The FLEX FX1431 is a powerful and compact 24V brushless impact wrench designed for automotive, mechanical, construction, and heavy-duty fastening applications. Engineered with high torque output, advanced control modes, and an ultra-compact body, the FX1431 delivers professional-grade performance while remaining lightweight and easy to handle in tight working spaces. It is ideal for lug nuts, bolts, framing, steel installation, and demanding fastening tasks.
Main Features
Compact & Lightweight Design
Designed for maximum maneuverability in tight spaces while remaining powerful enough for demanding applications. The FX1431 is approximately 38% lighter than the larger FLEX FX1451 model.
High Torque Performance
Produces up to 300 ft-lbs (406Nm) fastening torque and 450 ft-lbs (610Nm) nut-busting torque for removing stubborn bolts and fasteners.
Advanced Brushless Motor
Sensor-free brushless motor delivers improved efficiency, longer runtime, reduced maintenance, and stronger overall performance.
3-Speed Control System
Multiple speed settings provide better control for precision fastening and heavy-duty applications.
Bolt Auto Stop & Removal Modes
Prevents over-tightening, stripping, or breaking bolts during fastening. Bolt Removal Mode automatically stops the tool once the fastener is loosened.
Screw Mode Function
Optimized driving mode for wood fastening applications such as SDS screw installation into timber and LVL materials.
360° LED Light System
Built-in 360° halo LED provides excellent visibility with adjustable brightness settings for dark working environments.
Ergonomic Soft-Grip Handle
Comfortable grip and balanced body design reduce fatigue during extended use.
FLEX 24V Cross Compatibility
Compatible with all FLEX 24V batteries, chargers, and cordless tools.
