ZAW-241B 1/2-Inch Air Wrench – Heavy-Duty Two Hammer Pneumatic Impact Wrench with Side Exhaust
The ZAW-241B 1/2-inch air wrench is built for heavy-duty fastening applications where maximum torque, rugged durability, and consistent performance are critical. Featuring a two hammer impact mechanism, this industrial-grade pneumatic wrench delivers fast, powerful impacts to handle the toughest bolts and nuts with ease — making it the go-to choice for automotive repair, truck maintenance, and industrial assembly.
Heavy-Duty Performance
With its 1/2-inch drive size, the ZAW-241B offers exceptional torque output, enabling quick bolt removal and reliable fastening even in high-torque environments. The two hammer design delivers balanced power with minimal vibration, ensuring smooth operation and reduced wear on internal components.
Durable Industrial Construction
The high-strength alloy housing and heat-treated precision parts are designed to withstand continuous daily use in demanding environments. Whether in an auto workshop or a production line, this impact wrench delivers reliable performance job after job.
Efficient Side Exhaust Design
Equipped with a side exhaust system, the ZAW-241B channels air away from the workpiece while minimizing dust and debris disturbance. This design also helps reduce noise and prevents airflow from affecting delicate surfaces.
Practical Work Examples:
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Automotive Repair: Loosening stubborn lug nuts on passenger cars, SUVs, and light trucks during tire changes or brake work.
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Heavy Vehicle Maintenance: Removing rusted suspension bolts on buses or large trucks.
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Industrial Assembly: Fastening large bolts on machinery frames in manufacturing plants.
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Construction Equipment Servicing: Repairing excavators, loaders, and cranes by quickly disassembling heavy-duty components.
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Agricultural Equipment Repair: Working on tractor wheel hubs, plow assemblies, and harvesting machinery.
Technical Specifications:
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Drive Size: 1/2 inch
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Impact Mechanism: Two Hammer
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Exhaust Type: Side exhaust
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Construction: High-strength alloy housing, heat-treated internals
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Application Range: Heavy-duty fastening, automotive, industrial, and maintenance work
Key Benefits:
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High torque output for the toughest bolts and nuts
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Two hammer impact system for balanced power and smooth operation
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Durable industrial build for long-lasting reliability
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Side exhaust design for cleaner, safer operation
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Ergonomic grip to reduce operator fatigue
Specification:
- Bolt Size Capacity: M16~M18
- Working Torque: 236(320)ft-lb(Nm)
- MAX. Torque: 369(500)ft-lb(Nm)
- Free Speed: 4400rpm
- Air Consumption: 283(10)l/min(cfm)
- Overall Length: 13(330)inch(mm)
- Air Inlet: 1/4P.T
- Net Weight: 7.5(3.4)lb(kg)
- Sound Level: 95db(A)
| Model | Bolt Size Capacity |
Working Torque ft-lb(Nm) |
MAX. Torque ft-lb(Nm) |
Free Speed rpm |
Air Consumption l/min(cfm) |
Overall Length inch(mm) |
Air Inlet P.T |
Net Weight lbs(kgs) |
Sound Level db(A) |
| ZAW-412B2 | M8 | 20(27) | 26(35) | 11000 | 127(4.5) | 7.01(178) | 1/4 | 1.5(0.68) | 89 |
| ZAW-412B3 | M8 | 20(27) | 26(35) | 11000 | 127(4.5) | 7.01(178) | 1/4 | 1.5(0.68) | 89 |
| ZAW-417B | M10 | 59(80) | 148(200) | 8000 | 212(7.5) | 8.86(225) | 1/4 | 2.36(1.07) | 90 |
| ZAW-910B1 | M10 | 59(80) | 96(130) | 8000 | 184(6.5) | 9.06(230) | 1/4 | 2.65(1.2) | 80 |
| ZAW-410B | M10 | 59(80) | 148(200) | 8300 | 212(7.5) | 7.48(190) | 1/4 | 2.16(0.98) | 94 |
| ZAW-421B3 | M10~M12 | 66(90) | 177(240) | 8000 | 283(10) | 7.48(190) | 1/4 | 2.34(1.06) | 97 |
| ZAW-211B | M12~M14 | 118(160) | 207(280) | 5500 | 240(8.5) | 10.24(260) | 1/4 | 3.75(1.7) | 85 |
| ZAW-241B | M16~M18 | 236(320) | 369(500) | 4400 | 283(10) | 13(330) | 1/4 | 7.5(3.4) | 95 |
Recommended Gauge Air Pressure: 60~90psi
