RIKON 8″ Low Speed Bench Grinder - 80-820
1 HP LOW SPEED BENCH GRINDER 80-820 has a larger size motor that will tackle the tough grinding jobs which are typical in production shops, as well as the finesse shaping and sharpening of hand tools. Wide 1-1/2” wheels provide greater surface area to reduce heat build-up. Tool rests on this machine are extra-large and flat, without a drill bit sharpening groove. Wheel flanges are cast metal. Grinder includes 1-1/4” O.D. dual dust collection ports on the rear of the wheel guards, and eye shields with 2.5x magnification for close-up inspection of your edges being ground.
Features
- Powerful 1HP motor.
- 8” x 1-1/2” Vitrified aluminum oxide grinding wheel.
- Cast iron bases with rubber feet reduce vibration.
- Holes in the base for mounting to a bench or stand.
- Adjustable cast metal tool rests give solid tool support.
- Adjustable safety eye shields give added protection.
- Adjustable spark shields keep users safe from hot sparks.
- Aluminum oxide grinding wheels give excellent cutting action.
- 60 Grit abrasive wheel for rough grinding and metal removal.
- 120 Grit abrasive wheel for final sharpening or shaping.
SPECIFICATIONS
| Motor Horsepower |
1 HP |
| Motor Amps |
7 |
| Motor Volts |
120V, 60 Hz |
| Motor Speed (Variable) |
1,750 RPM |
| Wheels Diameter |
8” |
| Wheels Stone Width |
1-1/2” |
| Wheels Stone Grits |
60 & 120 |
| Wheels Arbor |
5/8” |
| Overall Length |
20” |
| Overall Width |
10-5/8” |
| Overall Height |
15-1/2” |
| Overall Base Size |
9-1/2” x 6-1/2” |
| Cord Size |
6’ |
| Overall Net Weight |
60 lbs. |
What our Experts Think
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Powerful 1 HP Motor for Demanding Tasks
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Equipped with a 1 HP induction motor, delivering reliable power for grinding, shaping, and sharpening metal and woodworking tools.
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Low-Speed Operation for Precision Sharpening
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Runs at approximately 1,750 RPM, reducing heat buildup and helping preserve the temper of cutting edges during sharpening.
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Wide 8″ Grinding Wheels for Better Control
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Includes 8″ × 1-1/2″ aluminum oxide wheels with 60-grit and 120-grit options, ideal for both heavy grinding and fine sharpening.
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Heavy-Duty Cast Iron Construction
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A solid cast-iron base with rubber feet reduces vibration, providing smoother and more stable grinding performance.
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Enhanced Safety & Visibility
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Features adjustable eye shields, spark guards, and magnifying lenses for safer and more precise tool sharpening.
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Dust Collection & Workspace Lighting
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Built-in dual dust ports and LED work light help keep the grinding area cleaner and improve visibility while working.
Q&A
Q: What motor power does the RIKON 80-820 bench grinder have?
A: It features a powerful 1 HP induction motor (120V, 7A) designed for consistent grinding and sharpening performance in workshops.
Q: What is the grinding speed of this bench grinder?
A: The grinder operates at approximately 1,750 RPM, a low-speed design that reduces heat buildup and helps protect tool edges during sharpening.
Q: What wheel size does the RIKON 80-820 use?
A: It uses 8-inch diameter grinding wheels with 1-1/2″ width and a 5/8″ arbor, providing a larger grinding surface for better tool control.
Q: What grinding wheels are included?
A: The grinder includes two aluminum oxide wheels:
Maintenance Tips
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Dress the grinding wheels regularly to keep the surface flat and maintain efficient grinding performance.
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Clean grinding dust and debris from guards and the base to prevent buildup and overheating.
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Check wheel condition before use and replace cracked or excessively worn wheels immediately.
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Tighten tool rests and hardware to ensure stable support while sharpening tools.
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Keep eye shields and spark guards clean for better visibility and safe operation.
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Inspect the arbor and wheel mounts to ensure wheels are properly aligned and balanced.
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Keep motor vents clear of dust to maintain proper cooling and extend motor life.
Damage 
Loss 
Theft 
