ZAW-412B3 3/8 Inch Air Wrench – Two Hammer Type, Side Exhaust
The ZAW-412B3 3/8″ Air Wrench is a compact yet powerful pneumatic tool engineered for professional fastening and loosening tasks. Equipped with a two-hammer impact mechanism, it delivers high torque with quick, balanced strikes to maximize efficiency while minimizing vibration. Its side exhaust system directs air away from the work surface and the user’s hand, ensuring cleaner, safer, and more comfortable operation. The 3/8-inch drive size makes it perfect for confined workspaces, while the durable housing and precision trigger control allow for dependable performance in automotive, industrial, and workshop environments.
Application Example
Automotive Servicing: Removing bolts in tight engine bays, brake systems, and suspension setups.
Industrial Maintenance: Quick disassembly and reassembly of machinery in confined spaces.
Assembly Lines: Consistent torque delivery for repetitive fastening jobs.
DIY Garage Projects: Ideal for skilled users needing professional-grade results.
Advantages
Two Hammer Mechanism – High-impact torque with reduced vibration for smoother operation.
Side Exhaust System – Channels exhaust air away from work areas for better visibility and safety.
Compact & Lightweight – Easy handling in tight or overhead positions.
Durable Housing – Withstands daily heavy-duty use without performance loss.
Ergonomic Grip – Reduces operator fatigue during prolonged tasks.
Smooth Trigger Response – Allows precise torque control for delicate components.
Why Choose the ZAW-412B3?
Professional Performance in a Compact Form: Strong torque output without sacrificing maneuverability.
Improved Safety & Cleanliness: Side exhaust prevents dust and debris from blowing toward the operator.
Long-Term Reliability: Built from high-quality materials for consistent daily use.
Enhanced Operator Comfort: Reduced vibration and ergonomic grip make extended work easier.
Versatile Use: Perfect for both workshop professionals and advanced DIY users.
Specification:
- Bolt Size Capacity: M8
- Working Torque: 20(27)ft-lb(Nm)
- MAX. Torque: 26(35)ft-lb(Nm)
- Free Speed: 11000rpm
- Air Consumption:127(4.5)l/min(cfm)
- Overall Length: 7.01(178)inch(mm)
- Air Inlet: 1/4P.T
- Net Weight: 1.1.5(0.68)lb(kg)
- Sound Level: 89db(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

