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DYNABRADE

DYNABRADE 5"-8" (127 mm-203 mm) Dia. Right-Angle Wet Rotary Sander, Basic - 51474

DYNABRADE 5"-8" (127 mm-203 mm) Dia. Right-Angle Wet Rotary Sander, Basic - 51474

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DYNABRADE 5"-8" (127 mm-203 mm) Dia. Right-Angle Wet Rotary Sander, Basic - 51474

  • .7 hp, 0-2,000 RPM, Rear Exhaust, 5/8"-11 Spindle Thread.
  • Basic Model runs 5" (127 mm), 6" (152 mm), or 8" (203 mm) diameter polishing pads. Pads sold separately. Without pre-assembled hook-ups for those not requiring through-the-tool water feed (for those who prefer to use a hose or spray bottle). Accepts variety of abrasive products including wet or dry discs, non-woven-nylon surface conditioning discs and filmbacked discs.
  • Water is fed through the center of pad directly to the work surface, providing optimum flushing of work surface and pad. This prevents build-up of sanding residue on the disc, allowing the tool to be used efficiently in any position. Independent water rinse allows flushing of the work surface without starting the tool.
  • Rear exhaust muffler reduces noise levels. Conventional rotary action with lubricated gears.
  • High torque air motor has variable speed.
  • Safety-lock throttle and soft-grip handle (adjusts to left or right hand).
Specifications
Air Consumption (SCFM) 43.0
Power (hp) 0.7
Max. RPM 2,000
Tool Spindle Thread 5/8-11 Male
Air Inlet Thread 1/4" NPT
Exhaust Type Rear
GL_Country Of Origin US
Hose I.D. in. (mm) 3/8"
Vacuum Type Non-Vacuum
Height in. (mm) 3.125
Length in. (mm) 13.0
Weight lb. (kg) 6.17
Width in. (mm) 10.0
Pkg. Height in. (mm) 5
Pkg. Length in. (mm) 15.25
Pkg. Weight lb. (kg) 6.84
Pkg. Width in. (mm) 10
CE Certified Yes
EAN (UPC) 0616026514744
EAC Certified Yes
Tool Style Right Angle
What our Experts Think
  • Ideal for Wet Sanding: Designed for use with 5"–8" sanding discs, helping reduce dust while delivering smooth, consistent surface finishes.
  • Reliable Pneumatic Performance: Provides steady power for efficient sanding, surface preparation, and finishing on stone, composites, and other hard materials.
  • Comfortable Right-Angle Design: Lightweight and well-balanced for improved control and reduced operator fatigue during extended use.
  • Versatile for Professional Applications: Perfect for edge sanding, surface refinement, and restoration work in fabrication and industrial environments.
  • Built for Everyday Reliability: A durable, professional-grade wet rotary sander trusted by contractors, fabricators, and workshop professionals for consistent results.
Q&A

Q: What is the DYNABRADE 5"-8" Right-Angle Wet Rotary Sander Basic 51474 used for?
A: It is designed for wet sanding, polishing, and finishing stone, granite, marble, concrete, and other hard surfaces with reduced dust.

Q: What are the key benefits of the 51474 Wet Rotary Sander?
A: Its water-fed system helps control dust, cools the work surface, extends abrasive life, and provides smooth, consistent finishing performance.

Q: Which applications is this sander best suited for?
A: It is ideal for countertop fabrication, stone restoration, concrete polishing, edge finishing, and professional masonry or industrial surface preparation.

Maintenance Tips
  • Lubricate the air motor regularly with pneumatic tool oil unless an inline lubricator is installed.
  • Use clean, dry compressed air and a clean water supply at the recommended operating pressure.
  • Inspect the backing pad, sanding disc, water lines, and fittings before use; replace worn or damaged parts promptly.
  • Flush the water system and clean sanding residue after each use to prevent clogging.
  • Check hoses, fittings, and fasteners regularly for leaks or loose connections.
  • Store the wet sander in a clean, dry location and drain any remaining water before storage to prevent corrosion.