JAT-620, 3/8" Reversible Air Drill

JAT-620, 3/8" Reversible Air Drill

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JAT-620, 3/8" Reversible Air Drill

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Rated to last for those demanding 12 hour days, the R12 Series air tools are built to tackle the most extreme jobs. Engineered for Overtime, these tools feature the superior strength and durability needed across a wide range of applications.


  • Impact resistant composite housing reduces tool weight, improving balance and reduces user fatigue.
  • Sealed Ball bearing design keeps out contaminants promoting smooth operation
  • Side-mounted, forward/reverse switch for quick and easy direction changes
  • Industrial Jacobs’s keyed chuck efficiently transfers torque when needed
  • Rugged, ball-bearing design for durability
  • Variable-speed trigger for precise speed control
  • Performace @ 90 PSI. Air Inlet NPT 3/8". Min Hose Size 3/8"


  • Classification R 12
  • Spindle Thread (In./TPI) 3/8"-24
  • Chuck Size (In.) 3/8
  • Free Speed (RPM) 1,800
  • Horse Power (HP) 0.5
  • Air Inlet (NPT/In.) 1/4
  • Air Hose (ID/In.) 3/8
  • Air Pressure (PSI) 90
  • Air Consumption (CFM) 4
  • Sound Pressure (db) (A) 85
  • Sound Power (db) (A) 101
  • Vibration Value (m/s²) 0.4
  • Overall Length (In.) 7-5/8
  • Weight (Lbs.) 2.56

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.ClassificationSpindle Thread (In./TPI)Chuck Size (In.)Free Speed (RPM)Horse Power (HP)Purchase
Stock No.505621Model No.JAT-621ClassificationR 12Spindle Thread (In./TPI)3/8"-24Chuck Size (In.)1/2Free Speed (RPM)800Horse Power (HP)0.5Buy Now >> 505620
Stock No.505620Model No.JAT-620ClassificationR 12Spindle Thread (In./TPI)3/8"-24Chuck Size (In.)3/8Free Speed (RPM)1,800Horse Power (HP)0.5Buy Now >> 505630
Stock No.505630Model No.JAT-630ClassificationR 12Spindle Thread (In./TPI)3/8"-24Chuck Size (In.)3/8Free Speed (RPM)1,200Horse Power (HP)0.5Buy Now >> 505630

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