A bench grinder is a fixed, motor-driven pair of wheels used to sharpen tools and shape or deburr metal. Wheel diameter, motor amps and speed are the main specs, and slow-speed models are popular for sharpening.
The six grinders below include 6 and 8 inch models, single-speed, variable-speed and slow-speed. Specs come from each listing page. We have not used these grinders ourselves. Speed and power numbers are the makers’ own, and where a listing’s numbers disagree we say so.
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What to Look For
| Feature | Why it matters |
|---|---|
| Wheel size | Larger wheels give a flatter grind and weigh more |
| Speed | Slow or variable speed suits sharpening; full speed suits shaping |
| Lighting | Built-in LED or a flexible lamp helps you see the work |
| Tool rests and shields | Adjustable rests and eye shields come with most models |
Specs at a Glance
| Grinder | Wheels | Motor and speed | Notes |
|---|---|---|---|
| WEN BG4260 | 6 x 3/4 in; 60 and 36 grit | 2.1 amp; up to 3450 rpm | 14 lb; 2 year warranty |
| WEN BG625V | 6 in; 80 and 36 grit | 2.5 amp; 2000 to 3400 rpm | Flexible work light |
| Metabo DS 150 Plus | 6 in; 36 P and 60 N | 3.6 amp; 400 W; 3,600 rpm | LED light; rubber feet; induction motor |
| WEN BG4282 | 8 x 1 in; 60 and 36 grit | 4.8 amp; up to 3450 rpm | LED lights; quenching tray; 30.5 lb |
| WEN BG4286 | 8 x 1 in; 60 and 120 grit | 3 amp; up to 1750 rpm | Soft start; slow speed; 34.1 lb |
| Greteefor 6 in | 6 in; 36 and 60 grit | 2.5 amp; 1725 to 3450 rpm | Brushless induction; LED light; wheel dresser |
The 6 Best Bench Grinders
1. WEN BG4260 6-Inch Bench Grinder
A 2.1-amp single-speed grinder turning 6 by 3/4 inch wheels at up to 3450 rpm, with one 60 grit and one 36 grit wheel, pivoting tool rests and adjustable eye guards. The listing shows 745 watts and 1 hp, which does not obviously match 2.1 amps, so treat that as unclear.
Suits: reviving old tools and knives. Strengths: a light 14 lb body and a two year warranty. Weaknesses: single speed and no light. Skip it if you want a work light.
View WEN BG4260 2.1-Amp 6-Inch Single Speed Bench Grinder on Amazon
2. WEN BG625V 6-Inch Variable Speed Bench Grinder
A 2.5-amp variable-speed grinder from 2000 to 3400 rpm with a flexible work light, an 80 grit and a 36 grit wheel, pivoting tool rests and adjustable eye guards. The listing shows 300 watts and 0.4 hp and gives its weight in kilograms.
Suits: a bench where you sharpen different tools. Strengths: speed control and a lamp. Weaknesses: a mixed-unit listing. Skip it if you only need one speed.
View WEN BG625V 2.5-Amp 6-Inch Variable Speed Bench Grinder on Amazon
3. Metabo DS 150 Plus 6-Inch Bench Grinder
A 400 watt, 3.6-amp induction motor grinder at 3,600 rpm, described as maintenance-free and low-vibration. It has an adjustable eye shield, spark deflectors, steady rests, rubber feet, built-in LED lights and two wheels (36 P and 60 N). It is also listed as suitable for 8 inch wire wheels.
Suits: a heavy-duty 6 inch machine. Strengths: LED lights and an induction motor. Weaknesses: no warranty length on the page. Skip it if you want variable speed.
View Metabo DS 150 Plus 6-Inch Bench Grinder 604160420 on Amazon
4. WEN BG4282 8-Inch Bench Grinder
A 4.8-amp single-speed grinder turning 8 by 1 inch wheels at up to 3450 rpm, with LED lights in the eye guards, an onboard quenching tray, pivoting tool rests, a 60 grit and a 36 grit wheel and a two year warranty. It weighs 30.5 lb.
Suits: heavier shaping on a workbench. Strengths: 8 inch wheels, LEDs and a quenching tray. Weaknesses: heavy. Skip it if you have little bench space.
View WEN BG4282 4.8-Amp 8-Inch Single Speed Bench Grinder on Amazon
5. WEN BG4286 8-Inch Slow Speed Bench Grinder
A soft-start 3-amp grinder turning 8 by 1 inch wheels at up to 1750 rpm, which the maker says gives precision with minimal heat. It has a 60 grit and a 120 grit wheel, pivoting tool rests, adjustable eye guards and a base with pre-drilled mounting holes. The page lists 250 watts and 127 volts.
Suits: sharpening chisels and knives. Strengths: slow speed and a soft start. Weaknesses: the heaviest here at 34.1 lb. Skip it if you want fast stock removal.
View WEN BG4286 3-Amp 8-Inch Slow Speed Bench Grinder on Amazon
6. Greteefor 6-Inch Variable Speed Bench Grinder
A 2.5-amp brushless induction motor grinder from 1725 to 3450 rpm with 36 and 60 grit wheels, an LED work light, eye shields, a cast-iron base and a diamond wheel dresser in the box.
Suits: sharpening with a dresser. Strengths: variable speed and an included dresser. Weaknesses: a lesser-known brand with no warranty on the page. Skip it if you want a major brand.
View Greteefor 6-Inch Variable Speed Bench Grinder with Wheel Dresser on Amazon
Care and Setup
- Read the maker’s manual before first use.
- Bolt the grinder to a sturdy bench.
- Set tool rests and shields as the manual directs.
- Keep wheels dressed and check them for damage.
Mistakes to Avoid
- Choosing full speed for fine sharpening.
- Skipping the bench mounting.
- Ignoring wheel grit when matching the job.
- Trusting watt and hp figures that do not match the amps.
Bench Grinder FAQ
6 inch or 8 inch?
Eight inch wheels are larger and the machines heavier. Six inch fits smaller benches.
What is a slow-speed grinder for?
Makers describe it as producing less heat, which suits sharpening.
The Short Version
For a simple 6 inch, the WEN BG4260. For speed control and a lamp, the WEN BG625V. For an induction motor with LEDs, the Metabo. For 8 inch wheels, the WEN BG4282. For slow-speed sharpening, the WEN BG4286. For variable speed with a dresser, the Greteefor.
