JAT-310, 1/4" Mini Ratchet

JAT-310, 1/4" Mini Ratchet

Stay Connected
Be the first to know about new products, events and special offers.

JAT-310, 1/4" Mini Ratchet

Stock No.

Product Manual


Download to PDF


Need Help?

Contact An Expert


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.


  • Patented, sealed head prevents dirt from entering the ratchet mechanism extending tool life
  • 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"


  • Classification R 8
  • Square Drive (In.) 1/4
  • Free Speed (RPM) 250
  • Working Torque (Ft.) (Lbs.) 5 - 15
  • Bolt Capacity (In.) 5/16
  • Anvil Retainer Type Ball
  • Air Inlet (NPT/In.) 1/4
  • Air Hose (ID/In.) 3/8
  • Air Pressure (PSI) 90
  • Air Consumption (CFM) 2.8
  • Sound Pressure (db) (A) 92
  • Sound Power (db) (A) 103
  • Vibration Value (m/s²) 1.76
  • Overall Length (In.) 8.1
  • Weight (Lbs.) 1.46

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.ClassificationSquare Drive (In.)Free Speed (RPM)Blows Per Minute (BPM)Working Torque (Ft.) (Lbs.)Purchase
Stock No.505310Model No.JAT-310ClassificationR 8Square Drive (In.)1/4Free Speed (RPM)250Blows Per Minute (BPM)-Working Torque (Ft.) (Lbs.)5 - 15Buy Now >> 505312
Stock No.505312Model No.JAT-312ClassificationR 8Square Drive (In.)3/8Free Speed (RPM)280Blows Per Minute (BPM)-Working Torque (Ft.) (Lbs.)15 - 55Buy Now >> 505313
Stock No.505313Model No.JAT-313ClassificationR 8Square Drive (In.)1/2Free Speed (RPM)280Blows Per Minute (BPM)-Working Torque (Ft.) (Lbs.)15 - 55Buy Now >> 505313