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Product Summary

The Hardin HPG-331 Variable Speed Pipe Polisher is built for professionals who need consistent and high-quality finishes on stainless steel, aluminum, and other tubular metals. Powered by an 800W, 120V motor, it delivers reliable torque across a variable speed range of 700–3,000 RPM for smooth transitions from weld grinding to final polishing. Its 270° wrap-around belt design provides exceptional surface coverage, making it ideal for railings, marine tubing, and architectural metalwork. The dual roller system maintains even contact and consistent finish quality, while the spring-loaded tension arm allows fast, tool-free belt changes. A reinforced aluminum housing and sealed roller bearings ensure durability under continuous shop or field use. The HPG-331in.cludes a 60-grit sanding belt and supports a variety of coated and non-woven belts for sanding, blending, or mirror polishing applications.

What's Included

    (1) Hardin Pipe and Tube Polisher Sander Grinder for Polishing Stainless Steel

Features + Benefits

  • Delivers professional sanding, finishing, and polishing performance on round pipes, railings, and tubular metal surfaces with a 270° wrap-around belt contact that maximizes coverage and efficiency.
  • Maintains precise speed control with a variable range of 700-3,000 RPM, allowing smooth transitions from aggressive material removal to fine surface finishing.
  • Provides consistent torque with an 800-watt, 120V motor and electronic constant-speed control that holds RPM under pressure for even, controlled results.
  • Improves belt tracking stability with a dual contact roller and drive roller system that ensures uniform surface pressure and consistent polishing results across curved sections.
  • Reduces setup time with a spring-loaded belt tension system that allows quick and tool-free sanding belt installation and maintains proper alignment during use.

Key Specs

AttributeSpecification

item#

7393636

Brand

HARDIN

Manufacturer's Warranty

1 month limited warranty

Ship Weight

12.0 LB

Volts

120

Pad Size

6 in

Max. Speed

3,000 rpm

Cordless

No
AttributeSpecification

Variable Speed

Yes

Switch Type

Slide

Power Cord Length

6 ft

Spindle Lock

Yes

Trigger Lock

Yes

Product Weight

12.0000 lb

Dimensions L x W x H (in.)

24.0 x 10.0 x 10.0 in

Warranty

Manufacturer's Warranty

1 month limited warranty