It has a spindle lock for quick and easy wheel changes. The grinder is compact and lightweight, weighing only 4.3 pounds, so it’s comfortable to handle and control. It’s also backed by a 2-year limited warranty from BLACK+DECKER for peace of mind.
Overall, the BLACK+DECKER 4-1/2-Inch Angle Grinder is a highly capable yet affordable model perfect for DIYers and occasional use. If you need an angle grinder for cutting, grinding, and polishing metal, stone, or tile around the house, this grinder is an excellent choice. For more frequent or heavy-duty use, you may want to consider a more powerful professional model. But for casual DIY needs, this BLACK+DECKER grinder is hard to beat for value and performance.
Metabo WP9-115 Quick 4-1/2″ Angle Grinder – Best for 1-Handed Use
The Metabo WP9-115 angle grinder is ideal if you frequently do grinding work in tight or awkward spaces. Its compact, lightweight design makes it easy to handle and control with just one hand.
Powerful Yet Compact
Don’t let the small size fool you. This angle grinder still packs plenty of power with its 8.5 amp motor that spins the 4.5-inch wheel at up to 9,000 RPM. The motor is professionally engineered to prevent overheating even during extended use. Despite its power, the WP9-115 only weighs 5 pounds, reducing fatigue during long jobs.
Safety Features
Metabo builds in several features to keep you safe while operating this grinder. An electronic overload protection system prevents the grinder from overheating by automatically shutting it off if temperatures get too high. It also has a two-position side handle that gives you added control and stability. For dust extraction, it includes a dust guard and compatibility with vacuum systems.
Long-Lasting Durability
Like all Metabo tools, the WP9-115 is built to withstand frequent heavy-duty use. Its housing is reinforced with glass fiber for impact resistance, and high-quality ball bearings provide smooth operation for over 10,000 hours. Metabo also backs this grinder with a 3-year warranty for added peace of mind.
Versatile Accessories
A major benefit of the WP9-115 is its wide range of compatible accessories that allow you to take on many grinding tasks. It works with common 4.5-inch grinding and cutting wheels as well as sanding disks, wire brushes, and other attachments. An arbor size of 5/8 inches gives you many options to choose from. With the right wheels and attachments, you’ll be able to cut, grind, sand, polish, carve, and more.
For a compact yet powerful angle grinder suitable for one-handed operation, the Metabo WP9-115 is a great choice. Its durable and safe design, combined with a range of available accessories, make it useful for DIYers and professionals alike.
How to Use a 4-inch Angle Grinder Safely
Here are some safety guidelines for using a 4-inch angle grinder effectively and safely:
- Wear Protective Gear:
- Always wear appropriate protective gear, including safety glasses, gloves, and a dust mask.
- Ensure that your clothing covers your skin to prevent any accidental contact with the grinder.
- Tool Inspection and Preparation:
- Before using the grinder, inspect it for any damage or defects.
- Make sure the grinder is unplugged when changing wheels or performing maintenance.
- Proper Handling:
- Hold the grinder with both hands for better control.
- Keep your hands and fingers away from the grinding wheel or blade.
- Angle the grinder so that debris flies away from you and others around you.
- Avoid Side Grinding:
- Do not grind on the side of the wheel; use the flat surface.
- Avoid using liquid coolants with the grinder.
- Maintain a Firm Grip:
- Always maintain a firm grip on the tool to prevent accidents.
- Be mindful of the grinder’s kickback.
Remember to follow these safety precautions to ensure safe and effective use of your angle grinder. If you have any doubts or need further guidance, consult the manufacturer’s instructions or seek professional advice.
Best 4 Inch Angle Grinder FAQs – Your Top Questions Answered
So you’ve decided to invest in a handy 4-inch angle grinder, but still have some questions about these powerful rotary tools? No worries, we’ve got you covered. Here are answers to some of the most frequently asked questions about 4-inch angle grinders.
What can I use a 4 inch angle grinder for?
These compact grinders are extremely versatile and can be used for cutting, grinding, polishing, and sanding a variety of materials. You can cut metal, tile, stone, and concrete. They’re great for grinding down welds, removing rust or paint, and sharpening tools. With various attachments, they can also be used to polish, sand, and buff surfaces.
How much do 4-inch angle grinders cost?
You can expect to pay between $30 to $200 for a 4-inch angle grinder depending on the brand and features. Basic models from brands like Bauer or Chicago Electric will be on the lower end of that range, while more heavy-duty models from DeWalt, Bosch, or Makita will be over $100. For most DIYers and homeowners, a grinder in the $50 to $80 range will work great.
What safety gear do I need?
Always put safety first when operating an angle grinder. At a minimum, you should wear safety goggles, work gloves, and a dust mask. Hearing protection like earmuffs is also recommended. Be very careful when handling and make sure the guard is in place over the spinning disk.
How do I change the grinding disk?
Replacing the disk on your angle grinder is pretty straightforward. First, unplug the tool and allow it to cool if it was just used. Loosen the mounting nut or bolt in the center of the disk with the wrench that came with your grinder. Remove the old disk and mounting hardware. Place the new disk on the spindle, making sure it’s facing the proper direction. Hand-tighten the mounting nut and then tighten it firmly with the wrench. Double-check that the disk is secure before operating the grinder.
Need more details or recommendations for a great 4-inch angle grinder? Just let us know. We’re happy to provide any additional information to help you choose and use the perfect angle grinder for your needs.
Conclusion
So there you have it – the top 4-inch angle grinders to take your projects to the next level. With the right match of power, performance, and price, you’ll be equipped to tackle everything from metal fabrication to tile cutting with ease. The DeWalt, Makita, Bosch, and Metabo models we covered have proven track records of durability and efficiency.
Any one of them will serve you well for years to come. Just decide if you need brute strength or finessed control, corded convenience, or cordless freedom. And don’t forget those safety glasses before you start grinding! With your new angle grinder, you’ll zip through tasks that used to take all day. Now get out there and make something awesome!
