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JAT-312, 3/8" Ratchet

High-quality tools designed for daily, 8 hour use in demanding applications and environments, the R8 Series are engineered with additional features for improved power, safety and comfort.
Buy Now >> 505312 Find Dealer >> 505312
  • Patented, sealed head prevents dirt from entering the ratchet mechanism extending tool life
  • Full size ratchets feature a dual pawl ratchet head design for maximum torque output
  • Ergonomically designed grip absorbs vibration and reduces hand fatigue
  • Variable-speed throttle and built-in regulator for precise speed control
  • 360° Rotating air inlet keeps the air hose tangle free for added safety
  • Steel ball retainers for rapid socket changing
  • Performace @ 90 PSI. Air Inlet NPT 1/4". Min Hose Size 3/8"

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ClassificationR 8
Square Drive (In.)3/8
Free Speed (RPM)280
Working Torque (Ft.) (Lbs.)15 - 55
Bolt Capacity (In.)3/8
Anvil Retainer TypeBall
Air Inlet (NPT/In.)1/4
Air Hose (ID/In.)3/8
Air Pressure (PSI)90
Air Consumption (CFM)4
Sound Pressure (db) (A)99
Sound Power (db) (A)110
Vibration Value (m/s²)4.64
Overall Length (In.)10.2
Weight (Lbs.)2.73

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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.)Free Speed (RPM)Blows Per Minute (BPM)Working Torque (Ft.) (Lbs.)Buying Options
505310JAT-310R 81/42505 - 15
Buy Now >> 505310
Find Dealer >> 505310
505312JAT-312R 83/828015 - 55
Buy Now >> 505312
Find Dealer >> 505312
505313JAT-313R 81/228015 - 55
Buy Now >> 505313
Find Dealer >> 505313