ZP161 1/2 inch Air Ratchet Wrench

 

 

The ZP161 1/2-inch Air Ratchet Wrench is a high-torque pneumatic tool designed for industrial-grade fastening, heavy-duty performance, and long-term reliability. Designed with a precision air motor and reinforced ratchet mechanism, it delivers powerful torque output, smooth operation, and consistent performance under demanding assembly and maintenance conditions. Its robust construction, rear exhaust system, and ergonomic handle design make it ideal for professional mechanics, equipment technicians, and industrial assemblers who require reliable torque and durability. Built for speed and strength, the ZP161 ensures efficient fastening and loosening of bolts, nuts, and fasteners in both production and repair environments.

 

 

Key Features

 

 

• High Torque Output – Provides strong and stable fastening power for heavy-duty applications.

• Durable Ratchet Head Assembly – Precision-machined steel gears and a reinforced drive head ensure long service life and superior reliability.

• High-Speed Operation – Enables fast tightening and loosening of fasteners, increasing productivity on the assembly line or in service operations.

• Ergonomic Handle Design – Offers excellent balance, comfort, and control during extended operation.

• Rear Exhaust System – Directs air away from the operator and workpiece, keeping the workspace clean and preventing air discharge toward sensitive components.

• Low Noise and Vibration – The smooth air motor and precision gear system minimize vibration, improving operator comfort.

• Energy-Efficient Air Motor – Optimized airflow design provides powerful torque output while reducing air consumption.

• Simple Maintenance – Straightforward internal structure allows for quick servicing and reliable long-term use.

 

 

Applications

 

 

The ZP161 Air Ratchet Wrench is ideal for heavy-duty assembly, automotive, and industrial applications, including:

 

 

• Automotive repair and maintenance – removing and tightening bolts in engines, chassis, and suspension systems

• Truck, bus, and equipment assembly – medium to large fasteners in production lines

• Machinery and heavy equipment servicing – industrial assembly and field maintenance tasks

• Metal fabrication and construction – tightening structural fasteners with consistent torque

• OEM production and repair workshops – continuous-duty operation requiring strength and reliability

 

 

Performance Advantages

 

 

• Reliable Torque Delivery – Consistent and repeatable torque output improves assembly accuracy and fastening integrity.

• Operator Safety and Comfort – Rear exhaust design prevents air blowback and minimizes operational fatigue.

• High Productivity – Fast cycle speeds shorten assembly time and enhance overall efficiency.

• Durable and Long-Lasting – Heavy-duty ratchet head and steel components withstand rigorous industrial use.

• Low Maintenance Cost – Simple mechanical structure enables quick servicing and reduces downtime.

• Energy Efficiency – Delivers strong torque performance with minimal air consumption.

 

 

Technical Benefits

 

 

• Drive Size: 1/2 inch square drive

• Torque Range: High torque capacity for heavy-duty applications

• Free Speed: Fast RPM for efficient fastening cycles

• Exhaust Type: Rear exhaust for cleaner and quieter operation

• Direction Control: Forward/reverse lever for quick switching

• Body Design: Rugged aluminum alloy housing for strength and balance

• Recommended Air Pressure: 0.63 MPa (90 psi)

• Maintenance: Use standard pneumatic lubricants for optimal performance and extended service life

 

 

Why Choose ZP161 1/2 inch Air Ratchet Wrench

 

 

The ZP161 1/2 inch Air Ratchet Wrench delivers the perfect combination of power, precision, and endurance for industrial and automotive professionals. Its reinforced ratchet design, smooth torque output, and ergonomic handling make it a dependable tool for demanding environments where torque stability and operator comfort are essential. Manufactured under our guiding principles of Power, Precision, and Productivity, the ZP161 provides unmatched reliability and performance — making it the professional’s choice for high-torque, high-efficiency fastening in heavy-duty industrial applications.

 

 

Specification:

 

 

• Square Drive: 1/2(12.7) 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)

 

ZP161K  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