The ZB56MC Air Screwdriver is a compact, high-speed pneumatic fastening tool engineered for precision, reliability, and long-term durability in continuous assembly operations. Featuring a Mechanical Clutch (MC) drive system, it delivers direct and consistent torque transmission, ensuring accurate and repeatable tightening performance for light to medium-duty industrial applications. Built with a precision air motor and high-quality internal components, the ZB56MC offers smooth operation, low vibration, and excellent energy efficiency. Its lightweight design and ergonomic handling make it ideal for fast-paced production environments that demand speed, precision, and operator comfort.
Key Features
Mechanical Clutch (MC) System – Provides direct torque transfer for stable and repeatable fastening accuracy.
High-Speed Air Motor – Enables quick screw-driving cycles for improved assembly efficiency and throughput.
Lightweight Aluminum Alloy Housing – Combines strength and durability with ease of handling for long-term operation.
Ergonomic and Balanced Design – Reduces operator fatigue and improves comfort during continuous use.
Low Noise and Vibration – Smooth pneumatic drive system minimizes recoil and enhances operator control.
Quick Bit Change System – Simplifies bit replacement for increased productivity in repetitive applications.
Energy-Efficient Air Circuit – Provides high torque performance with minimal air consumption, thereby lowering operating costs.
Low Maintenance Design – Modular internal structure allows for quick servicing and extended tool life.
Applications
The ZB56MC Air Screwdriver is ideal for precision fastening in industrial and manufacturing environments, including:
Electronics and electrical equipment assembly
Automotive and motorcycle component production
Machinery and appliance manufacturing
Furniture and fixture installation
OEM and general industrial assembly requiring precise torque control
Performance Advantages
Accurate and Consistent Torque Delivery – Mechanical clutch ensures stable torque output and high repeatability.
Enhanced Productivity – Fast cycling and smooth torque transfer shorten assembly time.
Operator Comfort – Balanced body and low vibration reduce fatigue during extended work sessions.
Durability and Reliability – Industrial-grade materials and hardened gears ensure dependable long-term performance.
Cost Efficiency – Low air consumption and minimal maintenance requirements result in reduced overall operating costs.
Smooth and Controlled Operation – The clutch system provides a steady torque response for precision fastening applications.
Technical Benefits
Adjustable torque range suitable for various assembly operations.
Forward/reverse control for fast directional switching.
Compact body ideal for tight or overhead workspaces.
Built-in air regulator maintains consistent torque under varying air pressure conditions.
Designed for integration into manual or semi-automated production systems.
Why Choose ZB56MC
The ZB56MC Air Screwdriver offers the perfect balance of speed, precision, and control, making it an indispensable tool for high-quality fastening in modern assembly lines. Its mechanical clutch system ensures efficient torque delivery and repeatable performance, while its lightweight, ergonomic design enhances comfort and reduces operator fatigue. Engineered under our commitment to Power, Precision, and Productivity, the ZB56MC offers manufacturers a dependable, efficient, and durable fastening solution, ensuring consistent assembly quality and superior production efficiency.
- 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: 800 rpm.
- Net Weight: 520 g
- O.A.L: 210 mm
- Dia.: 31 mm
- Air Pressure: 6 Kg/cm3
- Min. air hose bore: 5 mm
- Air Consumption: 0.3 m3/min
- Torque range: 8-40 Kgf-cm
- Standard Deviation: ±3 %
- Fastening Capacity/Machine Screw Dia.: M3.3-M5.7
- Fastening Capacity/Tapping Screw Dia.: M2.7-M4.4
| 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 | ||||||||||
| 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 |
