Jack JK-8740

4-Needles 6-Thread Feed-off-arm Interlock Machine


Four Needle Flatlock Feed-off-The-Arm top and bottom cover seam machine.

  • Designed to sew light to medium-weight fabrics such as cotton dress shirts, silks and similar materials.

    Four-needle, six-thread coverstitch machine with free arm (flatlock), direct drive, double-sided edge trimming, fabric scraps extraction (centrifuge) and electromagnetic-type automatic foot lifting device. The mechanism of differential material feeding with the possibility of fine adjustment of the course of the slats. Adjustment of the differential feed ratio can be carried out directly during operation using a lever.

    Designed for overlapping materials when sewing swimwear and sportswear, underwear, T-shirts, sweatshirts, hoodies, etc. Flatlock is excellent for processing difficult fabrics, new highly stretchable materials and fabrics with tight threads.

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Large Operation Space Design

The innovative frame design of the new patent provides a large operating space for sewing, which ismore conducive to the sewing of large items and improves work efficiency and sewing effect.