Jack H6-CZ-4
The Jack H6-CZ-4 is a high-speed, fully automatic single-needle industrial sewing machine, designed for heavy-duty sewing of materials such as leather, vinyl, cushions, bags, and armchairs. Its innovative digital features and 750W direct drive motor make it precise, efficient, and user-friendly.
Key features include:
Direct Drive Motor & Heavy-Duty Top Feed: The integrated 750W motor delivers high penetration force, allowing sewing of up to 8 layers of leather. The digital top feed ensures smooth material handling and consistent stitch quality.
Digital Stitch Adjustment & Pattern Sewing: Stitch length can be set from 0.1 mm using a step motor, with a lock for stitch adjustment. Alternating stitch lengths allow ornamental stitching and precise customization.
Digital Silent Bartack & Half-Stitch Function: Reduced noise for a comfortable working environment, with the option to sew half stitches for accuracy at corners and complex angles.
Automatic Electric Foot Lifter & Short Thread Cutting: Save time and effort with the electric presser foot lifter. The machine automatically trims threads to prevent waste, and initial/final condensed stitches secure seams.
Voice Guide & User Assistance: The built-in voice guide provides instructions and error alerts, helping users quickly resolve issues and optimize sewing performance.
Technical Specifications: Max speed 2,200 SPM, lockstitch, DBX17 needles (sizes 20–23), thread TEX 70/69–140/138, presser foot clearance 16 mm, electric automatic foot lift.
The Jack H6-CZ-4 combines precision, power, and convenience, making it ideal for professional and industrial sewing applications of heavy materials.



























































