W4 SERIES
JACK W4 UT Interlock Flatlock Machine
A series of modern, 3-needle interlock machines with a flat bed, equipped with an energy-saving motor mounted in the head (Direct Drive system), which guarantees quiet and reliable operation and lower power consumption. Machines designed to roll up the pits in blouses and other knitwear, stitching (need a bind), stitching overlock stitching, decorative stitching and many other operations.  The bottom differential transport ensures a high quality stitch, even with very inconvenient Lycra materials. The machine is equpped in LED lighting (with the possibility of 3-level adjustment of light intensity).
Available subclasses:
JACK W4-D-01GB –  interlock machine (standard) without automatic functions
JACK W4-D-02BB – interlock machine in subslass for tape-binding
JACK W4-UT-01GB – interlock machine with automatic functions
Technical parameters:
sewing speed up to 5500 stitches / min
presser foot lift up to 7 mm
standard needle gauges: 5.6 mm or 6.4 mm (optionally – option of another gauges)