Description
The Jet JAT-312 R8 Series 3/8 Inch Ratchet (80 ft-lbs) (505312) is a professional-grade pneumatic ratchet wrench designed for durability and comfort during extended use.
KEY FEATURES AND BENEFITS:
- Durable Design: Built to withstand daily use in tough conditions.
- High Torque: Delivers up to 80 ft-lbs of torque for various fastening tasks.
- Sealed Head: Patented design prevents dirt from entering the mechanism, extending tool life.
- Strong Torque Output: Dual pawl design provides increased torque for stubborn fasteners.
- Comfortable Grip: Ergonomically designed handle reduces hand fatigue during prolonged use.
- Reduced Vibration: Delivers lower vibration levels for improved user comfort.
SPECIFICATIONS:
- Square Drive: 3/8 inch
- Free Speed: 280 RPM
- Bolt Capacity: 3/8 inch
- Anvil Retainer Type: Ball
- Overall Length: 10.2 inches
- Weight: 2.73 pounds
- Air Consumption: 4 CFM
- Vibration Value: 4.6 M/S2
- Noise Level: 110 dB
- Air Inlet: 1/4 inch NPT
- Air Hose (Inner Diameter): 3/8 inch
- Air Pressure: 90 PSI
- Classification: R 8
HOW TO USE:
- Attach Air Hose: Connect a compatible 3/8-inch inner diameter air hose to the 1/4-inch NPT air inlet of the ratchet. Ensure a secure connection and proper air pressure (90 PSI).
- Install Socket: Select the appropriate socket size for the fastener you’re working with. Insert the socket onto the square drive of the ratchet and ensure a snug fit.
- Operate the Ratchet: To tighten a fastener, push the forward/reverse lever on the handle towards the “tighten” position. Squeeze the trigger lever to begin rotation. For loosening, push the lever towards the “loosen” position.
- Adjust Torque (Optional): Some applications may require specific torque settings. Consult your user manual for instructions on adjusting the torque output if your model features this functionality.
- Release Trigger: Once the desired tightness is achieved, release the trigger lever to stop rotation.
BENEFITS OF USING Jet JAT-312 R8 Series 3/8 Inch Ratchet (80 ft-lbs) (505312):
- Increased productivity with efficient fastening and loosening of nuts and bolts.
- Reduced operator fatigue due to ergonomic design and lower vibration levels.
- Durable construction ensures long-lasting performance in demanding environments.
- Ideal for professional technicians, mechanics, and DIY enthusiasts.
FEATURES:
- Patented sealed head prevents dirt infiltration.
- Dual pawl ratchet design provides stronger torque output.
- Ergonomically designed grip absorbs vibration and minimizes hand fatigue.
- Lightweight and compact design for easy maneuverability.





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