JAT-403, 1/4" Right Angle Die Grinder

JAT-403, 1/4" Right Angle Die Grinder

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JAT-403, 1/4" Right Angle Die Grinder

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The JAT-103 is built small and compact to help you get into those tight spaces. Giving that it's the quietest in it's class, it won't hurt your ears once you get there.


  • Mini, compact body design is perfect for tight jobs
  • Right-angle head design for reaching tight or angled grinding jobs
  • Sealed ball bearing design keeps out contaminants promoting smooth operation
  • Safety throttle lock prevents accidental engagement
  • Variable-speed throttle ramps up to maximum RPM
  • Built-in air regulator for precise speed control
  • Rear facing exhaust
  • Performace @ 90 PSI. Air Inlet NPT 1/4". Min Hose Size 3/8"


  • Classification R 6
  • Collet Size (In.) 1/4
  • Body Type Mini, Right Angle
  • Horse Power (HP) 0.3
  • Free Speed (RPM) 22,000
  • Air Inlet (NPT/In.) 1/4
  • Air Hose (ID/In.) 3/8
  • Air Pressure (PSI) 90
  • Air Consumption (CFM) 3
  • Sound Power (db) (A) 97
  • Sound Pressure (db) (A) 90
  • Vibration Value (m/s²) 1.24
  • Overall Length (In.) 6-1/8
  • Weight (Lbs.) 1.32

Warranty Information


JET warrants every product it sells. If one of our 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 JPW Industries Authorized Service Centers can authorize warranty repair, assist you in obtaining parts, or perform routine maintenance and major repair on your JET tools. For the name of an Authorized Service Center in your area call 1-800-274-6848.


Full Series

Stock No.Model No.ClassificationCollet Size (In.)Wheel Size (In.)Spindle Thread (In./TPI)Body TypePurchase
Stock No.505403Model No.JAT-403ClassificationR 6Collet Size (In.)1/4Wheel Size (In.)-Spindle Thread (In./TPI)-Body TypeMini, Right AngleBuy Now >> 505401
Stock No.505401Model No.JAT-401ClassificationR 6Collet Size (In.)1/4Wheel Size (In.)-Spindle Thread (In./TPI)-Body TypeFull, StraightBuy Now >> 505402
Stock No.505402Model No.JAT-402ClassificationR 6Collet Size (In.)1/4Wheel Size (In.)-Spindle Thread (In./TPI)-Body TypeFull, ExtendedBuy Now >> 505402

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