JAT-483, 4", 1 HP Extended Cut-Off Tool

JAT-483, 4", 1 HP Extended Cut-Off Tool

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JAT-483, 4", 1 HP Extended Cut-Off Tool

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The JAT-481 will exceed your expectations for power, comfort, reach, and durability. With its 1hp motor driving this tool and its extended shaft you won't have to worry about reaching the work or stalling when you get there.


  • Upgraded Full, 1 HP motors provide the heavy-duty power needed for harsh industrial environments
  • Impact resistant composite housings reduce tool weight and user fatigue.
  • Easy to use spindle lock system holds the cutting wheel when choosing one of 11 adjustable positions of the swivel guard
  • Precision spiral bevel gears transfer torque and speed to spindle for added durability
  • Right-angle head design for reaching tight or angled grinding jobs
  • Tapered angle gear housing allows greater visibility of targeted work area
  • Variable-speed throttle ramps up to maximum RPM, while the safety lock prevents accidental engagement
  • 360° Rotating air inlet keeps the air hose tangle free for added safety
  • Rear facing exhaust
  • Performace @ 90 PSI. Air Inlet NPT 1/4". Min Hose Size 3/8"


  • Classification R12
  • Wheel Size (In.) 4
  • Spindle Thread (In./TPI) 3/8
  • Body Type Full, Extended
  • Horse Power (HP) 1
  • Free Speed (RPM) 14,000
  • Air Inlet (NPT/In.) 1/4
  • Air Hose (ID/In.) 3/8
  • Air Pressure (PSI) 90
  • Air Consumption (CFM) 5.3
  • Sound Power (db) (A) 96.5
  • Sound Pressure (db) (A) 85.5
  • Vibration Value (m/s²) 3.8
  • Overall Length (In.) 14.6
  • Weight (Lbs.) 4.1

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.505480Model No.JAT-480ClassificationR12Collet Size (In.)1/4Wheel Size (In.)-Spindle Thread (In./TPI)-Body TypeFull, StraightBuy Now >> 505481
Stock No.505481Model No.JAT-481ClassificationR12Collet Size (In.)1/4Wheel Size (In.)-Spindle Thread (In./TPI)-Body TypeFull, ExtendedBuy Now >> 505483
Stock No.505483Model No.JAT-483ClassificationR12Collet Size (In.)-Wheel Size (In.)4Spindle Thread (In./TPI)3/8Body TypeFull, ExtendedBuy Now >> 505482
Stock No.505482Model No.JAT-482ClassificationR12Collet Size (In.)1/4Wheel Size (In.)-Spindle Thread (In./TPI)-Body TypeFull, Right AngleBuy Now >> 505482

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