RIKON 8″ Low Speed Bench Grinder - 80-820

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

What our Experts Think

• Powerful 1 HP Motor for Demanding Tasks

• Equipped with a 1 HP induction motor, delivering reliable power for grinding, shaping, and sharpening metal and woodworking tools.

• Low-Speed Operation for Precision Sharpening

• Runs at approximately 1,750 RPM, reducing heat buildup and helping preserve the temper of cutting edges during sharpening.

• Wide 8″ Grinding Wheels for Better Control

• Includes 8″ × 1-1/2″ aluminum oxide wheels with 60-grit and 120-grit options, ideal for both heavy grinding and fine sharpening.

• Heavy-Duty Cast Iron Construction

• A solid cast-iron base with rubber feet reduces vibration, providing smoother and more stable grinding performance.

• Enhanced Safety & Visibility

• Features adjustable eye shields, spark guards, and magnifying lenses for safer and more precise tool sharpening.

• Dust Collection & Workspace Lighting

• 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

• Dress the grinding wheels regularly to keep the surface flat and maintain efficient grinding performance.

• Clean grinding dust and debris from guards and the base to prevent buildup and overheating.

• Check wheel condition before use and replace cracked or excessively worn wheels immediately.

• Tighten tool rests and hardware to ensure stable support while sharpening tools.

• Keep eye shields and spark guards clean for better visibility and safe operation.

• Inspect the arbor and wheel mounts to ensure wheels are properly aligned and balanced.

• Keep motor vents clear of dust to maintain proper cooling and extend motor life.