ZP163 3/8 inch Air Ratchet Wrench
The ZP163 3/8 inch Air Ratchet Wrench is a high-performance pneumatic tool designed for speed, precision, and durability in professional assembly and maintenance operations. Engineered with a precision air motor and a robust ratchet mechanism, it delivers consistent torque output and fast rotational speed, ensuring superior performance in both industrial and automotive applications. Its compact, lightweight, and ergonomically balanced design makes the ZP163 ideal for work in tight or confined areas where precision and control are critical. The rear exhaust system directs airflow away from the operator, maintaining a cleaner, quieter, and safer working environment. Built for long-term reliability, this air ratchet wrench combines durability, efficiency, and comfort for continuous industrial use.
Key Features
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High Torque Output – Delivers robust and stable torque performance for general assembly and maintenance work.
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High-Speed Operation – Enables quick fastening and loosening of bolts and nuts to increase overall productivity.
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Durable Ratchet Head Assembly – A heavy-duty steel head and gear design ensure a long service life and consistent performance under demanding conditions.
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Compact and Lightweight Design – Ideal for confined or hard-to-reach spaces, providing superior maneuverability and operator comfort.
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Ergonomic Grip and Balanced Body – Reduces hand fatigue during prolonged operation, offering precise control and comfort.
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Rear Exhaust System – Directs air away from the operator and work surface to maintain a clean and safe environment.
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Low Noise and Vibration – The engineered motor and gear system minimizes noise output and reduces operator strain.
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Energy-Efficient Air Motor – Delivers strong torque performance with minimal air consumption, lowering operating costs.
Applications
The ZP163 Air Ratchet Wrench is suitable for a broad range of industrial, automotive, and maintenance tasks, including:
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Automotive repair and assembly – engine, chassis, and component fastening or removal
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Machinery maintenance and service – equipment assembly and field repair
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Metal fabrication and assembly – fastening components in limited spaces
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HVAC, appliance, and fixture installation – precision tightening with easy access in compact areas
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OEM and general production lines – reliable fastening tool for repetitive assembly work
Performance Advantages
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Consistent Torque and Speed – Ensures repeatable fastening results and uniform assembly quality.
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Operator Comfort – Ergonomic design and low vibration enable fatigue-free operation during long shifts.
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Rugged Reliability – Industrial-grade materials and precision machining extend service life and durability.
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High Productivity – Fast rotation speed and smooth torque output reduce overall assembly time.
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Clean and Safe Operation – Rear exhaust prevents air discharge toward the operator and work surface.
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Low Maintenance – Simple internal construction for easy servicing and reliable long-term use.
Technical Benefits
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Drive Size: 3/8 inch square drive
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Maximum Torque: Suitable for general automotive and industrial fastening applications
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Free Speed: High RPM for rapid operation in repetitive tasks
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Exhaust Type: Rear exhaust for clean and quiet air discharge
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Direction Control: Forward/reverse lever for quick operational changes
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Body Design: Compact and ergonomic for access in confined areas
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Recommended Air Pressure: 0.63 MPa (90 psi)
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Maintenance: Compatible with standard pneumatic tool lubricants for smooth, long-lasting performance
Why Choose ZP163 3/8 inch Air Ratchet Wrench
The ZP163 3/8 inch Air Ratchet Wrench delivers the perfect balance of speed, torque, precision, and durability for industrial and professional users. Its rugged ratchet mechanism, ergonomic design, and reliable torque output make it an essential tool for technicians who require efficiency and control in tight working environments. Built under our design philosophy of Power, Precision, and Productivity, the ZP163 provides dependable performance, low noise operation, and long-term reliability—making it the preferred choice for automotive service, machinery maintenance, and light industrial assembly applications.
Specification:
- Square Drive: 3/8(10) inch(mm)
- Std. Bolt Size: 1/4(6.4) inch(mm)
- Free Speed: 175 rpm
- Max. Torque: 50(68) ft-lb(Nm)
- Avg. Air Cons.: 3(85) cfm(l/min)
- Air Inlet Size: 1/4 inch
- Net Weight: 2.6(1.18) lbs(kgs)
- Overall Length: 10-13/32(265) inch(mm)
- Min. Hose Size: 3/8(10) inch(mm)
- Operating Air Pressure: 90(6.2) PSI(kg/cm2)
ZP163K Air Ratchet Wrench Kit

- 1 pc Ratchet wrench
- 7 pcs Sockets
- 1 pc Nipple
- 1 pc Universal Joint
- 1 pc 75mm Extension Bar
- 1 pc Blow Molded Case
| Model | Square Drive inch(mm) |
Std Bolt Size inch(mm) |
Free Speed rpm |
Max. Torque ft-lb(Nm) |
Avg. Air Cons. cfm(l/min) |
Air Inlet Size inch |
Net Weight lbs(kgs) |
Overall Length inch(mm) |
Min Hose Size inch(mm) |
| ZHD-7728 | – | – | 400 | 35(47.5) | 3(85) | 1/4 | 1.06(0.48) | 6-17/64(159) | 3/8(10) |
| ZP161 | 1/2(12.7) | 1/4(6.4) | 175 | 50(68) | 3(85) | 1/4 | 2.6(1.18) | 10-13/32(265) | 3/8(10) |
| ZP163 | 3/8(10) | 1/4(6.4) | 175 | 50(68) | 3(85) | 1/4 | 2.6(1.18) | 10-13/32(265) | 3/8(10) |
| ZP168 | 1/4(6.4) | 1/4(6.4) | 260 | 20(27) | 2.5(70) | 1/4 | 0.99(0.45) | 5-1/4(133) | 1/4(6.4) |
| ZP169 | 3/8(10) | 1/4(6.4) | 260 | 20(27) | 2.5(70) | 1/4 | 0.99(0.45) | 5-1/4(133) | 1/4(6.4) |
Recommended Gauge Air Pressure: 60~90psi



