Portable Bench Grinders That Travel Well and Work Hard
The DEWALT DW756 takes the top spot for most portable bench grinders because it pairs a compact footprint with a robust 6 inch wheel and a powerful induction motor, making it a favorite among mobile tradespeople. Its main advantage is the combination of portability and performance, though its main limitation is that it lacks a work light and eye shields, which some users find necessary.
A bench grinder is a staple in any workshop, but when space is tight or you need to move your tools between job sites, a portable model becomes essential. Portable bench grinders offer the same sharpening, grinding, and deburring capabilities as full size units, but in a smaller, lighter package that can be clamped to a table or carried in a tool bag.
We looked at the most popular portable bench grinders on Amazon, focusing on those that balance power and size. Our picks range from lightweight 5 inch models to compact 6 inch units, all with features that make them easy to transport and set up.
What we recommend
DEWALT DW756 6 Inch Bench Grinder
The DEWALT DW756 is a compact yet powerful 6 inch bench grinder that weighs just 36 pounds, making it easier to move than most. It features a 5/8 horsepower induction motor that delivers 3,450 RPM for efficient material removal. Owners report that it runs smoothly with minimal vibration, and its cast iron base adds stability when clamped down.
Pros
- Powerful induction motor
- Compact footprint for its wheel size
- Smooth operation with low vibration
Cons
- No integrated work light
- Eye shields are not included
WEN 4276 6 Inch Bench Grinder
The WEN 4276 offers a 2.1 amp motor that spins a 6 inch wheel at 3,450 RPM, providing plenty of power for most tasks. It includes flexible work lights and eye shields, which are often missing on more expensive models. Its rubber feet help reduce vibration, and at just over 14 pounds, it is one of the lightest 6 inch grinders, making it easy to carry.
Pros
- Integrated work lights
- Eye shields included
- Very lightweight
Cons
- Less powerful than induction motors
- Some users report plastic tool rests
BUCKTOOL 6 Inch Bench Grinder with Flexible Shaft
This BUCKTOOL grinder stands out because it comes with a flexible shaft that allows you to use rotary accessories away from the grinder, adding versatility for detail work. The grinder itself has a 6 inch wheel and a 3 amp motor that delivers 3,450 RPM. It also includes a built-in work light and eye shield, making it a complete package.
Pros
- Flexible shaft for rotary tool use
- Work light and eye shield included
- Powerful 3 amp motor
Cons
- Flexible shaft may not be durable for heavy use
- Heavier than some at 17.6 pounds
SKIL 6 Inch Bench Grinder with LED Light
The SKIL 6 Inch Bench Grinder features a bright LED work light that illuminates the workspace, a feature many users appreciate. It has a 2.1 amp motor that spins at 3,450 RPM and includes adjustable eye shields. Its compact design and lightweight 14.5 pounds make it easy to move, and the rubber feet help keep it stable.
Pros
- LED work light is very bright
- Adjustable eye shields
- Compact and lightweight
Cons
- Motor may overheat with prolonged use
- Tool rests are small
Grizzly Industrial T10875 6 Inch Bench Grinder
The Grizzly T10875 is a 6 inch grinder with a 1/2 horsepower motor that runs at 3,450 RPM. It features adjustable cast iron tool rests that allow for precise angle setting, which is ideal for sharpening tools. It also includes a work light and eye shields. Users note that it operates quietly and with minimal vibration.
Pros
- Cast iron tool rests for precise work
- Work light and eye shields included
- Quiet operation
Cons
- Heavier at 37 pounds
- More expensive than similar models
WEN 4270 6 Inch Bench Grinder
The WEN 4270 is a 2.1 amp bench grinder with a 6 inch wheel, but its design is more compact than others, making it suitable for tight workspaces. It has a 3,450 RPM speed and includes a work light and eye shields. Its 14.5 pound weight makes it easy to carry and mount on a portable stand.
Pros
- Compact footprint
- Work light and eye shields included
- Lightweight
Cons
- Less powerful than induction models
- Some users find the spark guards flimsy
DEWALT DW758 8 Inch Bench Grinder
The DEWALT DW758 is an 8 inch bench grinder that offers more wheel surface and power than typical portable models, yet its design is still relatively compact. It has a 3/4 horsepower induction motor that runs at 3,600 RPM. Owners report that it is very durable and smooth, but it is heavier at 45 pounds, so it is best for those who need a grinder that can be moved occasionally rather than daily.
