JACK Lockstitch F4

1-needle lockstitch machine for sewing light and medium materials (also available sub-class H for heavy sewing). Equipped with an energy-saving motor mounted in the head (Direct Drive), which guarantees quiet and reliable operation and lower power consumption. JACK Lockstitch F4 is equipped also in simple to use control panel for speed control, needle positioning and quick return to factory settings. Equipped with built-in LED lamp with choice of light intensity level.

Technical parameters: 

  • Max Sewing speed: 5000 stitches/min
  • Max Stitch Lenght: 5 mm
  • Max Presser Foot Lift: 5 mm by Hand, 13 mm by Foot Pedal (electronic)
Energy Saving
Built-in energy-saving motor that saves up to 71% energy, compared to a clutch motor and intelligent stand-by mode which turns off the machine when inactive.
Control Panel
Easy-to-use control panel with speed control, needle positioning and Reset function to restore factory settings.
Adding Stitches Option
Stitches can be easily added by using a dedicated button.
Available Subclasses
For light and heavy sewing.
Safety Sensor
Sensor that disconnects the machine during service activities, ensuring the operator’s safety.