ZIW3207J 3/8 inch Super Mini Air Impact Wrench

 

 

The ZIW3207J 3/8 inch Super Mini Air Impact Wrench is a high-torque, ultra-compact pneumatic tool engineered for precision fastening, lightweight handling, and long-lasting durability. Featuring the latest twin hammer impact mechanism, it delivers exceptional torque in a compact body, making it ideal for working in confined areas where power and accessibility are equally important. The ZIW3207J combines a lightweight composite housing, high-efficiency air motor, and precision-balanced design to achieve superior torque performance with minimal vibration and noise. It is the perfect tool for professional technicians and industrial users who require both portability and power in daily assembly, repair, or maintenance operations.

 

 

Key Features

 

 

• Twin Hammer Impact Mechanism – Provides strong, balanced torque output with reduced vibration and improved impact stability.

• Super Compact and Lightweight Design – One of the smallest and most powerful 3/8 inch impact wrenches in its class, ideal for tight or hard-to-reach spaces.

• High Torque Output – Delivers an impressive torque-to-weight ratio for fast and efficient fastening and removal.

• Durable Composite Housing – Lightweight yet robust body construction ensures strength, durability, and comfort for continuous operation.

• Ergonomic Grip and Compact Body – Provides precise control, balance, and fatigue-free operation during long shifts.

• Adjustable Power Regulator – Allows easy torque adjustment for delicate or high-torque applications.

• Durable Aluminum Hammer Case – The reinforced front housing protects the hammer mechanism for a long service life.

• Rear Exhaust System – Directs air away from the operator and work surface for a clean and comfortable work environment.

• Low Noise and Vibration – Designed for smoother, quieter operation, enhancing operator safety and productivity.

• Energy-Efficient Air Motor – Produces high torque with low air consumption, optimizing overall performance and cost efficiency.

 

 

Applications

 

 

The ZIW3207J 3/8 inch Super Mini Air Impact Wrench is ideal for light to medium-duty industrial and automotive applications, including:

 

 

• Automotive repair and service – engine work, chassis assembly, and wheel maintenance

• Motorcycle and minor vehicle maintenance – fastening small and medium bolts with torque precision

• Machinery and equipment assembly – compact workspaces requiring reliable fastening torque

• Electronics and appliance production – component assembly requiring control and stability

• General industrial maintenance and OEM use – an efficient and portable tool for repetitive tightening tasks

 

 

Performance Advantages

 

 

• Compact Power Design – Combines full-sized torque output with a super mini form factor for improved maneuverability.

• Operator Comfort – A lightweight, low-vibration design enables longer operation with reduced fatigue.

• Reliable and Durable – The twin hammer impact system ensures smooth, consistent performance and a long service life.

• High Productivity – Fast impact cycles improve fastening efficiency and reduce cycle time.

• Clean and Safe Operation – Rear exhaust prevents air discharge toward the user or sensitive components.

• Low Maintenance – Simple, robust internal structure minimizes servicing requirements.

 

 

Technical Benefits

 

 

• Drive Size: 3/8 inch square drive

• Mechanism: Twin hammer impact drive

• Torque Range: Suitable for light to medium fastening applications

• Free Speed: High RPM for efficient operation and productivity

• Housing Material: Lightweight composite body with reinforced aluminum hammer case

• Exhaust Type: Rear exhaust for clean and quiet operation

• Direction Control: Forward/reverse switch with torque adjustment regulator

• Recommended Air Pressure: 0.63 MPa (90 psi)

• Maintenance: Use standard pneumatic lubricants to ensure smooth operation and extended service life

 

 

Why Choose ZIW3207J 3/8 inch Super Mini Air Impact Wrench

 

 

The ZIW3207J 3/8-inch Super Mini Air Impact Wrench represents the perfect balance of compact design, torque, and ergonomic performance. Its twin hammer mechanism ensures efficient and reliable torque delivery, while its super mini housing allows technicians to access confined areas without sacrificing power or comfort. Built under our core principles of Power, Precision, and Productivity, the ZIW3207J provides exceptional torque output, low vibration, and long-term reliability — making it the preferred solution for automotive, mechanical, and industrial assembly professionals seeking maximum performance in minimal space.

Features

 

 

• Adjustable 3-stage speed for Forward/Reverse
  
• Most powerful and compact, delivers the best Power-to-Size ratio in this class
  
• Use for heavy automotive and truck repair, construction, or assembly line.
  
• With new twin hammer design and hot forged alloy steel made Hammer cage & Anvil to create more torque and 3 times longer life span than traditional design.

 

 

Specification:

 

 

• Square Drive: 3/8(10) inch(mm)
• Std. Bolt Size: 5/8(16) inch(mm)
• Free Speed: 11000 rpm
• Max. Torque(10 secs): 450(610) ft-lb(Nm)
• Operating Air Pressure: 90(6.2) PSI(bar)
• Avg. Air Cons.: 7(200) cfm(l/min)
• Net Weight: 3(1.37) lbs(kgs)
• Min. Hose Size: 3/8(10) inch(mm)
• Air Inlet Size:1/4 inch-NPT/PT

 

ZIW3207JK-M 3/8″ mini impact kit / w/ 8 pcs metric sockets

ZIW3207JK-E 3/8″ mini impact kit / w/ 8 pcs imperial sockets

• Mini air impact X 1
  
• Oiler X 1
  
• 3″ Extension bar X 1
  
• 8 pcs Metric or SAE Cr-Mo sockets 10, 13, 14, 16, 17, 19, 21, 22mm or 5/16″, 3/8″, 7/16″, 1/2″, 9/16″, 5/8″, 11/16″, 3/4″

 

 

Model	Square Drive inch(mm)	Std. Bolt Size inch(mm)	Free Speed rpm	Max. Torque (10 secs) ft-lb(Nm)	Operating Air Pressure psi(bar)	Avg. Air Cons. cfm(l/min)	Net Weight lbs(kgs)	Min. Hose Size inch(mm)	Air Inlet Size inch-NPT/PT
ZIW4206T	1/2(12.7)	5/8(16)	11000	450(610)	90(6.2)	7(200)	3(1.37)	3/8(10)	1/4
ZIW3206T	3/8(10)	5/8(16)	11000	400(542)	90(6.2)	7(200)	3(1.37)	3/8(10)	1/4
ZIW4207J	1/2(12.7)	5/8(16)	11000	500(678)	90(6.2)	7(200)	3(1.37)	3/8(10)	1/4
ZIW3207J	3/8(10)	5/8(16)	11000	450(610)	90(6.2)	7(200)	3(1.37)	3/8(10)	1/4