Industry-leading High-speed System, 4-6X Efficiency Improvement：

Adopts unique variable-speed clutch planetary gear system (*H high-speed system), delivering 4-6 times the no-load speed of standard FM-D series models, greatly shortening single bolt tightening time.Especially suitable for high-volume, high-frequency assembly lines and batch construction sites, significantly improving production efficiency and reducing labor costs.

Inherits All Intelligent Functions of FM-D Series：

CNC digital control panel, 1Nm precision torque adjustment, 10 groups of preset values for quick switching; built-in bolt torque reference table for easy parameter lookup.Automatic release and return function after tightening; gain adjustment function for convenient torque calibration.Optional angle function (-P models) and Bluetooth/WIFI wireless module (-W/B models), supporting MES system docking and full-process data traceability.

Corded Power Supply, Adaptable to Field Construction：

Supports standard power supply and generator power supply in field environments, robust performance, not affected by voltage fluctuations and long-distance cables.High-efficiency brushless motor, zero maintenance, long service life, stable power output under long-term high-intensity operation.

High Precision Planetary Gear System, Stable & Durable：

High-precision heat-treated planetary gear transmission system, high rigidity, strong load-bearing capacity, ensuring smooth and continuous torque control output.Adopts high-quality industrial-grade components, capable of withstanding harsh construction environments and long-term continuous operation.

Comprehensive Safety & Protection Functions：

Built-in overheating temperature monitoring, voltage monitoring and compensation function, effectively protecting equipment and ensuring stable torque output.User authority hierarchical management (operator/administrator) prevents misoperation; ergonomic gun grip design with safety lock, comfortable and safe to operate.