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Alpha WDP-320 Wet/Dry Variable Speed Polisher

Variable Speed Wet & Dry Polisher for Stone, Tile & Concrete

Original price $566.22 - Original price $566.22
Original price
$566.22
$566.22 - $566.22
Current price $566.22
Alpha  |  MPN: WDP-320  |  UPC: 749173541056
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WDP-320 Wet/Dry Variable Speed Polisher Specifications

  • Voltage: 120V
  • Speed Range: 700–2,500 RPM
  • Power: 800W / 7.0A
  • Spindle Thread: 5/8"-11
  • Operation Type: Wet polishing or dry polishing with vacuum connection
  • Application: Stone, tile, concrete surface polishing and edge refinement

The Alpha WDP-320 Wet/Dry Variable Speed Polisher is designed for wet and dry polishing of stone, tile, concrete, and engineered surfaces. Its 700-2,500 RPM speed range, integrated water feed system, and Ecoguard G attachment support controlled polishing, edge work, and surface refinement across fabrication and installation applications.

Key Features
  • Wet & Dry Operation: Supports water-fed polishing or vacuum-assisted dry polishing.
  • Variable Speed Control: Adjustable 700-2,500 RPM operating range.
  • Heavy-Duty Gear System: Step-down transmission delivers controlled torque and speed.
  • Ecoguard G Attachment: Helps manage water and dust during edge polishing.
  • 5/8"-11 Spindle: Accepts standard polishing pads and grinding accessories.
  • Inline GFCI Protection: Includes 15 ft power cord with built-in safety protection.
Best For
  • Stone countertop polishing and edge finishing
  • Concrete countertop polishing applications
  • Tile edge polishing and surface refinement
  • Wet polishing with water-fed accessories
  • Dry polishing with vacuum dust collection

Why Professionals Choose Tile This

  • Free shipping on eligible orders $200+
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  • Eligible for our Contractor Pricing Program
  • Authorized Alpha Dealer
Alpha WDP-320 Wet/Dry Variable Speed Polisher $566.22

Description

The Alpha WDP-320 Wet/Dry Variable Speed Polisher is a variable speed polishing tool designed for wet and dry polishing of stone, tile, concrete, and engineered surfaces. Its heavy-duty gear system uses a step-down transmission with bevel and pinion gears to provide a controlled operating range of 700-2,500 RPM for polishing, honing, and surface refinement.

The included Ecoguard G attachment supports water containment during wet polishing and dust collection when connected to a vacuum for dry polishing. The polisher features a 5/8"-11 spindle, inline GFCI protection, a 15 ft power cord, and a 15 ft all-weather water hose for use in fabrication shops, countertop work, tile installations, and concrete polishing applications.

Kit Includes

  • Ground Fault Circuit Interrupter (inline GFCI)
  • Water hose assembly (15 ft)
  • Water spray valve assembly
  • Ecoguard G attachment
  • C-handle
  • Reversible side handle
  • Flange and lock nut set
  • Pin wrench and open end wrench
  • Extra carbon brush set
  • Rubber hose adapter
  • EasyOn-EasyOff sleeve

Specifications

Specification Details
Model WDP-320
Voltage 120V
Amperage 7.0A
Power 800W
Speed Range 700–2,500 RPM
Weight 7.3 lbs (3.3 kg)
Spindle 5/8"-11

Frequently Asked Questions

Can the Alpha WDP-320 be used for wet and dry polishing?
Yes. The Alpha WDP-320 supports wet polishing with a water feed system and dry polishing when connected to a vacuum for dust collection.
What materials can this polisher be used on?
The Alpha WDP-320 is designed for stone, tile, concrete, engineered stone, and similar hard surface materials.
What polishing pads fit this tool?
The 5/8"-11 spindle accepts standard polishing pads, backing pads, and grinding accessories designed for that thread size.
What is the speed range?
The Alpha WDP-320 operates from 700 RPM to 2,500 RPM with variable speed control.
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