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JAT-121, 1/2" Impact Wrench

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.
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  • 1,200 Ft. Lbs Maximum break away torque
  • Composite housing improves balance and reduces weight
  • Patented Twin Hammer impact mechanism improves durability while delivering balanced power
  • Patented, one-hand forward/reverse switch design
  • Four position speed selection and full reverse power
  • 360° Rotating air inlet keeps the air hose tangle free for added safety
  • Performace @ 90 PSI. Air Inlet NPT 1/4". Min Hose Size 3/8"

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ClassificationR 12
Square Drive (In.)1/2
Working Torque (Ft.) (Lbs.)50-550
Max Torque @ 5 Seconds (Ft.) (Lbs.)750
Maximum Break Away Torque (Ft.) (Lbs.)1,200
Free Speed (RPM)8,500
Blows Per Minute (BPM)1,200
Impact Mechanism / Clutch TypeTwin Hammer
Bolt Capacity (In.)3/4
Anvil Retainer TypeRing
Air Inlet (NPT/In.)1/4
Air Hose (ID/In.)3/8
Air Pressure (PSI)90
Air Consumption (CFM)6.7
Sound Pressure (db) (A)95.8
Sound Power (db) (A)107
Vibration Value (m/s²)10.6
Overall Length (In.)7.2
Weight (Lbs.)4.1

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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 & 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. 

Stock NoModel NoClassificationSquare Drive (In.)Working Torque (Ft.) (Lbs.)Max Torque @ 5 Seconds (Ft.) (Lbs.)Max Torque (Ft.) (Lbs.)Buying Options
505120JAT-120R 123/825-230400
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505121JAT-121R 121/250-550750
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505122JAT-122R 121/250-550750
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505124JAT-124R 121/245-140180
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505123JAT-123R 123/4300-1,0001,300
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505200JAT-200R 123/4150-1,2001,600
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505201JAT-201R 121150-1,2002,000
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505202JAT-202R 121150-1,2002,000
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