Tube & Weld Belt Finish Sander (3/4" x 20.5") with - Astro Pneumatic

The Astro Pneumatic 3039 Tube & Weld Belt Finish Sander (3/4" x 20.5") is a specialized pneumatic tool engineered for precision finishing, weld blending, and controlled material removal in professional automotive and industrial environments. This robust sander provides technicians with an effective solution for accessing tight spaces and intricate contours, ensuring efficient material work on tubing, tight curves, and detailed fabrication where larger tools are impractical. It is an essential addition for demanding applications requiring meticulous surface preparation.

Key Features

• Adjustable Roller Position: Provides precise control over belt slack, enabling superior contouring and consistent finishes on curved panels, tubes, and radiused edges commonly found in custom fabrication.
• Narrow 3/4" Belt Design: Facilitates access to confined areas around brackets, intricate joints, and complex welds, overcoming the limitations of wider belt sanders and grinders.
• High-Speed Pneumatic Performance: A powerful 0.6 HP motor delivers 16,000 RPM, ensuring efficient weld cleanup, edge blending, and surface preparation on various metals, including steel and stainless steel.
• Ergonomic and Compact Build: Weighing 3.08 lbs with a 14.6" overall length, the sander is balanced for comfortable one-handed operation, reducing technician fatigue during extended use.
• Professional-Grade Construction: Built for daily reliability and sustained durability in demanding environments such as body shops, fabrication facilities, and industrial maintenance operations.

Applications

• Blending and finishing welds on custom exhaust systems, headers, roll cages, and chassis components.
• Cleaning and prepping tube joints for applications in race cars, off-road vehicle builds, motorcycle frames, and handrails.
• Deburring cut edges, brackets, and gussets prior to fit-up or coating processes.
• Finishing inside corners, tight radii, and confined areas where traditional grinding tools are too bulky.

Specifications

• Belt size: 3/4" x 20.5" (19 mm x 520 mm)
• Free speed: 16,000 RPM
• Motor horsepower: 0.6 HP
• Net weight: 3.08 lbs (1.4 kg)
• Overall length: 14.6" (370 mm)
• Air consumption: 4 CFM
• Air inlet: 1/4"
• Recommended air pressure: 90 PSI