
JACK F6 HL-7 DIRECT DRIVE HEAVY DUTY NON-TRIM LOCKSTITCH MACHINE
Description / JACK F6 HL-7 DIRECT DRIVE HEAVY DUTY NON-TRIM LOCKSTITCH MACHINE
Jack F6-HL-7
- Power Saving, Direct Drive, Heavy-Weight Large Hook lockstitch Machine.
The Jack F6 is an industrial lockstitch sewing machine engineered for high-speed performance, precision, and long-term durability, making it ideal for professional tailors and manufacturing workshops. It features an energy-efficient direct-drive servo motor, an automatic lubrication system, and a low-vibration design that ensures stable, consistent stitching at speeds of up to 4,000 RPM across a wide range of fabrics. Additional enhancements include an integrated LED work light, a direct-drive power system, and an automatic thread-trimming function.
Heavy Weight Materials
The machine can sew from heavy-weight material, adapting to all types of clothing.

Performance Upgrade
Enhanced thickness handling with a 7% improvement, enabling smooth and reliable sewing of up to 15 layers of denim.

Fortress Electronic Control
High adaptability with robust protection, capable of withstanding electrostatic air discharge up to 12,000V. The wide-voltage 220V version operates reliably across a range of 110V to 295V.

Direct Drive Motor
It’s a compact, all-in-one solution with no safety risks. It operates silently, with no vibrations, thanks to a single-shaft motor design.

Easy Lever
Lightweight and ergonomically designed for effortless operation, allowing it to be pressed with the elbow to free both hands for improved efficiency and control.

Safety Switch
Upon powering on, the system displays an error prompt to prevent accidental operation, reducing the risk of injury and enhancing user safety.

Low Consumption
Power use is nearly zero in standby mode, and significantly lower than other machines during sewing.

Integrated Bobbin Winder
Wind the bobbin while you are working, as soon as it is finished you will have the next one ready.

Technical Specification
| 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 |
More Information
| Part No | JACKF6HL7 |
|---|---|
| Weight (KG) | 67.000000 |
| Manufacturer | Jack |

