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Astro Pneumatic 2181B ONYX 1/4" Die Grinder with 8-Pc Rotary Burr Set

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Item Number:AST2181B
Stock Number:2181B
Availability:In Stock
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Astro Pneumatic 2181B ONYX 1/4" Die Grinder with 8-Pc Rotary Burr Set

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The 2181B includes:

  • 1x Astro Pneumatic ONYX 1/4'' Die Grinder
  • 1x SA-5: Cylindrical shape 1/2" X 1" Rotary Burr
  • 1x SA-3: Cylindrical shape 3/8" X 3/4" Rotary Burr
  • 1x SC-3: Cylindrical radius end 3/8" X 3/4" Rotary Burr
  • 1x SC-1: Cylindrical radius end 1/4" X 5/8" Rotary Burr
  • 1x SD-1: Ball shape 1/4" Rotary Burr
  • 1x SD-3: Ball shape 3/8" Rotary Burr
  • 1x SF-3: Tree shaped radius end 3/8" X 3/4" Rotary Burr
  • 1x SF-5: Tree shaped radius end 1/2" X 1" Rotary Burr
  • 1x Blow Molded Case


  • Die grinder kit and double cut (ferrous metals like steel and iron) carbide rotary burr set
  • Blue composite body 0.25'' angle and mini die grinder, front exhaust
  • 8 Piece double cut carbide rotary burr set, 0.25'' shank
  • Composite body design reduces vibration
  • Built-in regulator
  • Compact and lightweight

Astro Pneumatic's 2181B ONYX 2 pc. Die Grinder Kit includes a 1/4-Inch Medium Die Grinder and an 8pc. Double Cut Carbide Rotary Burr Set. Features of this set includes a lever throttle for feathering control, a rib textured handle which provides a firm grip and a rear exhaust air flow system that directs air away from work surface. Additionally the increased motor size provides more power to make completion of work that much easier.

Tech Specs:

  • Brand: Astro Pneumatic
  • Model: 2181B
  • MPN: 2181B
  • UPC: 745227016464
  • Type: Die Grinder
  • Collet Size: 1/4"
  • Free Speed: 22,000rpm
  • Overall Length: 6-3/4" (171mm)
  • Net Weight: 1.4lbs (.63kgs)
  • Motor: 1/3hp
  • Air Inlet Thread NPT: 1/4"
  • Air Hose I.D. Size: 3/8" (10mm)
  • Avg. Air Consumption: 3cfm
  • Air Pressure: 90-120psi
  • Package Qty.: 1

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