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Hardin WP800 4 Inch & 5 Inch Variable Speed Wet Polisher and Grinder, 800W, 1000–4000 RPM, GFCI Cord, Water Feed System for Granite, Marble, Stone, and Concrete Fabrication (WVGRIN)

Item# 7400710
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Hardin WP800 4 Inch & 5 Inch Variable Speed Wet Polisher and Grinder, 800W, 1000–4000 RPM, GFCI Cord, Water Feed System for Granite, Marble, Stone, and Concrete Fabrication (WVGRIN)

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Hardin WP800 4 Inch & 5 Inch Variable Speed Wet Polisher and Grinder, 800W, 1000–4000 RPM, GFCI Cord, Water Feed System for Granite, Marble, Stone, and Concrete Fabrication (WVGRIN)

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$129.99

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    Factory shipped

  • Store Pickup: 

    Not available - online only
  • Maintains precision and control with a variable speed range of 1,000-4,000 RPM that provides smooth transitions from grinding to fine polishing.
  • Delivers steady torque with a powerful 800W, 120V motor, preventing stalling when working granite, marble, or concrete surfaces.
  • Supports fast stock removal and shaping when used with diamond grinding wheels, zero tolerance wheels, profile wheels, finger bits, and hole saws.
  • Extends tool life and enhances cut quality using a dedicated water feed system with brass valve and reinforced supply line for reliable flow control.
  • Enhances jobsite safety with an integrated 20 ft GFCI power cord that protects against electrical hazards in wet environments.

  • Prop 65 Warning: See Details

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  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Warranty

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Product Summary

The Hardin WP800 4in. Variable Speed Wet Polisher is built for precision stone and concrete finishing, trusted by fabricators and installers. Its 800W, 120V motor delivers steady torque across a variable speed range of 1,000–4,000 RPM for smooth transitions from grinding to polishing. The WP800 handles fast stock removal and shaping with diamond grinding wheels, profile wheels, finger bits, and hole saws. A dedicated water feed system with brass valve and reinforced line provides reliable cooling and extends pad life, while a 20ft. GFCI power cord protects against electrical hazards in wet environments. Interchangeable side and top handles give better control on both flat surfaces and vertical edges. With compatibility for 3in., 4in., and 5in. polishing pads, reinforced housing, and a sealed motor, the WP800 is a durable workhorse for shop and field professionals.

What's Included

    (1) Hardin 4 Inch & 5 Inch Variable Speed Wet Polisher and Grinder, 800W, 1000–4000 RPM, GFCI Cord, Water Feed System for Granite, Marble, Stone, and Concrete Fabrication (WVGRIN)

Features + Benefits

  • Maintains precision and control with a variable speed range of 1,000-4,000 RPM that provides smooth transitions from grinding to fine polishing.
  • Delivers steady torque with a powerful 800W, 120V motor, preventing stalling when working granite, marble, or concrete surfaces.
  • Supports fast stock removal and shaping when used with diamond grinding wheels, zero tolerance wheels, profile wheels, finger bits, and hole saws.
  • Extends tool life and enhances cut quality using a dedicated water feed system with brass valve and reinforced supply line for reliable flow control.
  • Enhances jobsite safety with an integrated 20 ft GFCI power cord that protects against electrical hazards in wet environments.

Key Specs

AttributeSpecification

item#

7400710

Brand

HARDIN

Manufacturer's Warranty

1 month limited warranty

Ship Weight

8.2 LB

Wheel Diameter

4 in

Max. Speed

4,000 rpm

Cordless

No

Variable Speed

Yes
AttributeSpecification

Spindle Size

5/8-11 in

Power Cord Length

12 ft

Product Category

Power Tools Regular

Batteries Included

No

Batteries (qty.)

0

Dimensions L x W x H (in.)

15.0 x 6.0 x 7.0 in

Product Weight

8.2000 lb

Reviews

Questions & Answers

Questions

Warranty

Manufacturer's Warranty

1 month limited warranty

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