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3" (76 mm) Dia. Dynorbital-Spirit Random Orbital Sander, Non-Vacuum

List price: $247.00
You save: $39.52 (16%)
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Dynabrade 21040 DYN-21040 3" (76 mm) Dia. Dynorbital-Spirit Random Orbital Sander, Non-Vacuum

  • Includes low profile, premium urethane weight-mated sanding pad. Optional vacuum conversion kits are available to easily convert non-vacuum tool to self-generated vacuum tool or central vacuum tool. Black lever identifies 3/32" (2.5 mm) dia. orbit, used for ultra-fine sanding.
  • Drop-In Motor available (sold separately) to reduce costly down-time associated with routine maintenance. More Power - True 12,000 RPM air motor. Floating rotor utilizes five blades, producing more usable power (.25 hp/186 W). High-strength, composite rotor has better lubricating qualities, allowing blades to last longer. Less air (2CFM/14 SCFM/396 LPM) is used more efficiently to maintain maximum power.
  • Comfort Platform provides additional hand and wrist support, further enhancing operator comfort. Also offers increased protection against cold air exhaust. (NOTE: Comfort Platform is removable.) Order 59330 Comfort Platform separately, to install on existing tools!
  • Throttle lever recesses into housing grip when depressed, eliminating pressure-point on operator's palm. Dynorbital-Spirit lever is made from composite material to insulate against cold air. Lever is color-coded to designate tool orbit. Easy maintenance and vacuum conversion. Muffler elements are easily changed for convenient maintenance. Low Sound Levels. Muffling system reduces exhaust sound levels.
  • Speed Control allows thumb-control regulating of tool speed. Lighter air-motor assembly, ideal for vertical and overhead sanding applications. Precision one-piece motor shaft and counterbalance. High-quality Double Row Pad Bearing, protected by unique V-Seal, improves bearing life and ensures reduced vibration. Perfectly-balanced, weight-mated sanding pad with one-piece hub design. Dynabrade premium urethane pads offer smoother operating performance and minimal vibration.


  • Backing Pad Diameter Inch (mm): 3" (76)
  • Tool Spindle Thread: 5/16"-24 Female
  • Orbit Dia. Inch (mm): 3/32" (2.5)
  • Free Speed RPM: 12,000
  • hp (W): 0.25 (186)
  • Exhaust Type: Rear
  • Max. Air Flow @ 90 PSIG: SCFM (L/Min.): 14 (396)
  • Hose I.D. Size Inch (mm): 1/4" (6)
  • Length Inch (mm): 6" (152)
  • Height Inch (mm): 3-1/2" (89)
  • Sound Level dB(A):
  • Vibration Information:
  • Item Weight: 1.38 lbs
  • Packaged Weight: 2.24 lbs
  • CFM: 2