Jet JAT-313 505313 1/2-Inch Air Ratchet
Jet JAT-313, part number 505313, is an R8 Series pneumatic ratchet with a 1/2-inch square drive. The listed maximum torque is 80 ft-lb and free speed is 280 RPM. Its 1/4-inch NPT air inlet, 3/8-inch-ID hose requirement and 90 PSI operating pressure help determine the air setup it needs. A sealed head and dual-pawl design are listed, with a 10.2-inch overall length for checking access.
Specifications and included details
- 1/2-inch square drive; maximum torque 80 ft-lb; free speed 280 RPM.
- Listed air requirements: 90 PSI, 4 CFM, 1/4-inch NPT inlet and 3/8-inch-ID hose.
- 10.2-inch overall length, sealed head and dual-pawl design.
Before ordering
Verify the compressor's delivered airflow and the hose/inlet specifications, not just tank capacity. Maximum torque is not a precision tightening setting; follow the fastener's torque specification and the tool manual.
Product questions and answers
Does the JAT-313 run on a battery?
No. It is a pneumatic ratchet requiring a suitable compressed-air supply.
What air connection does it use?
The details list a 1/4-inch NPT inlet, a 3/8-inch-ID hose and 90 PSI operating pressure.
Is 80 ft-lb an adjustable torque setting?
It is listed as maximum output, not a calibrated torque-wrench setting. Use the appropriate torque-control tool for final tightening.
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