JAT-400, Micro Die Grinder

JAT-400, Micro Die Grinder

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JAT-400, Micro Die Grinder

Stock No.

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Durable, quality tools that can withstand frequent and rigorous applications, the R6 Series can handle 6 hour workdays and get the job done.


  • 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
  • Performace @ 90 PSI. Air Inlet NPT 1/4". Min Hose Size 1/4"


  • Classification R 6
  • Collet Size (In.) 1/8
  • Body Type Pencil
  • Horse Power (HP) 0.1
  • Free Speed (RPM) 56,000
  • Air Inlet (NPT/In.) 1/4
  • Air Hose (ID/In.) 1/4
  • Air Pressure (PSI) 90
  • Air Consumption (CFM) 1.4
  • Sound Pressure (db) (A) 76
  • Vibration Value (m/s²) 0.6
  • Overall Length (In.) 5-1/2
  • Weight (Lbs.) 0.54

Warranty Information

Red Assurance Lifetime Warranty

Red Assurance Lifetime Warranty

We are confident of every Air Tool we manufacture. To prove it, we back every Air Tool that bears the JET name with a Lifetime Warranty. The JET Lifetime Warranty covers manufacturer's defects, but does not cover misuse, abuse, accidents, negligence, wear and tear, improper repair or alternations.

1 Year Wear and Tear

1 Year 'Wear & Tear' Coverage

JET covers all Air Tool repair costs including parts and labor for the first year of ownership. Proof of purchase is required. JET's 'Wear & Tear' Coverage does not cover misuse, abuse, accidents, negligence, improper maintenance, repair or alterations.


Full Series

Stock No.Model No.ClassificationCollet Size (In.)Wheel Size (In.)Spindle Thread (In./TPI)Body TypePurchase
Stock No.505400Model No.JAT-400ClassificationR 6Collet Size (In.)1/8Wheel Size (In.)-Spindle Thread (In./TPI)-Body TypePencilBuy 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 >> 505403
Stock No.505403Model No.JAT-403ClassificationR 6Collet Size (In.)1/4Wheel Size (In.)-Spindle Thread (In./TPI)-Body TypeMini, Right AngleBuy Now >> 505403

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