ZB59MC Air Screwdriver
The ZB59MC Air Screwdriver is a compact, high-speed pneumatic fastening tool designed for precision, reliability, and long-term performance in professional assembly environments. Built with a Mechanical Clutch (MC) drive system, it delivers direct torque transfer for powerful, fast, and consistent tightening, making it ideal for light to medium-duty industrial applications where accuracy and productivity are critical. Engineered with a precision air motor and durable components, the ZB59MC provides smooth torque control, low vibration, and excellent balance for operator comfort. Its robust construction, ergonomic grip, and efficient air consumption make it a dependable tool for assembly lines, electronic production, and general manufacturing operations requiring consistent fastening results.
Key Features
Mechanical Clutch (MC) System – Provides direct and immediate torque delivery for stable, repeatable fastening performance.
High-Speed Air Motor – Enables fast screw-driving cycles and efficient production flow.
Durable Aluminum Alloy Housing – Lightweight yet rugged body ensures reliability under continuous operation.
Ergonomic and Balanced Design – Reduces operator fatigue while improving handling precision.
Low Noise and Vibration – Smooth pneumatic performance enhances comfort and reduces strain in extended use.
Quick Bit Change Mechanism – Allows rapid bit replacement for seamless operation and higher productivity.
Energy-Efficient Pneumatic Circuit – Optimized airflow delivers strong torque with minimal air consumption.
Low-Maintenance Structure – A simplified internal design allows for easy servicing and reduced downtime.
Applications
The ZB59MC Air Screwdriver is suitable for a broad range of assembly and fastening operations, including:
Electronics and appliance manufacturing
Automotive and motorcycle component assembly
Machinery and equipment fabrication
Furniture, cabinet, and enclosure production
OEM and general industrial assembly requiring precise torque control
Performance Advantages
Direct Torque Transmission – Mechanical clutch provides immediate torque output for consistent tightening accuracy.
Increased Productivity – Fast operation speeds reduce cycle time and improve workflow efficiency.
Operator Comfort – Lightweight, balanced design minimizes vibration and supports fatigue-free operation.
Durability and Reliability – Reinforced internal components ensure long service life under continuous use.
Energy Efficiency – Reduced air consumption lowers operational costs and improves overall efficiency.
Stable Operation – Smooth torque delivery enhances fastening precision and repeatability.
Technical Benefits
Adjustable torque range suitable for various assembly tasks.
The forward/reverse switch allows quick directional changes.
Compact and ergonomic design ideal for confined or overhead workspaces.
Integrated air regulator ensures consistent torque under varying pressure conditions.
Designed for manual and semi-automated industrial production systems.
Why Choose ZB59MC
The ZB59MC Air Screwdriver delivers superior fastening control, smooth torque transfer, and long-term dependability in a compact and ergonomic design. Its mechanical clutch system ensures direct torque response for precise, efficient tightening, while its lightweight build provides excellent operator comfort during repetitive tasks. Engineered with our commitment to Power, Precision, and Productivity, the ZB59MC is the ideal solution for manufacturers seeking consistent performance, low maintenance, and high efficiency in demanding industrial environments.

- 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: 1700 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: 5-45 Kgf-cm
- Standard Deviation: ±3 %
- Fastening Capacity/Machine Screw Dia.: M2.8-M5.8
- Fastening Capacity/Tapping Screw Dia.: M2.2-M4.7
| 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 |

