ZB66MC Air Screwdriver
The ZB66MC Air Screwdriver is a high-performance pneumatic fastening tool engineered for fast, accurate, and durable operation in industrial assembly environments. Equipped with a Mechanical Clutch (MC) drive system, it delivers direct torque transmission for immediate, consistent, and reliable tightening performance — ideal for medium-duty assembly lines where precision and productivity are equally critical. Designed with advanced air motor technology and precision-machined components, the ZB66MC offers smooth torque output, high-speed performance, and minimal vibration. Its lightweight construction, ergonomic grip, and efficient air system provide exceptional operator comfort and long-term reliability under continuous operation.
Key Features
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Mechanical Clutch (MC) System – Provides direct torque transfer for fast, strong, and repeatable fastening results.
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High-Speed Air Motor – Enables rapid screw-driving cycles, increasing overall assembly throughput.
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Durable Aluminum Alloy Housing – Combines lightweight strength with a long service life.
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Ergonomic and Balanced Design – Reduces operator fatigue and enhances handling comfort during extended shifts.
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Low Vibration and Noise – Smooth pneumatic action minimizes recoil and ensures quiet, stable operation.
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Quick Bit Change System – Allows fast and easy bit replacement for efficient workflow and flexible production.
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Energy-Efficient Pneumatic Circuit – Provides powerful torque output with reduced air consumption for cost-effective operation.
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Simple Maintenance – The modular design allows for easy cleaning and servicing, minimizing downtime.
Applications
The ZB66MC Air Screwdriver is ideal for industrial and manufacturing applications requiring high-speed and precise torque performance, including:
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Automotive and motorcycle assembly lines
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Machinery and metal component production
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Appliance and equipment manufacturing
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Furniture, cabinet, and fixture assembly
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General OEM and industrial production environments require firm and consistent fastening torque
Performance Advantages
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Direct Torque Delivery – Mechanical clutch ensures instantaneous torque response for consistent fastening strength.
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Enhanced Productivity – Fast cycle speeds improve throughput and reduce total assembly time.
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Operator Comfort – Balanced, low-vibration design minimizes fatigue during continuous operation.
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Long-Term Reliability – Industrial-grade internal components ensure stable performance and long service life.
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Energy Efficiency – Low air consumption reduces operational cost while maintaining maximum torque output.
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Stable Operation – Smooth torque transfer and clutch engagement prevent over-tightening, ensuring accuracy.
Technical Benefits
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Adjustable torque range suitable for various fastening tasks.
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Forward/reverse control for quick and efficient operation.
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Compact and lightweight design suitable for confined or overhead working positions.
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Built-in air regulator maintains consistent torque output under varying air pressures.
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Designed for both manual and semi-automated assembly line integration.
Why Choose ZB66MC
The ZB66MC Air Screwdriver is the professional’s choice for reliable, efficient, and high-speed fastening. Its mechanical clutch system ensures precise torque transmission, while its robust air motor and ergonomic construction deliver consistent results in every application. Built to meet industrial standards for Power, Precision, and Productivity, the ZB66MC enhances assembly efficiency, operator comfort, and product quality. It is a dependable solution for manufacturers seeking stable performance, low maintenance, and long-term operational reliability in modern production lines.
- Torque fix system
- Wide torque range & low vibration
- Patented clutch mechanism
- Patented high-output motor
- One-hand operation for forward and reverse
Motor Comparison
Patented motor
Traditional motor
Torque schematic diagram
Patented torque control system
Traditional torque control system
Specification:
- Free Speed: 1000 rpm.
- Net Weight: 820 g
- O.A.L: 245 mm
- Dia.: 39 mm
- Air Pressure: 6 Kg/cm3
- Min. air hose bore: 8 mm
- Air Consumption: 0.55 m3/min
- Torque range: 7-65 Kgf-cm
- Standard Deviation: ±3 %
- Fastening Capacity/Machine Screw Dia.: M2.9-M6.4
- Fastening Capacity/Tapping Screw Dia.: M2.6-M5.4
| Model | Free Speed rpm |
Weight g |
O.A.L mm |
Dia. mm |
Air Pressure kg/cm³ |
Min. air hose bore mm |
Air Consumption m³/min |
Torque range kgf-cm |
Standard Deviation % |
Fastening Capacity | |
| Machine Screw Dia. |
Tapping Screw Dia |
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| ZB21MC | 1000 | 520 | 210 | 31 | 6.0 | 5.0 | 0.20 | 0.5-2 | ±3 | M1.0-M2.2 | M1.1-M1.7 |
| ZB31MC | 1000 | 520 | 210 | 31 | 6.0 | 5.0 | 0.20 | 1-8 | ±3 | M1.7-M3.3 | M1.3-M2.7 |
| ZB41MC | 1800 | 520 | 210 | 31 | 6.0 | 5.0 | 0.28 | 3-17 | ±3 | M2.2-M4.2 | M1.7-M3.2 |
| ZB46MC | 2200 | 520 | 210 | 31 | 6.0 | 5.0 | 0.28 | 3-20 | ±3 | M2.2-M4.5 | M1.7-M3.5 |
| ZB49MC | 1800 | 520 | 210 | 31 | 6.0 | 5.0 | 0.28 | 3-25 | ±3 | M2.2-M4.7 | M1.7-M3.8 |
| ZB51MC | 1000 | 520 | 210 | 31 | 6.0 | 5.0 | 0.28 | 5-30 | ±3 | M2.8-M5.0 | M2.3-M4.0 |
| ZB56MC | 800 | 520 | 210 | 31 | 6.0 | 5.0 | 0.3 | 8-40 | ±3 | M3.3-M5.7 | M2.7-M4.4 |
| ZB59MC | 1700 | 820 | 245 | 39 | 6.0 | 8.0 | 0.55 | 5-45 | ±3 | M2.8-M5.8 | M2.2-M4.7 |
| ZB61MC | 1400 | 820 | 245 | 39 | 6.0 | 8.0 | 0.55 | 7-50 | ±3 | M2.9-M6.0 | M2.6-M4.9 |
| ZB66MC | 1000 | 820 | 245 | 39 | 6.0 | 8.0 | 0.55 | 7-65 | ±3 | M2.9-M6.4 | M2.6-M5.4 |
| ZB71MC | 550 | 820 | 245 | 39 | 6.0 | 8.0 | 0.55 | 15-95 | ±3 | M4.1-M7.0 | M3.1-M6.0 |
| ZB76MC | 300 | 840 | 245 | 39 | 6.0 | 8.0 | 0.55 | 30-180 | ±3 | M5.0-M9.3 | M4.0-M7.2 |
| ZB79MC | 250 | 840 | 245 | 39 | 6.0 | 8.0 | 0.55 | 50-280 | ±3 | M6.0-M11.0 | M4.9-M8.7 |
