Heavy-Duty Sewing Machine
Built to handle heavy-weight materials, easily adapting to all types of garments.
Enhanced Performance
Thick-fabric handling capacity improved by 7%, ensuring smooth and reliable sewing through up to 15 layers of denim.
Fortress Electronic Control Box
High adaptability and reliable protection capable of withstanding air electrostatic discharge up to 12,000 V. The wide-range 220V version operates reliably in the range from 110V to 295V.
Convenient Lever
The lightweight and ergonomic design allows for effortless operation with your elbow, freeing both hands to boost efficiency and control.
Safety Switch
Upon startup, the system displays an error message to prevent accidental activation, reducing injury risks and enhancing user safety.
Built-In Bobbin Winder
Winds the bobbin during operation so that a fresh one is always ready the moment the current one runs out.
Jack F6-HL-7 is an energy-saving direct-drive lockstitch sewing machine with a large hook.
Jack F6 is an industrial lockstitch sewing machine designed for high speed, precision, and durability, making it ideal for professional tailors and production workshops. It is equipped with an energy-efficient direct-drive servomotor, an automatic lubrication system, and a low-vibration design ensuring stable and uniform sewing at speeds up to 4,000 rpm across a wide range of fabrics. Additional enhancements include built-in LED workspace lighting, a direct-drive power system, and an automatic thread trimming function.
Technical Specifications
| Model | Jack F6-HL-7 |
| Application | Heavy-Weight |
| Needles | DPX5 18-21# |
| Number of threads | 2 |
| Stitch length (mm) | 7 |
| Presser foot lift (mm) | 5-13 |
| Sewing speed: stitches / min | 3500 |
| Volume (mm) | 645 x 248 x 550 |
| Weight (kg) | 30.0 / 36.5 |
