JET JAT-127 3/4" Composite Pneumatic Impact Wrench - JT9-505127
The Jet JAT-127 delivers great power, lightweight, and outstanding durability all in a compact and incredibly well balance package. These tools pack 1,400 ft.-lbs. of torque with reduced vibration and exceptional balance to give the user the control they want without losing the power they need to get the job done. This tool is great for large fastener breakdowns and fastening, general maintenance and general truck repair.
JET warrants every product they sell against manufacturer's defects. All JET Air Tools carry a 2-Year Warranty from date of purchase. Warranties are subject to JET's terms and conditions.
Features
- One-handed operation ensures convenience and control in tight spaces
- Great balance reduces wrist and hand fatigue for comfortable operation
- Torque regulator switch for quick, easy one-handed operation
- Twin hammer clutch has all the power without all the vibration
Specifications
| Air Consumption |
5.3 CFM |
| Air Inlet Size |
3/8" NPT |
| Air Pressure |
90 PSI |
| Inner Air Hose Diameter |
1/2" |
| Free Speed |
5,300 RPM |
| Blows per Minute (BPM) |
936 BPM |
| Square Drive |
3/4" |
| Working Torque |
240–1,100 ft-lbs |
| Maximum Torque |
1,400 ft-lbs |
| Overall Length |
7.9" (200 mm) |
| Weight |
7.2 lbs (3.27 kg) |
| Sound Power Level |
114 dB(A) |
| Sound Pressure Level |
103 dB(A) |
| Vibration Value |
7.3 m/s² |
What our Experts Think
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Lightweight & Durable: Composite housing reduces weight without sacrificing strength, ideal for all-day use.
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Compact Design: Perfect for tight spaces and overhead applications.
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Balanced Power: Delivers reliable torque suitable for medium-duty automotive and industrial tasks.
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User Comfort: Ergonomic grip minimizes vibration and enhances control.
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Low Maintenance: Engineered for easy upkeep, ensuring longer tool life and less downtime.
Q&A
Q: What applications is the JET JAT-128 designed for?
A: Ideal for automotive repair, assembly, and light to medium industrial fastening tasks.
Q: What is the drive size of the JAT-128?
A: It has a 1-inch drive suitable for versatile use with common socket sizes.
Q: What material is the wrench made from?
A: The JAT-128 features a durable composite housing for lightweight handling and corrosion resistance.
Q: How is the wrench powered?
A: It operates on compressed air (pneumatic) for efficient torque delivery.
Q: What are the ergonomic benefits?
A: Lightweight composite design and balanced grip reduce user fatigue during extended use.
Maintenance Tips
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Lubricate daily with pneumatic tool oil through the air inlet for smooth operation.
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Inspect and replace worn O-rings, seals, and hammer components regularly.
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Clean or replace the air inlet filter to maintain airflow efficiency.
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Drain moisture from the air compressor tank to prevent internal corrosion.
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Use clean, dry, and regulated air within the recommended PSI range.
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Avoid overloading to extend motor and hammer lifespan.
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Tighten all bolts and fasteners periodically to maintain tool stability.
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Store the wrench in a cool, dry place to prevent rust and damage.
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Periodically check the D-handle and composite housing for cracks or wear.
