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Dynabrade 58037 right-angle pneumatic sander, compact silver body, palm grip, front exhaust

DYNABRADE

DYNABRADE 58037 pneumatic finishing sander right angle 0.4 hp 20 cfm 90 psi 1.6 lb

SKU CH-3C7E-WPT3Y

Right-angle pneumatic finishing sander with 0.4 hp motor, 20 cfm air consumption at 90 psi, and 1.6 lb weight for comfortable extended use

  • Gearless motor reduces vibration for smoother finishes
  • Right-angle design reaches tight corners easily
  • Variable speed control matches abrasive to surface
  • Light 1.6 lb body lowers operator fatigue
  • Heavy-duty build handles continuous shop use

Right-angle finish sander for detail work

The Dynabrade 58037 is a pneumatic random-orbital sander built for final-surface preparation. Its 0.4 hp gearless motor runs at 90 psi and draws 20 cfm through a 1/4 in NPT inlet. The right-angle palm grip fits tight contours on metal, composite or wood panels. Weighing 1.6 lb and measuring 5 3/8 in long, it suits operators who need low vibration and precise control.

Replaces inline or bulkier orbital sanders

Switch when an inline sander cannot reach inside corners, door shuts or ribbed profiles. The 1/8 in orbit diameter leaves a finer scratch pattern than aggressive material-removal tools, so the step is worth it only when finish quality matters more than stock removal rate. It does not collect dust, so shops without external extraction see no cleanup benefit over non-vacuum models.

Check air supply and abrasive compatibility

Verify the compressor delivers 20 cfm at 90 psi continuously; pressure drops will stall the motor. Confirm the hose is at least 1/4 in ID and fitted with a 1/4 in NPT coupler. The pad accepts pressure-sensitive adhesive discs only — hook-and-loop or bolt-on abrasives will not mount. Front exhaust directs airflow toward the workpiece, so eye protection and a clean air line are required.

How it compares

Measured against everything we stock in Air & Hydraulic Power Tools, at today’s prices. Recalculated every night.

Price $813.99
Pricier than about 92% of the 243 comparable items (median $61.99).

Specifications

Product
Brand nameDYNABRADE

Questions about this item

What size air hose and inlet fitting does the 58037 require?

The sander uses a 1/4 in NPT air inlet and needs a minimum 1/4 in hose to deliver 20 cfm at 90 psi.

How do I attach the abrasive disc to the gearless random-orbit pad?

Press the pressure-sensitive adhesive disc onto the pad; the variable-speed trigger then controls the 1/8 in orbit without a separate on-off switch.

What routine upkeep does the front-exhaust, gearless motor need?

Drain the compressor tank daily, lubricate the air motor with pneumatic tool oil before each shift, and replace the PSA pad when the adhesive no longer holds discs.

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