ZIW1077C 3/4 inch Composite Air Impact Wrench

The ZIW1077C 3/4 inch Composite Air Impact Wrench is a high-torque, lightweight, and durable pneumatic tool engineered for professional assembly, maintenance, and repair operations. Featuring a twin hammer impact mechanism and composite body construction, it delivers powerful and consistent torque with reduced weight, vibration, and operator fatigue. Built with advanced air motor technology, the ZIW1077C ensures efficient energy transfer and exceptional torque performance for tightening and loosening heavy fasteners in demanding industrial environments. Its ergonomic grip design, variable power control, and precision-balanced structure make it an ideal tool for technicians and manufacturers seeking a combination of strength, comfort, and control.

Key Features

• Twin Hammer Impact Mechanism – Provides balanced, high-impact torque output for consistent fastening power.

• High Torque Performance – Capable of handling tough bolting and unbolting applications in industrial and automotive environments.

• Lightweight Composite Housing – Reduces overall tool weight without compromising strength, improving maneuverability and comfort.

• Ergonomic Grip Design – Enhances control and minimizes hand fatigue during extended operation.

• Adjustable Power Regulator – Enables precise torque control for various fastening applications.

• Durable Aluminum Hammer Case – Protects the internal mechanism from impact, extending service life.

• Rear Exhaust System – Directs air away from the operator and work surface for a cleaner and safer workspace.

• Low Noise and Vibration – An engineered damping system provides smooth operation and enhances working comfort.

• Energy-Efficient Air Motor – Delivers powerful torque with low air consumption for economical operation.

Applications

The ZIW1077C 3/4 inch Composite Air Impact Wrench is ideal for medium to heavy-duty industrial applications, including:

• Truck and bus maintenance – wheel nuts, suspension, and frame bolt tightening

• Machinery and equipment assembly – structural fasteners and maintenance work

• Construction and steel fabrication – assembly and disassembly of large bolts and fixtures

• Automotive repair and service – engine and undercarriage fasteners

• Industrial plant maintenance – repair and installation of mechanical and structural components

Performance Advantages

• Powerful and Consistent Torque – Twin hammer mechanism ensures smooth torque transfer and uniform output.

• Lightweight and Balanced – Composite housing reduces overall weight for improved handling and reduced operator strain.

• Durable and Reliable – Reinforced hammer cage and precision-machined components withstand continuous industrial use.

• Enhanced Safety and Comfort – Rear exhaust directs airflow away, minimizing debris and noise exposure.

• High Productivity – Fast impact cycles and easy torque adjustment improve work efficiency.

• Low-Maintenance Design – A simplified internal layout ensures long service intervals and reduced downtime.

Technical Benefits

• Drive Size: 3/4 inch square drive

• Mechanism: Twin hammer impact drive

• Torque Range: Designed for medium to heavy-duty fastening tasks

• Free Speed: High RPM output for quick fastening cycles

• Housing Material: Lightweight composite body with aluminum hammer casing

• Exhaust Type: Rear exhaust for clean and quiet operation

• Direction Control: Forward/reverse switch with multi-step power regulation

• Recommended Air Pressure: 0.63 MPa (90 psi)

• Maintenance: Compatible with standard pneumatic lubricants for maximum performance and durability

Why Choose ZIW1077C 3/4 inch Composite Air Impact Wrench

The ZIW1077C 3/4 inch Composite Air Impact Wrench delivers the perfect combination of high power, lightweight design, and durability for professional industrial and automotive users. Its twin hammer mechanism provides the torque strength required for tough jobs, while the composite housing enhances comfort and reduces fatigue during long work sessions. Designed in accordance with our commitment to Power, Precision, and Productivity, the ZIW1077C sets a new standard in performance and ergonomics. Whether used in fleet maintenance, assembly lines, or construction environments, this tool provides exceptional torque stability, energy efficiency, and long-term reliability, making it the professional’s choice for demanding applications.

• Twin hammer impact mechanism to perform the best torque output, and Special hardened treatment to maintain the best durability.
• Titanium clutch case to reinforce the strength (ZIW1063CT).
• Vane with spring mounted to prevent dead-lock or power loss.
• Special Hardened Cylinder, Front Plate, and Rear Plate to generate the best durability.
• 3 different speed adjustments in the Forward direction, one full speed in the Reverse direction.
• Composite handle to provide the best power-to-weight ratio and prevent uncomfortable usage during temperature changes.
• 360-degree swivel air inlet to prevent the air hose from twisting.

Specification:

• Square Drive: 3/4(19) inch(mm)
• Free Speed: 5500 rpm
• Max. Torque(15 secs): 1,500(2,030) ft-lb(Nm)
• Working torque (5 secs): 1,200(1,630) ft-lb(Nm)
• Avg. Air Cons: 4.9(139) cfm(l/min)
• Net Weight: 8.2(3.7) lbs(kgs)
• Impact mechanism: Twin Hammer