ZB49MC Air Screwdriver
The ZB49MC Air Screwdriver is a compact, lightweight pneumatic fastening tool designed for precision, efficiency, and reliability in professional assembly environments. Featuring a Mechanical Clutch (MC) drive system, it provides direct torque transmission for fast, accurate, and repeatable screw-tightening performance — ideal for precision assembly lines that demand both speed and control. Built with a high-performance air motor and precision-machined components, the ZB49MC ensures smooth torque delivery, low vibration, and long-lasting durability. Its ergonomic, balanced design makes it comfortable for continuous use, while its efficient air system reduces energy consumption and operational costs.
Key Features
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Mechanical Clutch (MC) System – Provides immediate and stable torque transfer for consistent and repeatable fastening.
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High-Speed Air Motor – Enables rapid screw-driving cycles for increased productivity in high-volume operations.
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Durable Aluminum Alloy Body – Combines strength and light weight for optimal operator control.
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Ergonomic and Balanced Design – Reduces vibration and hand fatigue during extended work periods.
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Low Noise and Smooth Operation – A quiet, low-recoil pneumatic mechanism enhances operator comfort.
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Quick Bit Change Mechanism – Allows fast and efficient bit replacement, minimizing production downtime.
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Energy-Efficient Air Circuit – Delivers powerful torque with minimal air consumption, lowering running costs.
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Low-Maintenance Design – A simplified internal structure ensures easy servicing and extended tool life.
Applications
The ZB49MC Air Screwdriver is ideal for precision fastening and repetitive assembly operations, including:
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Electronics and appliance manufacturing
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Automotive and motorcycle component assembly
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Metal and machinery fabrication
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Furniture, cabinetry, and fixture production
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OEM and industrial assembly requiring consistent torque control
Performance Advantages
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Reliable Torque Accuracy – Mechanical clutch ensures stable, repeatable torque for quality-driven applications.
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High Efficiency – Fast cycle speed improves throughput and reduces total assembly time.
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Operator Comfort – A lightweight, low-vibration design enhances control and reduces operator fatigue.
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Durable Reliability – Hardened gears and internal components withstand continuous industrial use.
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Cost Efficiency – Low air consumption and minimal maintenance lower overall operational expenses.
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Smooth and Stable Operation – Consistent torque transfer enhances screw engagement and precision in fastening.
Technical Benefits
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Adjustable torque range suitable for multiple fastening applications.
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The forward/reverse switch allows for quick directional changes.
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Compact body allows access to tight or overhead working spaces.
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Integrated air regulator ensures consistent torque under varying air pressures.
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Compatible with both manual and semi-automated production systems.
Why Choose ZB49MC
The ZB49MC Air Screwdriver is engineered for professional assembly operations that require a balance of power, accuracy, and comfort. Its mechanical clutch system ensures precise torque delivery, while its lightweight construction and efficient air design make it an excellent choice for long-term, high-frequency use. Reflecting our philosophy of Power, Precision, and Productivity, the ZB49MC enhances both quality and efficiency on modern assembly lines. It is a dependable fastening solution for manufacturers who demand consistency, ergonomic performance, and long-lasting reliability in every production cycle.
- 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: 1800 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: 0.28 m3/min
- Torque range: 3-25 Kgf-cm
- Standard Deviation: ±3 %
- Fastening Capacity/Machine Screw Dia.: M2.2-M4.7
- Fastening Capacity/Tapping Screw Dia.: M1.7-M3.8
| 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 |
