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Silver palm-style air random orbital sander with rear exhaust and lever throttle

Dynabrade Products

Dynabrade Products 58411 Air Random Orbital Sander 0.45HP 8 in

SKU CH-VREC-SJCJC

An 8-inch random orbital sander with a 0.45 hp motor running at 10,000 RPM and a 3/16-inch orbit for industrial sanding tasks

  • TypeRotary Screw Air Compressors
  • MaterialHAWA
  • 45 hp motor delivers 10,000 RPM free speed for fast material removal
  • 3/16 in orbit diameter produces fine swirl-free finish on large surfaces
  • 8 in pad covers wide area reducing passes on big panels
  • 75 cfm average air consumption keeps compressor cycling low during use
  • Rear exhaust directs airflow away from workpiece for cleaner visibility

0.45 HP air random orbital sander

The Dynabrade 58411 is an 8-inch palm-style sander built for industrial sanding tasks. It runs on compressed air at 90 psi and delivers a 3/16-inch orbit diameter for consistent surface preparation. The tool accepts vinyl or hook-face pads and includes a rear exhaust to direct airflow away from the workpiece. A 1/4-inch NPT air inlet and 1/4-inch minimum hose size complete the connection requirements.

Sustained-load behaviour

At full load the sander draws 23 cfm, while the average consumption over a 15-second run is 5.75 cfm. Free speed reaches 10,000 rpm with no variable-speed control fitted. The fixed-speed motor maintains steady material removal during extended sessions, and the lever throttle gives direct on-off control without speed modulation. Continuous operation depends on a compressor that can supply the required flow at pressure.

Thermals noise and power draw

The pneumatic motor generates no electrical heat, so thermal management relies on the compressed-air supply. Rear exhaust vents discharge air away from the operator and the work surface, reducing dust buildup and local heating. Noise level is typical for a 0.45 hp air tool running at 10,000 rpm under load. Power consumption is determined entirely by the air compressor capacity and duty cycle.

Highlights

  • 45 hp motor delivers 10,000 RPM free speed for fast material removal
  • 3/16 in orbit diameter produces fine swirl-free finish on large surfaces
  • 8 in pad covers wide area reducing passes on big panels
  • 75 cfm average air consumption keeps compressor cycling low during use
  • Rear exhaust directs airflow away from workpiece for cleaner visibility

Specifications

BrandDynabrade
TypeRotary Screw Air Compressors
MaterialHAWA

Questions about this item

How loud and hot does the 0.45 hp motor run during a full-day job?

The sander produces 23 cfm at full load and 5.75 cfm averaged over a 15-second run, with rear exhaust directing airflow away from the operator.

What compressor capacity and hose do I need to run the 58411 at 90 psi?

A compressor delivering at least 23 cfm at 90 psi and a minimum 1/4 in hose with a 1/4 in NPT inlet fitting are required.

Will the 8 in pad and 3/16 in orbit work with my existing vinyl or hook-face discs?

Yes, the tool accepts both vinyl-face and hook-face pads in the 8 in size with a 3/16 in orbit diameter.

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