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QL Cordless Impact Wrench - 500N·m Torque | 4000mAh Battery | M18-M24 Rail Bolt Compatible | Efficient Trackside Maintenance
🔧 Product Introduction
The QL Cordless Impact Wrench is designed for professional railway maintenance, delivering consistent torque without the need for air compressors or generators. Its 4000mAh lithium-ion battery supports up to 6 hours of continuous trackside work, making it ideal for remote locations, tunnels, or emergency repairs.
With 500 N·m torque and compatibility with M18 to M24 rail bolts, it efficiently handles joint bars, fishplates, and sleeper fastenings. The brushless motor ensures long-lasting performance and minimal maintenance requirements.
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📊 Technical Specifications
| Parameter | Value | Application Notes |
| Battery Capacity | 4000mAh Li-ion | Up to 6 hours continuous operation; supports 30-35 M24 bolts per charge |
| No-Load Speed | 0-1900 r/min | Variable speed trigger for precise control |
| Impact Frequency | 0-2350 blows/min | Breaks rusted bolts efficiently without thread damage |
| Nominal Voltage | DC 18V (Peak 20.5V) | Compatible with standard 18V battery platforms |
| Max Torque | 500 N·m | Sufficient for M24 high-tensile rail bolts |
| Bolt Range | M18 - M24 | Covers 95% of global rail fastening systems |
| Weight (Tool Only) | 3.8 kg | Ergonomic balance reduces operator fatigue |
| Charging Time | 60-90 mins | Fast-charging compatible (charger sold separately) |
⚡ Performance & Core Technology
The QL Cordless Impact Wrench features a brushless motor for long life and stable output. Its tri-stage impact mechanism delivers 0-2350 impacts per minute, effectively loosening corroded or over-torqued rail bolts.
Integrated electronic torque control ensures bolts are tightened to precise specifications, preventing over-tightening and thread damage. Ideal for both daily maintenance and emergency repairs.
🛤️ Railway Application Scenarios
Joint Bar & Fishplate Replacement - Remove/install M20-M24 bolts quickly without hydraulic tools.- Sleeper Fastening Systems - Compatible with Pandrol, Nabla, and Vossloh clips.
- Turnout & Switch Maintenance - Reach tight spaces inaccessible by power cords or air hoses.
- Emergency Repairs - Immediate deployment after derailments or track damage.
- Tunnel & Urban Track Work - Zero emissions and low noise for confined areas.
🛡️ Safety & Ergonomic Design
Anti-Kickback Technology - Reduces sudden torque spikes for safer operation.- Overload Protection - Motor shuts down if current or temperature exceeds safe limits.
- LED Work Light - Illuminates dark track environments like tunnels.
- Soft-Grip Handle - Minimizes vibration and operator fatigue.
- Battery Lock & Indicator - Prevents accidental detachment; shows charge level clearly.
At 3.8kg, the tool is ergonomically balanced, suitable for extended shifts under harsh conditions.
🤝 Global Support & OEM Customization
2-Year Warranty - Covers motor, gearbox, and electronics.- OEM/ODM Services - Customize voltage, torque curve, sockets, or branding.
- Technical Training - On-site or video tutorials for maintenance crews.
- Spare Parts Guarantee - 10-year availability for key components.
- Multilingual Manuals - English, Spanish, French, Russian, Arabic.
📩 Ready to Upgrade Your Railway Maintenance Toolkit?
Request a formal quotation, a demo unit, or speak with our railway tooling engineers.
© 2025 QL Railway Machinery Co., Ltd. - Professional Manufacturer of Railway Maintenance Tools
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