505400, JET JAT-400, Micro Grinder, R6 Series

JET® Composite-body Drills improves balance and reduces weight. JET Drills provide efficient performance through durable ball-bearing and needle-bearing construction and give maximum control with the variable-speed triggers. JET Drills are available in 3/8" or 1/2" capacities and are fully reversible.

505400, JET JAT-400, Micro Grinder, R6 Series

JET® Micro Grinder is lightweight with speed control.


  • Pencil-style shaft for improved control
  • Variable-speed throttle adjusts speed based on application
  • Versatile tool for cutting, grinding, polishing or deburring applications
  • 1/8" collet accepts most accessories in the market
  • Includes 5' hose with strain relief sleeve


  • Collet Size (In.) 1/8
  • Free Speed (RPM) 54,000
  • Horse Power (HP) 0.1
  • Weight (Lbs.) 0.24
  • Overall Length (In.) 5-1/2
  • Air Consumption (CFM) 1.4
  • Noise Level (DB) 76
  • Vibration Value (M/S2) 0.6
  • Air Inlet (NPT/In.) 1/4
  • Air Hose (ID/In.) 1/4
  • Air Pressure (PSI) 90

Limited Lifetime Warranty:

JET Tools warrants every product it sells. If one of Jet tools needs service or repair, one of our Authorized Service Centers located throughout the United States can give you quick service. In most cases, any of these Walter Meier Authorized Service Centers can authorize warranty repair, assist you in obtaining parts, or perform routine maintenance and major repair on your JET or Wilton tools.

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