Pros
- High power and durable
- Smooth operation
- Larger wheels for more grinding area
Cons
- Heavier than other portables
- No work light or eye shields included
How to pick the right one
How they stack up
| # | Model | Wheel Size | Best for | Score | Price |
|---|---|---|---|---|---|
| 1 | DEWALT DW756 6 Inch Bench Grinder | 6 inch | Best overall portable bench grinder | 9.4 | Check price |
| 2 | WEN 4276 6 Inch Bench Grinder | 6 inch | Best value portable bench grinder | 9.1 | Check price |
| 3 | BUCKTOOL 6 Inch Bench Grinder with Flexible Shaft | 6 inch | Best with flexible shaft attachment | 8.9 | Check price |
| 4 | SKIL 6 Inch Bench Grinder with LED Light | 6 inch | Best with LED light | 8.7 | Check price |
| 5 | Grizzly Industrial T10875 6 Inch Bench Grinder | 6 inch | Best for precision grinding | 8.5 | Check price |
| 6 | WEN 4270 6 Inch Bench Grinder | 6 inch | Best for compact spaces | 8.3 | Check price |
| 7 | DEWALT DW758 8 Inch Bench Grinder | 8 inch | Best for heavy duty portability | 8.0 | Check price |
Frequently asked questions
What is the difference between a bench grinder and an angle grinder?
A bench grinder is stationary and mounted to a workbench, using large wheels for sharpening and shaping. An angle grinder is handheld and portable, using smaller discs for cutting and grinding. Bench grinders offer more stability but less maneuverability.
Can a portable bench grinder be used for sharpening tools?
Yes, portable bench grinders are excellent for sharpening chisels, knives, and other tools. The key is to use the correct grinding wheel and maintain a consistent angle. Many models have adjustable tool rests to help with precision.
How heavy is a typical portable bench grinder?
Portable bench grinders typically weigh between 10 and 45 pounds. Smaller 5 inch models are on the lighter end, while larger 6 inch models with induction motors can be heavier. Consider your ability to transport the grinder when choosing.
Do bench grinders come with a work light?
Many portable bench grinders include built-in work lights, but not all. Lights are useful for illuminating the grinding area, especially in dim workshops. Check the product specifications to see if a light is included.
Can I use a bench grinder to remove rust?
Yes, you can use a wire wheel attachment on a bench grinder to remove rust from metal surfaces. The wire wheel is a common accessory that fits on the spindle. Always wear safety gear when using wire wheels.
What safety gear should I use with a bench grinder?
Always wear safety glasses or a face shield to protect your eyes from sparks and debris. Hearing protection is also recommended if you use the grinder for extended periods. Avoid loose clothing and tie back long hair.
How do I mount a portable bench grinder?
Most bench grinders have pre-drilled holes in the base. You can bolt the grinder to a workbench or use clamps to secure it. Some portable models can be mounted on a specialized stand that allows for easy movement.
Can I use a bench grinder to sharpen lawn mower blades?
Yes, a bench grinder can sharpen lawn mower blades. However, be careful not to overheat the blade, which can ruin its temper. Use a light touch and keep the blade cool by dipping it in water periodically.
What is the best RPM for a bench grinder?
Most bench grinders operate at around 3,450 RPM, which is suitable for general grinding and sharpening. Some models offer variable speed, but for most tasks, a fixed speed of 3,450 RPM is effective.
Do I need to balance the grinding wheel?
New wheels are typically balanced, but over time they may become unbalanced due to wear. If you notice excessive vibration, you may need to true the wheel or replace it. Some grinders have a balancing system, but it is not common on portable models.
Our pick
For most users seeking a truly portable bench grinder, the DEWALT DW756 is the best choice due to its powerful induction motor and manageable weight. If you need a grinder that is lighter and includes lights and shields, the WEN 4276 offers excellent value. For those who want the versatility of a flexible shaft, the BUCKTOOL model is a strong contender. Choose based on your specific needs for power, weight, and extra features.
